CENTERPOINT ENERGY INC CNP Financial Statement Data


2025 Q2

Submissions

Field Row 1
adsh 0001130310-25-000079
cik 1130310
name CENTERPOINT ENERGY INC
sic 4911
countryba US
stprba TX
cityba HOUSTON
zipba 77002
bas1 1111 LOUISIANA ST.
bas2
baph 7132073000
countryma US
stprma TX
cityma HOUSTON
zipma 77002
mas1 1111 LOUISIANA ST.
mas2
countryinc US
stprinc TX
ein 740694415
former RELIANT ENERGY REGCO INC
changed 20001220
afs 1-LAF
wksi 0
fye 1231
form 10-Q
period 20250331
fy 2025
fp Q1
filed 20250424
accepted 2025-04-24 06:02:00.0
prevrpt 0
detail 1
instance cnp-20250331_htm.xml
nciks 3
aciks 1042773 48732

Description
Field Name Field Description
adsh Accession Number. The 20-character string formed from the 18-digit number assigned by the SEC to each EDGAR submission.
cik Central Index Key (CIK). Ten digit number assigned by the SEC to each registrant that submits filings.
name Name of registrant. This corresponds to the name of the legal entity as recorded in EDGAR as of the filing date.
sic Standard Industrial Classification (SIC). Four digit code assigned by the SEC as of the filing date, indicating the registrant’s type of business.
countryba The ISO 3166-1 country of the registrant's business address.
stprba The state or province of the registrant’s business address, if field countryba is US or CA.
cityba The city of the registrant's business address.
zipba The zip code of the registrant’s business address.
bas1 The first line of the street of the registrant’s business address.
bas2 The second line of the street of the registrant’s business address.
baph The phone number of the registrant’s business address.
countryma The ISO 3166-1 country of the registrant's mailing address.
stprma The state or province of the registrant’s mailing address, if field countryma is US or CA.
cityma The city of the registrant's mailing address.
zipma The zip code of the registrant’s mailing address.
mas1 The first line of the street of the registrant’s mailing address.
mas2 The second line of the street of the registrant’s mailing address.
countryinc The ISO 3166-1 country of incorporation for the registrant.
stprinc The state or province of incorporation for the registrant, if countryinc is US or CA.
ein Employee Identification Number, 9 digit identification number assigned by the Internal Revenue Service to business entities operating in the United States.
former Most recent former name of the registrant, if any.
changed Date of change from the former name, if any.
afs Filer status with the SEC at the time of submission:
1-LAF=Large Accelerated, 2-ACC=Accelerated, 3-SRA=Smaller Reporting Accelerated, 4-NON=Non-Accelerated, 5-SML=Smaller Reporting Filer, NULL=not assigned.
wksi Well Known Seasoned Issuer (WKSI). An issuer that meets specific SEC requirements at some point during a 60-day period preceding the date the issuer satisfies its obligation to update its shelf registration statement.
fye Fiscal Year End Date, rounded to nearest month-end.
form The submission type of the registrant’s filing.
period Balance Sheet Date, rounded to nearest month-end.
fy Fiscal Year Focus (as defined in the EDGAR XBRL Guide Ch. 3.1.8).
fp Fiscal Period Focus (as defined in the EDGAR XBRL Guide Ch. 3.1.8) within Fiscal Year.
filed The date of the registrant’s filing with the Commission.
accepted The acceptance date and time of the registrant’s filing with the Commission.
prevrpt Previous Report – TRUE indicates that the submission information was subsequently amended.
detail TRUE indicates that the XBRL submission contains quantitative disclosures within the footnotes and schedules at the required detail level (e.g., each amount).
instance The name of the submitted XBRL Instance Document. The name often begins with the company ticker symbol.
nciks Number of Central Index Keys (CIK) of registrants (i.e., business units) included in the consolidating entity’s submitted filing.
aciks Additional CIKs of co-registrants included in a consolidating entity’s EDGAR submission, separated by spaces. If there are no other co-registrants (i.e., nciks=1), the value of aciks is NULL. For a very small number of filers, the entire list of co-registrants is too long to fit in the field. Where this is the case, users should refer to the complete submission file for all CIK information.

Numbers

adsh ddate tag value uom qtrs version segments coreg footnote
0001130310-25-000079 20241231 Assets 43768000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20250331 Assets 44486000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20250331 Accounts And Notes Payable Current 80000000.0000 USD 0 0001130310-25-000079 Legal Entity= Cerc Corp; Related Party Transactions By Related Party= Affiliated Entity;
0001130310-25-000079 20250331 Accounts And Notes Receivable Current 161000000.0000 USD 0 0001130310-25-000079 Legal Entity= Houston Electric; Related Party Transactions By Related Party= Affiliated Entity;
0001130310-25-000079 20241231 Accounts Receivable Net Current 349000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; Related Party Transactions By Related Party= Nonrelated Party;
0001130310-25-000079 20250331 Accounts Receivable Net Current 506000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; Related Party Transactions By Related Party= Nonrelated Party;
0001130310-25-000079 20250331 Accrued Unbilled Revenues Allowance For Credit Losses Current -1000000.0000 USD 0 0001130310-25-000079
0001130310-25-000079 20250331 Assets 1582000000.0000 USD 0 us-gaap/2024 Business Segments= Corporate And Other; Consolidation Items= Operating Segments;
0001130310-25-000079 20250331 Assets Current 2317000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Assets Noncurrent Other Than Property Plant And Equipment 1383000000.0000 USD 0 0001130310-25-000079 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20241231 Assets Of Disposal Group Including Discontinued Operation Current 1361000000.0000 USD 0 us-gaap/2024 Disposal Group Classification= Disposal Group Held For Sale Or Disposed Of By Sale Not Discontinued Operations; Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations= Louisiana And Mississippi Regulated Natural Gas L D C Businesses;
0001130310-25-000079 20241231 Assets Of Disposal Group Including Discontinued Operation Current 1266000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20240331 Capital Expenditures Incurred But Not Yet Paid 195000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20250331 Capital Expenditures Incurred But Not Yet Paid 334000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20241231 Cash And Cash Equivalents At Carrying Value 21000000.0000 USD 0 us-gaap/2024 Consolidated Entities= Variable Interest Entity Primary Beneficiary;
0001130310-25-000079 20241231 Cash And Cash Equivalents At Carrying Value 2000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20240331 Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents 179000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20241231 Contract With Customer Liability Current 93000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20241231 Contract With Customer Liability Current 81000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20240331 Contribution From Parent 0.0000 USD 1 0001130310-25-000079 Equity Components= Additional Paid In Capital; Legal Entity= Cerc Corp;
0001130310-25-000079 20240331 Cost Of Goods And Services Sold 1000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20241231 Deferred Income Tax Liabilities Net 1502000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Depreciation Depletion And Amortization 6000000.0000 USD 1 us-gaap/2024 Business Segments= Corporate And Other; Consolidation Items= Operating Segments;
0001130310-25-000079 20250331 Depreciation Depletion And Amortization 0.0000 USD 1 us-gaap/2024 Consolidation Items= Intersegment Elimination;
0001130310-25-000079 20250331 Depreciation Depletion And Amortization 179000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Disposal Group Not Discontinued Operation Gain Loss On Disposal -43000000.0000 USD 1 us-gaap/2024 Disposal Group Classification= Disposal Group Held For Sale Or Disposed Of By Sale Not Discontinued Operations; Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations= Louisiana And Mississippi Regulated Natural Gas L D C Businesses;
0001130310-25-000079 20250331 Disposal Group Not Discontinued Operation Gain Loss On Disposal 52000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20240331 Dividends Cash 115000000.0000 USD 1 us-gaap/2024 Equity Components= Retained Earnings; Legal Entity= Cerc Corp;
0001130310-25-000079 20241231 Dividends Payable Current 143000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20240331 Equity Securities Fv Ni Gain Loss 9000000.0000 USD 1 us-gaap/2024 Financial Instrument= A T T Common;
0001130310-25-000079 20250331 Equity Securities Fv Ni Gain Loss 0.0000 USD 1 us-gaap/2024 Financial Instrument= W B D Common;
0001130310-25-000079 20241231 Income Taxes Receivable 121000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20240331 Income Tax Expense Benefit 78000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20240331 Income Tax Expense Benefit 31000000.0000 USD 1 us-gaap/2024 Business Segments= Electric Segment; Consolidation Items= Operating Segments;
0001130310-25-000079 20240331 Income Tax Expense Benefit 25000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20240331 Increase Decrease In Accounts And Other Receivables -51000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Increase Decrease In Income Taxes Receivable -46000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Increase Decrease In Inventories -26000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20240331 Increase Decrease In Other Current Assets And Liabilities Net 224000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20240331 Increase Decrease In Regulatory Assets And Liabilities Current 97000000.0000 USD 1 0001130310-25-000079
0001130310-25-000079 20250331 Interest And Debt Expense And Other Charges 86000000.0000 USD 1 0001130310-25-000079 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20240331 Interest On Transition And System Restoration Bonds 6000000.0000 USD 1 0001130310-25-000079
0001130310-25-000079 20240331 Interest Paid Net 59000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Interest Paid Net 290000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20250331 Interest Paid Net 90000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20241231 Interest Payable Current 82000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20241231 Inventory Raw Materials And Supplies 392000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Inventory Raw Materials And Supplies 366000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20241231 Liabilities And Stockholders Equity 19712000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20241231 Liabilities Other Than Longterm Debt Noncurrent 2490000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Liabilities Other Than Longterm Debt Noncurrent 2483000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20241231 Long Term Debt Noncurrent 8322000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Net Cash Provided By Used In Financing Activities 1053000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20250331 Net Cash Provided By Used In Operating Activities 8000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20240331 Net Income Loss 283000000.0000 USD 1 us-gaap/2024 Business Segments= Natural Gas Segment; Consolidation Items= Operating Segments;
0001130310-25-000079 20240331 Nonoperating Income Expense -46000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Nonoperating Income Expense -78000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20241231 Other Assets Noncurrent 118000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20240331 Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax 3000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20240331 Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent 2000000.0000 USD 1 us-gaap/2024 Equity Components= Accumulated Other Comprehensive Income;
0001130310-25-000079 20240331 Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent -1000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20241231 Other Liabilities Current 525000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20241231 Other Liabilities Current 144000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20241231 Other Liabilities Noncurrent 722000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20240331 Other Nonoperating Income Expense 14000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20240331 Payments To Acquire Property Plant And Equipment 845000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20241231 Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent 63000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Prepaid Expense And Other Assets Current 2000000.0000 USD 0 us-gaap/2024 Consolidated Entities= Variable Interest Entity Primary Beneficiary;
0001130310-25-000079 20250331 Prepaid Expense And Other Assets Current 34000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20240331 Proceeds From Divestiture Of Businesses 0.0000 USD 1 us-gaap/2024
0001130310-25-000079 20250331 Proceeds From Issuance Of Long Term Debt 500000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Proceeds From Payments For Other Financing Activities -2000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20240331 Proceeds From Repayments Of Commercial Paper 157000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20250331 Regulatory Assets Current 155000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Regulatory Assets Current 67000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; Regulatory Asset= February2021 Winter Storm;
0001130310-25-000079 20241231 Regulatory Assets Noncurrent 3108000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20241231 Regulatory Liability Noncurrent 1887000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20241231 Regulatory Liability Noncurrent 861000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Repayments Of Long Term Debt 11000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20241231 Retained Earnings Accumulated Deficit 1571000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20240331 Revenues 1570000000.0000 USD 1 us-gaap/2024 Business Segments= Natural Gas Segment; Consolidation Items= Operating Segments;
0001130310-25-000079 20250331 Revenues 2000000.0000 USD 1 us-gaap/2024 Business Segments= Corporate And Other;
0001130310-25-000079 20250331 Revenues 1852000000.0000 USD 1 us-gaap/2024 Business Segments= Natural Gas Segment;
0001130310-25-000079 20231231 Stockholders Equity -35000000.0000 USD 0 us-gaap/2024 Equity Components= Accumulated Other Comprehensive Income;
0001130310-25-000079 20231231 Stockholders Equity 8604000000.0000 USD 0 us-gaap/2024 Equity Components= Additional Paid In Capital;
0001130310-25-000079 20231231 Stockholders Equity 0.0000 USD 0 us-gaap/2024 Equity Components= Common Stock; Legal Entity= Houston Electric;
0001130310-25-000079 20240331 Stockholders Equity 0.0000 USD 0 us-gaap/2024 Equity Components= Common Stock; Legal Entity= Houston Electric;
0001130310-25-000079 20240331 Stockholders Equity 1783000000.0000 USD 0 us-gaap/2024 Equity Components= Retained Earnings; Legal Entity= Cerc Corp;
0001130310-25-000079 20241231 Stockholders Equity 10666000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20250331 Stockholders Equity -1000000.0000 USD 0 us-gaap/2024 Equity Components= Accumulated Other Comprehensive Income; Legal Entity= Houston Electric;
0001130310-25-000079 20250331 Stockholders Equity 6000000.0000 USD 0 us-gaap/2024 Equity Components= Common Stock;
0001130310-25-000079 20250331 Stockholders Equity 0.0000 USD 0 us-gaap/2024 Equity Components= Common Stock; Legal Entity= Houston Electric;
0001130310-25-000079 20250331 Stockholders Equity 6476000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Stock Issued During Period Value New Issues 0.0000 USD 1 us-gaap/2024 Equity Components= Additional Paid In Capital;
0001130310-25-000079 20240331 Stock Issued During Period Value Share Based Compensation -24000000.0000 USD 1 us-gaap/2024 Equity Components= Additional Paid In Capital;
0001130310-25-000079 20250331 Stock Issued During Period Value Share Based Compensation 0.0000 USD 1 us-gaap/2024 Equity Components= Common Stock;
0001130310-25-000079 20250331 Taxes Excluding Income And Excise Taxes 74000000.0000 USD 1 us-gaap/2024 Business Segments= Natural Gas Segment; Consolidation Items= Operating Segments;
0001130310-25-000079 20241231 Transition And System Restoration Bonds Long Term Debt Non Current 308000000.0000 USD 0 0001130310-25-000079
0001130310-25-000079 20240331 Utilities Operating Expense Gas And Petroleum Purchased 43000000.0000 USD 1 us-gaap/2024 Business Segments= Electric Segment; Consolidation Items= Operating Segments;
0001130310-25-000079 20250331 Utilities Operating Expense Gas And Petroleum Purchased 1007000000.0000 USD 1 us-gaap/2024 Consolidation Items= Operating Segments;
0001130310-25-000079 20250331 Utilities Operating Expense Maintenance Operations And Other Costs And Expenses 265000000.0000 USD 1 us-gaap/2024 Business Segments= Natural Gas Segment; Consolidation Items= Operating Segments;
0001130310-25-000079 20240331 Weighted Average Number Of Diluted Shares Outstanding 633970000.0000 shares 1 us-gaap/2024
0001130310-25-000079 20241231 Accounts Payable Current 1320000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20241231 Accounts And Notes Payable Current 101000000.0000 USD 0 0001130310-25-000079 Legal Entity= Cerc Corp; Related Party Transactions By Related Party= Affiliated Entity;
0001130310-25-000079 20241231 Accounts Payable Current 405000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; Related Party Transactions By Related Party= Nonrelated Party;
0001130310-25-000079 20241231 Accounts Receivable Net Current 307000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; Related Party Transactions By Related Party= Nonrelated Party;
0001130310-25-000079 20250331 Net Cash Provided By Used In Investing Activities -360000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Accrued Unbilled Revenues After Allowance For Credit Losses Current 2000000.0000 USD 0 0001130310-25-000079 Consolidated Entities= Variable Interest Entity Primary Beneficiary;
0001130310-25-000079 20241231 Accumulated Depreciation Depletion And Amortization Property Plant And Equipment 4628000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Accumulated Depreciation Depletion And Amortization Property Plant And Equipment 4724000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20241231 Accumulated Other Comprehensive Income Loss Net Of Tax 17000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Accumulated Other Comprehensive Income Loss Net Of Tax -17000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20250331 Additional Paid In Capital 4519000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20241231 Allowance For Doubtful Accounts Receivable Current 24000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20241231 Assets Noncurrent Other Than Property Plant And Equipment 1325000000.0000 USD 0 0001130310-25-000079 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Assets Noncurrent Other Than Property Plant And Equipment 7250000000.0000 USD 0 0001130310-25-000079
0001130310-25-000079 20241231 Cash And Cash Equivalents At Carrying Value 14000000.0000 USD 0 us-gaap/2024 Consolidated Entities= Variable Interest Entity Primary Beneficiary; Legal Entity= Houston Electric;
0001130310-25-000079 20241231 Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents 14000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents 1259000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20241231 Commitments And Contingencies USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20240331 Common Stock Shares Authorized 1000000000.0000 shares 0 us-gaap/2024
0001130310-25-000079 20241231 Common Stock Shares Outstanding 652000000.0000 shares 0 us-gaap/2024 Equity Components= Common Stock;
0001130310-25-000079 20250331 Common Stock Shares Outstanding 1000.0000 shares 0 us-gaap/2024 Equity Components= Common Stock; Legal Entity= Cerc Corp;
0001130310-25-000079 20250331 Common Stock Value 0.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20240331 Comprehensive Income Loss Net Of Tax Before Preferred Stock Dividends 352000000.0000 USD 1 0001130310-25-000079
0001130310-25-000079 20250331 Contract With Customer Liability Current 94000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20240331 Cost Of Goods And Services Sold 1000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20241231 Deferred Income Tax Liabilities Net 4389000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20241231 Deferred Income Tax Liabilities Net 1370000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Dividends Cash 97000000.0000 USD 1 us-gaap/2024 Equity Components= Retained Earnings; Legal Entity= Cerc Corp;
0001130310-25-000079 20250331 Dividends Cash 90000000.0000 USD 1 us-gaap/2024 Equity Components= Retained Earnings; Legal Entity= Houston Electric;
0001130310-25-000079 20240331 Earnings Per Share Diluted 0.5500 USD 1 us-gaap/2024
0001130310-25-000079 20241231 Energy Related Inventory Natural Gas In Storage 173000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20250331 Gain Loss On Sale Of Business 52000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20240331 Gain Loss On Sale Of Other Assets 0.0000 USD 1 us-gaap/2024
0001130310-25-000079 20240331 Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest 428000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20240331 Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest 41000000.0000 USD 1 us-gaap/2024 Disposal Group Classification= Disposal Group Held For Sale Or Disposed Of By Sale Not Discontinued Operations; Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations= Louisiana And Mississippi Regulated Natural Gas L D C Businesses; Legal Entity= Cerc Corp;
0001130310-25-000079 20250331 Income Taxes Receivable 81000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20240331 Income Tax Expense Benefit -16000000.0000 USD 1 us-gaap/2024 Business Segments= Corporate And Other; Consolidation Items= Operating Segments;
0001130310-25-000079 20250331 Increase Decrease In Accounts And Other Receivables -28000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20240331 Increase Decrease In Accounts Payable -70000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20240331 Increase Decrease In Income Taxes Receivable 110000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20240331 Increase Decrease In Notes Receivable Related Parties -1000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Increase Decrease In Regulatory Assets And Liabilities Current -64000000.0000 USD 1 0001130310-25-000079
0001130310-25-000079 20240331 Increase Decrease In Regulatory Assets And Liabilities Non Current 79000000.0000 USD 1 0001130310-25-000079 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Indexed Debt Securities Gain Loss -79000000.0000 USD 1 0001130310-25-000079
0001130310-25-000079 20250331 Interest Paid Net 90000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Interest Payable Current 235000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20241231 Liabilities And Stockholders Equity 16425000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20241231 Liabilities Current 1741000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Liabilities Current 1443000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20241231 Marketable Securities Current 561000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20250331 Net Cash Provided By Used In Financing Activities -219000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20240331 Net Cash Provided By Used In Operating Activities 538000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20250331 Net Income Loss 297000000.0000 USD 1 us-gaap/2024 Consolidation Items= Operating Segments;
0001130310-25-000079 20250331 Net Income Loss 84000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20240331 Operating Income Loss 190000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Other Assets Noncurrent 221000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20240331 Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax 0.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Other Liabilities Current 345000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20250331 Other Liabilities Current 153000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Other Liabilities Current 121000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20241231 Other Long Term Debt Current 10000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20241231 Other Long Term Debt Noncurrent 20089000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20250331 Other Long Term Debt Noncurrent 20054000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20250331 Other Operating Activities Cash Flow Statement -2000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Payments Of Dividends 90000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20240331 Payments Of Dividends Common Stock 126000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20240331 Payments To Acquire Other Productive Assets 0.0000 USD 1 us-gaap/2024
0001130310-25-000079 20250331 Payments To Acquire Other Productive Assets 357000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20240331 Payments To Acquire Property Plant And Equipment 461000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20241231 Prepaid Expense And Other Assets Current 44000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Proceeds From Contributions From Parent 0.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Proceeds From Divestiture Of Businesses 1219000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20240331 Proceeds From Issuance Of Long Term Debt 398000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20240331 Proceeds From Issuance Of Long Term Debt 398000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Proceeds From Payments For Other Financing Activities -16000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20250331 Proceeds From Repayments Of Commercial Paper -107000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20240331 Proceeds From Repayments Of Other Debt -4000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20250331 Property Plant And Equipment Gross 22256000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20241231 Property Plant And Equipment Net 11406000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20241231 Property Plant And Equipment Net 17122000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Property Plant And Equipment Net 17532000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20240331 Regulated Operating Revenue 2607000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20240331 Regulated Operating Revenue 1500000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20240331 Repayments Of Long Term Debt 22000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20250331 Right Of Use Asset Obtained In Exchange For Operating Lease Liability 35000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20250331 Short Term Borrowings 500000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20240331 Stockholders Equity 4229000000.0000 USD 0 us-gaap/2024 Equity Components= Additional Paid In Capital; Legal Entity= Cerc Corp;
0001130310-25-000079 20240331 Stockholders Equity 6027000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20241231 Stockholders Equity 4519000000.0000 USD 0 us-gaap/2024 Equity Components= Additional Paid In Capital; Legal Entity= Cerc Corp;
0001130310-25-000079 20241231 Stockholders Equity 1732000000.0000 USD 0 us-gaap/2024 Equity Components= Retained Earnings; Legal Entity= Cerc Corp;
0001130310-25-000079 20241231 Stockholders Equity 6268000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Stockholders Equity 10955000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20250331 Stockholders Equity 5589000000.0000 USD 0 us-gaap/2024 Equity Components= Additional Paid In Capital; Legal Entity= Houston Electric;
0001130310-25-000079 20250331 Stockholders Equity 0.0000 USD 0 us-gaap/2024 Equity Components= Common Stock; Legal Entity= Cerc Corp;
0001130310-25-000079 20250331 Stockholders Equity 1869000000.0000 USD 0 us-gaap/2024 Equity Components= Retained Earnings;
0001130310-25-000079 20250331 Stockholders Equity 7153000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20240331 Taxes Excluding Income And Excise Taxes 64000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Taxes Excluding Income And Excise Taxes 154000000.0000 USD 1 us-gaap/2024 Consolidation Items= Operating Segments;
0001130310-25-000079 20250331 Utilities Operating Expense Gas And Petroleum Purchased 0.0000 USD 1 us-gaap/2024 Business Segments= Corporate And Other; Consolidation Items= Operating Segments;
0001130310-25-000079 20240331 Utilities Operating Expense Maintenance Operations And Other Costs And Expenses 709000000.0000 USD 1 us-gaap/2024 Consolidation Items= Operating Segments;
0001130310-25-000079 20240331 Utilities Operating Expense Maintenance Operations And Other Costs And Expenses 226000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Utilities Operating Expense Maintenance Operations And Other Costs And Expenses 0.0000 USD 1 us-gaap/2024 Consolidation Items= Intersegment Elimination;
0001130310-25-000079 20250331 Utilities Operating Expense Maintenance Operations And Other Costs And Expenses 256000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Accounts And Notes Receivable Current 1226000000.0000 USD 0 0001130310-25-000079 Legal Entity= Cerc Corp; Related Party Transactions By Related Party= Affiliated Entity;
0001130310-25-000079 20250331 Accounts Payable Current 518000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; Related Party Transactions By Related Party= Nonrelated Party;
0001130310-25-000079 20241231 Accounts Receivable Net Current 717000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20241231 Accounts Receivable Net Current 2000000.0000 USD 0 us-gaap/2024 Consolidated Entities= Variable Interest Entity Primary Beneficiary;
0001130310-25-000079 20241231 Accumulated Depreciation Depletion And Amortization Property Plant And Equipment 10578000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20250331 Accumulated Depreciation Depletion And Amortization Property Plant And Equipment 4216000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20241231 Additional Paid In Capital 9105000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20250331 Additional Paid In Capital 9097000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20250331 Assets 16244000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20241231 Commitments And Contingencies USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Commitments And Contingencies USD 0 us-gaap/2024
0001130310-25-000079 20241231 Common Stock Shares Authorized 1000000000.0000 shares 0 us-gaap/2024
0001130310-25-000079 20240331 Common Stock Shares Outstanding 633000000.0000 shares 0 us-gaap/2024 Equity Components= Common Stock;
0001130310-25-000079 20250331 Common Stock Value 0.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Comprehensive Income Loss Net Of Tax Before Preferred Stock Dividends 297000000.0000 USD 1 0001130310-25-000079
0001130310-25-000079 20250331 Contract With Customer Liability Current 83000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Contribution From Parent 0.0000 USD 1 0001130310-25-000079 Equity Components= Additional Paid In Capital; Legal Entity= Houston Electric;
0001130310-25-000079 20250331 Deferred Income Tax Expense Benefit 26000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Depreciation Depletion And Amortization 363000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20241231 Goodwill 1461000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Goodwill 3943000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20250331 Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest 405000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest 104000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Income Tax Expense Benefit 25000000.0000 USD 1 us-gaap/2024 Business Segments= Electric Segment; Consolidation Items= Operating Segments;
0001130310-25-000079 20250331 Income Tax Expense Benefit 81000000.0000 USD 1 us-gaap/2024 Consolidation Items= Operating Segments;
0001130310-25-000079 20240331 Increase Decrease In Accounts And Other Receivables -21000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20240331 Increase Decrease In Accounts Receivable Payable Affiliates 15000000.0000 USD 1 0001130310-25-000079 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Increase Decrease In Inventories -82000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Increase Decrease In Notes Receivable Related Parties -209000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Increase Decrease In Other Current Assets And Liabilities Net 244000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20250331 Increase Decrease In Other Noncurrent Assets -78000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20240331 Increase Decrease In Regulatory Assets And Liabilities Current 0.0000 USD 1 0001130310-25-000079 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Increase Decrease In Regulatory Assets And Liabilities Non Current 72000000.0000 USD 1 0001130310-25-000079 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Indexed Debt Current 2000000.0000 USD 0 0001130310-25-000079
0001130310-25-000079 20250331 Indexed Debt Securities Derivative 698000000.0000 USD 0 0001130310-25-000079
0001130310-25-000079 20241231 Liabilities And Stockholders Equity 43768000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20241231 Liabilities Current 4045000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20241231 Liabilities Of Disposal Group Including Discontinued Operation Current 176000000.0000 USD 0 us-gaap/2024 Disposal Group Classification= Disposal Group Held For Sale Or Disposed Of By Sale Not Discontinued Operations; Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations= Louisiana And Mississippi Regulated Natural Gas L D C Businesses;
0001130310-25-000079 20241231 Liabilities Of Disposal Group Including Discontinued Operation Current 176000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Liabilities Of Disposal Group Including Discontinued Operation Current 0.0000 USD 0 us-gaap/2024
0001130310-25-000079 20250331 Liabilities Other Than Longterm Debt Noncurrent 3802000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Marketable Securities Current 640000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20240331 Net Cash Provided By Used In Operating Activities 378000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20240331 Net Income Loss 0.0000 USD 1 us-gaap/2024 Consolidation Items= Intersegment Elimination;
0001130310-25-000079 20240331 Nonoperating Income Expense -188000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20250331 Operating Income Loss 649000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20250331 Operating Income Loss 407000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20240331 Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent 1000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent 0.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Other Comprehensive Income Defined Benefit Plans Tax Portion Attributable To Parent 0.0000 USD 1 us-gaap/2024
0001130310-25-000079 20240331 Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent 2000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20240331 Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent -1000000.0000 USD 1 us-gaap/2024 Equity Components= Accumulated Other Comprehensive Income; Legal Entity= Cerc Corp;
0001130310-25-000079 20250331 Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent 0.0000 USD 1 us-gaap/2024 Equity Components= Accumulated Other Comprehensive Income; Legal Entity= Cerc Corp;
0001130310-25-000079 20241231 Other Liabilities Noncurrent 95000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Other Long Term Debt Current 502000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Other Nonoperating Income Expense 2000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Payments For Proceeds From Other Investing Activities 46000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20240331 Payments Of Debt Issuance Costs 3000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20240331 Payments Of Dividends 115000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20240331 Proceeds From Issuance Of Common Stock 3000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20240331 Proceeds From Payments For Other Financing Activities -2000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Proceeds From Repayments Of Other Debt -3000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20241231 Retained Earnings Accumulated Deficit 1572000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20240331 Revenues 2620000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20240331 Revenues 1049000000.0000 USD 1 us-gaap/2024 Business Segments= Electric Segment; Consolidation Items= Operating Segments;
0001130310-25-000079 20250331 Revenues 2920000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20250331 Revenues 1788000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20241231 Short Term Borrowings 500000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20231231 Stockholders Equity 4229000000.0000 USD 0 us-gaap/2024 Equity Components= Additional Paid In Capital; Legal Entity= Cerc Corp;
0001130310-25-000079 20231231 Stockholders Equity 6000000.0000 USD 0 us-gaap/2024 Equity Components= Common Stock;
0001130310-25-000079 20231231 Stockholders Equity 1364000000.0000 USD 0 us-gaap/2024 Equity Components= Retained Earnings; Legal Entity= Houston Electric;
0001130310-25-000079 20240331 Stockholders Equity -33000000.0000 USD 0 us-gaap/2024 Equity Components= Accumulated Other Comprehensive Income;
0001130310-25-000079 20240331 Stockholders Equity 15000000.0000 USD 0 us-gaap/2024 Equity Components= Accumulated Other Comprehensive Income; Legal Entity= Cerc Corp;
0001130310-25-000079 20241231 Stockholders Equity -17000000.0000 USD 0 us-gaap/2024 Equity Components= Accumulated Other Comprehensive Income;
0001130310-25-000079 20241231 Stockholders Equity 6000000.0000 USD 0 us-gaap/2024 Equity Components= Common Stock;
0001130310-25-000079 20241231 Stockholders Equity 7159000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Stockholders Equity 17000000.0000 USD 0 us-gaap/2024 Equity Components= Accumulated Other Comprehensive Income; Legal Entity= Cerc Corp;
0001130310-25-000079 20250331 Stockholders Equity 1565000000.0000 USD 0 us-gaap/2024 Equity Components= Retained Earnings; Legal Entity= Houston Electric;
0001130310-25-000079 20240331 Taxes Excluding Income And Excise Taxes 0.0000 USD 1 us-gaap/2024 Consolidation Items= Intersegment Elimination;
0001130310-25-000079 20240331 Taxes Excluding Income And Excise Taxes 75000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Taxes Excluding Income And Excise Taxes 73000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Taxes Payable Current 96000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Unbilled Receivables Current 230000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Unbilled Receivables Current 126000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20240331 Unregulated Operating Revenue 12000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20240331 Utilities Operating Expense Gas And Petroleum Purchased 787000000.0000 USD 1 us-gaap/2024 Consolidation Items= Operating Segments;
0001130310-25-000079 20250331 Utilities Operating Expense Gas And Petroleum Purchased 1006000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20250331 Utilities Operating Expense Maintenance Operations And Other Costs And Expenses -2000000.0000 USD 1 us-gaap/2024 Business Segments= Corporate And Other; Consolidation Items= Operating Segments;
0001130310-25-000079 20250331 Utilities Operating Expense Maintenance Operations And Other Costs And Expenses 484000000.0000 USD 1 us-gaap/2024 Business Segments= Electric Segment; Consolidation Items= Operating Segments;
0001130310-25-000079 20250331 Weighted Average Number Of Shares Outstanding Basic 652161000.0000 shares 1 us-gaap/2024
0001130310-25-000079 20250331 Accounts And Notes Payable Current 93000000.0000 USD 0 0001130310-25-000079 Legal Entity= Houston Electric; Related Party Transactions By Related Party= Affiliated Entity;
0001130310-25-000079 20241231 Accounts And Notes Receivable Current 371000000.0000 USD 0 0001130310-25-000079 Legal Entity= Houston Electric; Related Party Transactions By Related Party= Affiliated Entity;
0001130310-25-000079 20250331 Accounts Receivable Net Current 869000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20241231 Accrued Unbilled Revenues Allowance For Credit Losses Current 2000000.0000 USD 0 0001130310-25-000079 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20241231 Allowance For Doubtful Accounts Receivable Current 28000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20241231 Allowance For Doubtful Accounts Receivable Current 2000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20241231 Assets 23936000000.0000 USD 0 us-gaap/2024 Business Segments= Electric Segment; Consolidation Items= Operating Segments;
0001130310-25-000079 20241231 Assets 16425000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20241231 Assets 19712000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Assets 18299000000.0000 USD 0 us-gaap/2024 Business Segments= Natural Gas Segment; Consolidation Items= Operating Segments;
0001130310-25-000079 20241231 Assets Noncurrent Other Than Property Plant And Equipment 7298000000.0000 USD 0 0001130310-25-000079
0001130310-25-000079 20250331 Assets Noncurrent Other Than Property Plant And Equipment 2355000000.0000 USD 0 0001130310-25-000079 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20240331 Capital Expenditures Incurred But Not Yet Paid 59000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Cash And Cash Equivalents At Carrying Value 1000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Cash And Cash Equivalents At Carrying Value 17000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20231231 Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents 1000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents 1000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect -1000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Common Stock Par Or Stated Value Per Share 0.0100 USD 0 us-gaap/2024
0001130310-25-000079 20241231 Common Stock Shares Outstanding 651727276.0000 shares 0 us-gaap/2024
0001130310-25-000079 20240331 Deferred Income Tax Expense Benefit -11000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20240331 Depreciation Depletion And Amortization 127000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Depreciation Depletion And Amortization 142000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Disposal Group Not Discontinued Operation Gain Loss On Disposal 52000000.0000 USD 1 us-gaap/2024 Disposal Group Classification= Disposal Group Held For Sale Or Disposed Of By Sale Not Discontinued Operations; Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations= Louisiana And Mississippi Regulated Natural Gas L D C Businesses; Legal Entity= Cerc Corp;
0001130310-25-000079 20241231 Energy Related Inventory Natural Gas In Storage 137000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Energy Related Inventory Natural Gas In Storage 88000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20241231 Goodwill 3943000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20240331 Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest 324000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20241231 Income Taxes Receivable 46000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Income Tax Expense Benefit -49000000.0000 USD 1 us-gaap/2024 Business Segments= Corporate And Other; Consolidation Items= Operating Segments;
0001130310-25-000079 20250331 Income Tax Expense Benefit 100000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20240331 Increase Decrease In Accounts Payable -81000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20240331 Increase Decrease In Accounts Receivable Payable Affiliates -18000000.0000 USD 1 0001130310-25-000079 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Increase Decrease In Accounts Receivable Payable Affiliates 25000000.0000 USD 1 0001130310-25-000079 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20240331 Increase Decrease In Income Taxes Receivable 36000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Increase Decrease In Income Taxes Receivable -40000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20240331 Increase Decrease In Other Current Assets 53000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Increase Decrease In Other Current Assets 20000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Increase Decrease In Other Current Assets 86000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20240331 Increase Decrease In Other Noncurrent Assets And Liabilities Net -40000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20250331 Increase Decrease In Regulatory Assets And Liabilities Non Current -1000000.0000 USD 1 0001130310-25-000079
0001130310-25-000079 20250331 Increase Decrease In Regulatory Assets And Liabilities Non Current -75000000.0000 USD 1 0001130310-25-000079 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20240331 Interest And Debt Expense And Other Charges 49000000.0000 USD 1 0001130310-25-000079 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Inventory Raw Materials And Supplies 520000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20250331 Liabilities Current 4441000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20241231 Liabilities Of Disposal Group Including Discontinued Operation Current 176000000.0000 USD 0 us-gaap/2024 Disposal Group Classification= Disposal Group Held For Sale Or Disposed Of By Sale Not Discontinued Operations; Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations= Louisiana And Mississippi Regulated Natural Gas L D C Businesses; Legal Entity= Cerc Corp;
0001130310-25-000079 20241231 Liabilities Other Than Longterm Debt Noncurrent 8660000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20241231 Long Term Debt Noncurrent 5174000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20240331 Net Cash Provided By Used In Financing Activities 376000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20240331 Net Cash Provided By Used In Financing Activities 587000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20240331 Net Cash Provided By Used In Investing Activities -795000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Net Cash Provided By Used In Investing Activities -234000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20240331 Net Cash Provided By Used In Operating Activities 241000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Net Cash Provided By Used In Operating Activities 578000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20240331 Net Income Loss 350000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20240331 Net Income Loss 350000000.0000 USD 1 us-gaap/2024 Consolidation Items= Operating Segments;
0001130310-25-000079 20240331 Net Income Loss 99000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Net Income Loss 297000000.0000 USD 1 us-gaap/2024 Equity Components= Retained Earnings;
0001130310-25-000079 20250331 Nonoperating Income Expense -2000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20241231 Other Assets Noncurrent 41000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Other Assets Noncurrent 37000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20240331 Other Comprehensive Income Defined Benefit Plans Tax Portion Attributable To Parent 0.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Other Liabilities Noncurrent 407000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Other Nonoperating Income Expense 8000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Other Operating Activities Cash Flow Statement 0.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20240331 Payments Of Dividends 36000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Payments To Acquire Property Plant And Equipment 603000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20241231 Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent 550000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20241231 Prepaid Expense And Other Assets Current 123000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20241231 Prepaid Expense And Other Assets Current 50000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Proceeds From Divestiture Of Businesses 1219000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20250331 Proceeds From Payments For Other Financing Activities -1000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20240331 Proceeds From Repayments Of Other Debt -4000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20241231 Property Plant And Equipment Gross 42667000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20250331 Property Plant And Equipment Gross 15788000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Property Plant And Equipment Net 11572000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Regulatory Assets Current 168000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20250331 Regulatory Assets Noncurrent 3086000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20250331 Regulatory Liability Noncurrent 1904000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Regulatory Liability Noncurrent 846000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20240331 Repayments Of Long Term Debt 0.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20241231 Retained Earnings Accumulated Deficit 1732000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20240331 Revenues 1000000.0000 USD 1 us-gaap/2024 Business Segments= Corporate And Other; Consolidation Items= Operating Segments;
0001130310-25-000079 20240331 Revenues 1570000000.0000 USD 1 us-gaap/2024 Business Segments= Natural Gas Segment;
0001130310-25-000079 20240331 Revenues 0.0000 USD 1 us-gaap/2024 Consolidation Items= Intersegment Elimination;
0001130310-25-000079 20231231 Stockholders Equity 16000000.0000 USD 0 us-gaap/2024 Equity Components= Accumulated Other Comprehensive Income; Legal Entity= Cerc Corp;
0001130310-25-000079 20231231 Stockholders Equity 1634000000.0000 USD 0 us-gaap/2024 Equity Components= Retained Earnings; Legal Entity= Cerc Corp;
0001130310-25-000079 20240331 Stockholders Equity 9998000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20240331 Stockholders Equity 0.0000 USD 0 us-gaap/2024 Equity Components= Accumulated Other Comprehensive Income; Legal Entity= Houston Electric;
0001130310-25-000079 20240331 Stockholders Equity 8583000000.0000 USD 0 us-gaap/2024 Equity Components= Additional Paid In Capital;
0001130310-25-000079 20240331 Stockholders Equity 1427000000.0000 USD 0 us-gaap/2024 Equity Components= Retained Earnings; Legal Entity= Houston Electric;
0001130310-25-000079 20240331 Stockholders Equity 6402000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Stock Issued During Period Value Share Based Compensation -8000000.0000 USD 1 us-gaap/2024 Equity Components= Additional Paid In Capital;
0001130310-25-000079 20240331 Taxes Excluding Income And Excise Taxes 144000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20240331 Taxes Excluding Income And Excise Taxes 1000000.0000 USD 1 us-gaap/2024 Business Segments= Corporate And Other; Consolidation Items= Operating Segments;
0001130310-25-000079 20241231 Unbilled Receivables Current 521000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20241231 Unbilled Receivables Current 338000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Unbilled Receivables Current 403000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20240331 Utilities Operating Expense Gas And Petroleum Purchased 787000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20240331 Utilities Operating Expense Gas And Petroleum Purchased 744000000.0000 USD 1 us-gaap/2024 Business Segments= Natural Gas Segment; Consolidation Items= Operating Segments;
0001130310-25-000079 20250331 Accounts Payable Current 376000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; Related Party Transactions By Related Party= Nonrelated Party;
0001130310-25-000079 20241231 Accrued Unbilled Revenues After Allowance For Credit Losses Current 2000000.0000 USD 0 0001130310-25-000079 Consolidated Entities= Variable Interest Entity Primary Beneficiary;
0001130310-25-000079 20231231 Accumulated Other Comprehensive Income Loss Net Of Tax -35000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20231231 Accumulated Other Comprehensive Income Loss Net Of Tax 16000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20241231 Accumulated Other Comprehensive Income Loss Net Of Tax -17000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20250331 Accumulated Other Comprehensive Income Loss Net Of Tax -1000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Assets 19898000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20241231 Assets Current 1265000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Assets Current 983000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20240331 Capital Expenditures Incurred But Not Yet Paid 149000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Cash And Cash Equivalents At Carrying Value 29000000.0000 USD 0 us-gaap/2024 Consolidated Entities= Variable Interest Entity Primary Beneficiary;
0001130310-25-000079 20231231 Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents 109000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20240331 Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect 16000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect 1229000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20241231 Commitments And Contingencies USD 0 us-gaap/2024
0001130310-25-000079 20241231 Common Stock Par Or Stated Value Per Share 0.0100 USD 0 us-gaap/2024
0001130310-25-000079 20231231 Common Stock Shares Outstanding 1000.0000 shares 0 us-gaap/2024 Equity Components= Common Stock; Legal Entity= Cerc Corp;
0001130310-25-000079 20231231 Common Stock Shares Outstanding 1000.0000 shares 0 us-gaap/2024 Equity Components= Common Stock; Legal Entity= Houston Electric;
0001130310-25-000079 20240331 Common Stock Shares Outstanding 1000.0000 shares 0 us-gaap/2024 Equity Components= Common Stock; Legal Entity= Houston Electric;
0001130310-25-000079 20250331 Common Stock Shares Outstanding 1000.0000 shares 0 us-gaap/2024 Equity Components= Common Stock; Legal Entity= Houston Electric;
0001130310-25-000079 20250331 Common Stock Value 6000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20250331 Contribution From Parent 0.0000 USD 1 0001130310-25-000079 Equity Components= Additional Paid In Capital; Legal Entity= Cerc Corp;
0001130310-25-000079 20250331 Cost Of Goods And Services Sold 1000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20240331 Costs And Expenses 2004000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20240331 Costs And Expenses 711000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Costs And Expenses 2271000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20250331 Costs And Expenses 1381000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Costs And Expenses 702000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20240331 Deferred Income Tax Expense Benefit 193000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20240331 Depreciation Depletion And Amortization 5000000.0000 USD 1 us-gaap/2024 Business Segments= Corporate And Other; Consolidation Items= Operating Segments;
0001130310-25-000079 20240331 Depreciation Depletion And Amortization 0.0000 USD 1 us-gaap/2024 Consolidation Items= Intersegment Elimination;
0001130310-25-000079 20240331 Depreciation Depletion And Amortization 363000000.0000 USD 1 us-gaap/2024 Consolidation Items= Operating Segments;
0001130310-25-000079 20250331 Depreciation Depletion And Amortization 363000000.0000 USD 1 us-gaap/2024 Consolidation Items= Operating Segments;
0001130310-25-000079 20240331 Disposal Group Not Discontinued Operation Gain Loss On Disposal 0.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Energy Related Inventory Natural Gas In Storage 57000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Equity Securities Fv Ni Gain Loss 79000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20250331 Gain Loss On Sale Of Other Assets -43000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20240331 Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest 124000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest 378000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20240331 Income Taxes Paid Net -12000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20240331 Income Tax Expense Benefit 63000000.0000 USD 1 us-gaap/2024 Business Segments= Natural Gas Segment; Consolidation Items= Operating Segments;
0001130310-25-000079 20240331 Income Tax Expense Benefit 0.0000 USD 1 us-gaap/2024 Consolidation Items= Intersegment Elimination;
0001130310-25-000079 20250331 Income Tax Expense Benefit 105000000.0000 USD 1 us-gaap/2024 Business Segments= Natural Gas Segment; Consolidation Items= Operating Segments;
0001130310-25-000079 20250331 Income Tax Expense Benefit 0.0000 USD 1 us-gaap/2024 Consolidation Items= Intersegment Elimination;
0001130310-25-000079 20250331 Increase Decrease In Accounts Receivable Payable Affiliates 19000000.0000 USD 1 0001130310-25-000079 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20240331 Increase Decrease In Income Taxes Receivable -33000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20240331 Increase Decrease In Inventories 1000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Increase Decrease In Inventories -110000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20250331 Increase Decrease In Notes Receivable Related Parties 1222000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20240331 Increase Decrease In Regulatory Assets And Liabilities Current 94000000.0000 USD 1 0001130310-25-000079 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Increase Decrease In Regulatory Assets And Liabilities Current 2000000.0000 USD 1 0001130310-25-000079 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Interest And Debt Expense And Other Charges 56000000.0000 USD 1 0001130310-25-000079 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Interest On Transition And System Restoration Bonds 4000000.0000 USD 1 0001130310-25-000079
0001130310-25-000079 20250331 Inventory Raw Materials And Supplies 108000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Liabilities Of Disposal Group Including Discontinued Operation Current 0.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20241231 Long Term Debt Noncurrent 20397000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20250331 Long Term Debt Noncurrent 20362000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20250331 Long Term Debt Noncurrent 4566000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Long Term Debt Noncurrent 8819000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20240331 Net Cash Provided By Used In Investing Activities -844000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20240331 Net Cash Provided By Used In Investing Activities -289000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20240331 Net Income Loss 264000000.0000 USD 1 us-gaap/2024 Equity Components= Retained Earnings; Legal Entity= Cerc Corp;
0001130310-25-000079 20250331 Nonoperating Income Expense -271000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20250331 Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax 0.0000 USD 1 us-gaap/2024
0001130310-25-000079 20240331 Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification Tax 0.0000 USD 1 us-gaap/2024
0001130310-25-000079 20241231 Other Long Term Debt Current 51000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20250331 Other Nonoperating Income Expense 10000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20240331 Other Operating Activities Cash Flow Statement -20000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20240331 Payments For Proceeds From Other Investing Activities -1000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20240331 Payments For Proceeds From Other Investing Activities -1000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Payments For Proceeds From Other Investing Activities 15000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20240331 Proceeds From Contributions From Parent 230000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20240331 Proceeds From Divestiture Of Businesses 0.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20240331 Proceeds From Payments For Other Financing Activities -2000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20240331 Proceeds From Repayments Of Commercial Paper 48000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Regulatory Assets Current 67000000.0000 USD 0 us-gaap/2024 Regulatory Asset= February2021 Winter Storm;
0001130310-25-000079 20250331 Regulatory Assets Noncurrent 309000000.0000 USD 0 us-gaap/2024 Consolidated Entities= Variable Interest Entity Primary Beneficiary;
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0001130310-25-000079 20240331 Revenues 1000000.0000 USD 1 us-gaap/2024 Business Segments= Corporate And Other;
0001130310-25-000079 20240331 Revenues 901000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Revenues 1852000000.0000 USD 1 us-gaap/2024 Business Segments= Natural Gas Segment; Consolidation Items= Operating Segments;
0001130310-25-000079 20250331 Revenues 884000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20231231 Stockholders Equity 1092000000.0000 USD 0 us-gaap/2024 Equity Components= Retained Earnings;
0001130310-25-000079 20240331 Stockholders Equity 6000000.0000 USD 0 us-gaap/2024 Equity Components= Common Stock;
0001130310-25-000079 20241231 Stockholders Equity 5589000000.0000 USD 0 us-gaap/2024 Equity Components= Additional Paid In Capital; Legal Entity= Houston Electric;
0001130310-25-000079 20240331 Stock Issued During Period Value Share Based Compensation 0.0000 USD 1 us-gaap/2024 Equity Components= Common Stock;
0001130310-25-000079 20240331 Taxes Excluding Income And Excise Taxes 78000000.0000 USD 1 us-gaap/2024 Business Segments= Electric Segment; Consolidation Items= Operating Segments;
0001130310-25-000079 20250331 Taxes Excluding Income And Excise Taxes 78000000.0000 USD 1 us-gaap/2024 Business Segments= Electric Segment; Consolidation Items= Operating Segments;
0001130310-25-000079 20241231 Taxes Payable Current 329000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20250331 Taxes Payable Current 159000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20241231 Transition And System Restoration Bonds Long Term Debt Current 13000000.0000 USD 0 0001130310-25-000079
0001130310-25-000079 20241231 Unbilled Receivables Current 137000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Utilities Operating Expense Gas And Petroleum Purchased 74000000.0000 USD 1 us-gaap/2024 Business Segments= Electric Segment; Consolidation Items= Operating Segments;
0001130310-25-000079 20250331 Utilities Operating Expense Gas And Petroleum Purchased -1000000.0000 USD 1 us-gaap/2024 Consolidation Items= Intersegment Elimination;
0001130310-25-000079 20250331 Utilities Operating Expense Maintenance Operations And Other Costs And Expenses 448000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Weighted Average Number Of Diluted Shares Outstanding 653319000.0000 shares 1 us-gaap/2024
0001130310-25-000079 20241231 Accounts And Notes Payable Current 119000000.0000 USD 0 0001130310-25-000079 Legal Entity= Houston Electric; Related Party Transactions By Related Party= Affiliated Entity;
0001130310-25-000079 20250331 Accounts Payable Current 1042000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20250331 Accounts Receivable Net Current 290000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; Related Party Transactions By Related Party= Nonrelated Party;
0001130310-25-000079 20241231 Accrued Unbilled Revenues Allowance For Credit Losses Current 2000000.0000 USD 0 0001130310-25-000079
0001130310-25-000079 20240331 Accumulated Other Comprehensive Income Loss Net Of Tax -33000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20241231 Additional Paid In Capital 5589000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20241231 Assets 1249000000.0000 USD 0 us-gaap/2024 Business Segments= Corporate And Other; Consolidation Items= Operating Segments;
0001130310-25-000079 20241231 Assets Current 2537000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20241231 Assets Noncurrent Other Than Property Plant And Equipment 2482000000.0000 USD 0 0001130310-25-000079 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20241231 Assets Of Disposal Group Including Discontinued Operation Current 1266000000.0000 USD 0 us-gaap/2024 Disposal Group Classification= Disposal Group Held For Sale Or Disposed Of By Sale Not Discontinued Operations; Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations= Louisiana And Mississippi Regulated Natural Gas L D C Businesses; Legal Entity= Cerc Corp;
0001130310-25-000079 20250331 Assets Of Disposal Group Including Discontinued Operation Current 0.0000 USD 0 us-gaap/2024
0001130310-25-000079 20250331 Capital Expenditures Incurred But Not Yet Paid 80000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Capital Expenditures Incurred But Not Yet Paid 286000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Cash And Cash Equivalents At Carrying Value 14000000.0000 USD 0 us-gaap/2024 Consolidated Entities= Variable Interest Entity Primary Beneficiary; Legal Entity= Houston Electric;
0001130310-25-000079 20240331 Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents 17000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20240331 Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect 33000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20240331 Common Stock Par Or Stated Value Per Share 0.0100 USD 0 us-gaap/2024
0001130310-25-000079 20241231 Common Stock Shares Outstanding 1000.0000 shares 0 us-gaap/2024 Equity Components= Common Stock; Legal Entity= Cerc Corp;
0001130310-25-000079 20241231 Common Stock Shares Outstanding 1000.0000 shares 0 us-gaap/2024 Equity Components= Common Stock; Legal Entity= Houston Electric;
0001130310-25-000079 20250331 Common Stock Shares Outstanding 652726754.0000 shares 0 us-gaap/2024
0001130310-25-000079 20241231 Common Stock Value 6000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20240331 Contribution From Parent 230000000.0000 USD 1 0001130310-25-000079 Equity Components= Additional Paid In Capital; Legal Entity= Houston Electric;
0001130310-25-000079 20250331 Deferred Income Tax Expense Benefit 11000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Deferred Income Tax Liabilities Net 4477000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20250331 Deferred Income Tax Liabilities Net 1429000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Deferred Income Tax Liabilities Net 1519000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20240331 Depreciation Depletion And Amortization 226000000.0000 USD 1 us-gaap/2024 Business Segments= Electric Segment; Consolidation Items= Operating Segments;
0001130310-25-000079 20250331 Depreciation Depletion And Amortization 210000000.0000 USD 1 us-gaap/2024 Business Segments= Electric Segment; Consolidation Items= Operating Segments;
0001130310-25-000079 20240331 Earnings Per Share Basic 0.5500 USD 1 us-gaap/2024
0001130310-25-000079 20250331 Earnings Per Share Basic 0.4500 USD 1 us-gaap/2024
0001130310-25-000079 20240331 Equity Securities Fv Ni Gain Loss -85000000.0000 USD 1 us-gaap/2024 Financial Instrument= Charter Common;
0001130310-25-000079 20240331 Equity Securities Fv Ni Gain Loss -7000000.0000 USD 1 us-gaap/2024 Financial Instrument= W B D Common;
0001130310-25-000079 20250331 Equity Securities Fv Ni Gain Loss 56000000.0000 USD 1 us-gaap/2024 Financial Instrument= A T T Common;
0001130310-25-000079 20250331 Gain Loss On Indexed Debt Securities -79000000.0000 USD 1 0001130310-25-000079
0001130310-25-000079 20240331 Gain Loss On Sale Of Business 0.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Goodwill 217000000.0000 USD 0 us-gaap/2024 Disposal Group Classification= Disposal Group Held For Sale Or Disposed Of By Sale Not Discontinued Operations; Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations= Louisiana And Mississippi Regulated Natural Gas L D C Businesses;
0001130310-25-000079 20250331 Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest 48000000.0000 USD 1 us-gaap/2024 Disposal Group Classification= Disposal Group Held For Sale Or Disposed Of By Sale Not Discontinued Operations; Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations= Louisiana And Mississippi Regulated Natural Gas L D C Businesses; Legal Entity= Cerc Corp;
0001130310-25-000079 20250331 Income Tax Expense Benefit 20000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Increase Decrease In Accounts And Other Receivables 139000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20240331 Increase Decrease In Other Noncurrent Assets -12000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Increase Decrease In Regulatory Assets And Liabilities Current -78000000.0000 USD 1 0001130310-25-000079 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20240331 Increase Decrease In Regulatory Assets And Liabilities Non Current -25000000.0000 USD 1 0001130310-25-000079 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20240331 Interest And Debt Expense And Other Charges 76000000.0000 USD 1 0001130310-25-000079 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20240331 Interest Paid Net 228000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20240331 Interest Paid Net 76000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20241231 Interest Payable Current 274000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20241231 Interest Payable Current 108000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20241231 Inventory Raw Materials And Supplies 105000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Liabilities And Stockholders Equity 44486000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20250331 Liabilities And Stockholders Equity 16244000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Liabilities And Stockholders Equity 19898000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20241231 Liabilities Current 1260000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20241231 Liabilities Of Disposal Group Including Discontinued Operation Current 176000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20240331 Net Cash Provided By Used In Financing Activities -73000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Net Cash Provided By Used In Investing Activities -409000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20240331 Net Income Loss -54000000.0000 USD 1 us-gaap/2024 Business Segments= Corporate And Other; Consolidation Items= Operating Segments;
0001130310-25-000079 20240331 Net Income Loss 350000000.0000 USD 1 us-gaap/2024 Equity Components= Retained Earnings;
0001130310-25-000079 20240331 Net Income Loss 99000000.0000 USD 1 us-gaap/2024 Equity Components= Retained Earnings; Legal Entity= Houston Electric;
0001130310-25-000079 20240331 Net Income Loss 264000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Net Income Loss -39000000.0000 USD 1 us-gaap/2024 Business Segments= Corporate And Other; Consolidation Items= Operating Segments;
0001130310-25-000079 20250331 Operating Income Loss 182000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20241231 Other Assets Noncurrent 247000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20250331 Other Comprehensive Income Defined Benefit Plans Tax Portion Attributable To Parent 0.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent 0.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20240331 Other Nonoperating Income Expense 11000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20240331 Payments For Proceeds From Other Investing Activities -13000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Payments For Proceeds From Other Investing Activities 58000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20250331 Payments Of Dividends 97000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Payments To Acquire Property Plant And Equipment 311000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent 62000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20241231 Prepaid Expense And Other Assets Current 2000000.0000 USD 0 us-gaap/2024 Consolidated Entities= Variable Interest Entity Primary Beneficiary;
0001130310-25-000079 20250331 Prepaid Expense And Other Assets Current 23000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20240331 Proceeds From Payments For Other Financing Activities -27000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20250331 Proceeds From Repayments Of Other Debt -3000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20250331 Property Plant And Equipment Net 33100000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20250331 Regulated Operating Revenue 2906000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20241231 Regulatory Assets Current 239000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20250331 Regulatory Assets Noncurrent 829000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Regulatory Assets Noncurrent 1346000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Regulatory Assets Noncurrent 44000000.0000 USD 0 us-gaap/2024 Liability For Catastrophe Claims By Catastrophic Event= February2021 Winter Storm Event;
0001130310-25-000079 20250331 Revenues 1066000000.0000 USD 1 us-gaap/2024 Business Segments= Electric Segment; Consolidation Items= Operating Segments;
0001130310-25-000079 20250331 Revenues 0.0000 USD 1 us-gaap/2024 Consolidation Items= Intersegment Elimination;
0001130310-25-000079 20231231 Stockholders Equity 0.0000 USD 0 us-gaap/2024 Equity Components= Accumulated Other Comprehensive Income; Legal Entity= Houston Electric;
0001130310-25-000079 20240331 Stockholders Equity 4975000000.0000 USD 0 us-gaap/2024 Equity Components= Additional Paid In Capital; Legal Entity= Houston Electric;
0001130310-25-000079 20241231 Stockholders Equity -1000000.0000 USD 0 us-gaap/2024 Equity Components= Accumulated Other Comprehensive Income; Legal Entity= Houston Electric;
0001130310-25-000079 20241231 Stockholders Equity 0.0000 USD 0 us-gaap/2024 Equity Components= Common Stock; Legal Entity= Houston Electric;
0001130310-25-000079 20250331 Stockholders Equity 1940000000.0000 USD 0 us-gaap/2024 Equity Components= Retained Earnings; Legal Entity= Cerc Corp;
0001130310-25-000079 20250331 Stock Issued During Period Shares Share Based Compensation 0.0000 shares 1 us-gaap/2024 Equity Components= Common Stock;
0001130310-25-000079 20240331 Taxes Excluding Income And Excise Taxes 65000000.0000 USD 1 us-gaap/2024 Business Segments= Natural Gas Segment; Consolidation Items= Operating Segments;
0001130310-25-000079 20241231 Taxes Payable Current 189000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Transition And System Restoration Bonds Long Term Debt Non Current 308000000.0000 USD 0 0001130310-25-000079
0001130310-25-000079 20240331 Utilities Operating Expense Gas And Petroleum Purchased 0.0000 USD 1 us-gaap/2024 Consolidation Items= Intersegment Elimination;
0001130310-25-000079 20240331 Utilities Operating Expense Gas And Petroleum Purchased 724000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Utilities Operating Expense Gas And Petroleum Purchased 909000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20240331 Utilities Operating Expense Maintenance Operations And Other Costs And Expenses 475000000.0000 USD 1 us-gaap/2024 Business Segments= Electric Segment; Consolidation Items= Operating Segments;
0001130310-25-000079 20240331 Weighted Average Number Of Shares Outstanding Basic 632228000.0000 shares 1 us-gaap/2024
0001130310-25-000079 20241231 Accounts And Notes Receivable Current 6000000.0000 USD 0 0001130310-25-000079 Legal Entity= Cerc Corp; Related Party Transactions By Related Party= Affiliated Entity;
0001130310-25-000079 20250331 Accumulated Depreciation Depletion And Amortization Property Plant And Equipment 10768000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20241231 Accumulated Other Comprehensive Income Loss Net Of Tax -1000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Accumulated Other Comprehensive Income Loss Net Of Tax 17000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Allowance For Doubtful Accounts Receivable Current 30000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20241231 Assets Of Disposal Group Including Discontinued Operation Current 1361000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20250331 Cash And Cash Equivalents At Carrying Value 1254000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20231231 Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents 89000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20240331 Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents 122000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20241231 Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents 30000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20250331 Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents 17000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect 3000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Commitments And Contingencies USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Commitments And Contingencies USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Common Stock Shares Authorized 1000000000.0000 shares 0 us-gaap/2024
0001130310-25-000079 20240331 Common Stock Shares Outstanding 1000.0000 shares 0 us-gaap/2024 Equity Components= Common Stock; Legal Entity= Cerc Corp;
0001130310-25-000079 20250331 Common Stock Shares Outstanding 652000000.0000 shares 0 us-gaap/2024 Equity Components= Common Stock;
0001130310-25-000079 20241231 Common Stock Value 0.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20241231 Common Stock Value 0.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20240331 Costs And Expenses 1142000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20240331 Deferred Income Tax Expense Benefit 106000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20240331 Depreciation Depletion And Amortization 363000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20240331 Depreciation Depletion And Amortization 132000000.0000 USD 1 us-gaap/2024 Business Segments= Natural Gas Segment; Consolidation Items= Operating Segments;
0001130310-25-000079 20240331 Depreciation Depletion And Amortization 199000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Depreciation Depletion And Amortization 147000000.0000 USD 1 us-gaap/2024 Business Segments= Natural Gas Segment; Consolidation Items= Operating Segments;
0001130310-25-000079 20250331 Earnings Per Share Diluted 0.4500 USD 1 us-gaap/2024
0001130310-25-000079 20240331 Equity Securities Fv Ni Gain Loss -83000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20240331 Gain Loss On Sale Of Business 0.0000 USD 1 us-gaap/2024
0001130310-25-000079 20250331 Income Taxes Receivable 0.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20240331 Income Tax Expense Benefit 60000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20240331 Increase Decrease In Accounts And Other Receivables -72000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20250331 Increase Decrease In Accounts Payable -216000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20250331 Increase Decrease In Accounts Payable -132000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Increase Decrease In Income Taxes Receivable 0.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20240331 Increase Decrease In Notes Receivable Related Parties 335000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Increase Decrease In Other Noncurrent Assets 1000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20241231 Indexed Debt Current 2000000.0000 USD 0 0001130310-25-000079
0001130310-25-000079 20240331 Interest On Transition And System Restoration Bonds 1000000.0000 USD 1 0001130310-25-000079 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Regulatory Assets Noncurrent 44000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; Liability For Catastrophe Claims By Catastrophic Event= February2021 Winter Storm Event;
0001130310-25-000079 20241231 Regulatory Liability Noncurrent 2999000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20250331 Interest On Transition And System Restoration Bonds 0.0000 USD 1 0001130310-25-000079 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Liabilities Current 1400000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20241231 Liabilities Other Than Longterm Debt Noncurrent 3723000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Net Cash Provided By Used In Financing Activities 404000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Net Cash Provided By Used In Operating Activities 410000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20240331 Net Income Loss 121000000.0000 USD 1 us-gaap/2024 Business Segments= Electric Segment; Consolidation Items= Operating Segments;
0001130310-25-000079 20250331 Net Income Loss 297000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20250331 Net Income Loss 108000000.0000 USD 1 us-gaap/2024 Business Segments= Electric Segment; Consolidation Items= Operating Segments;
0001130310-25-000079 20250331 Net Income Loss 228000000.0000 USD 1 us-gaap/2024 Business Segments= Natural Gas Segment; Consolidation Items= Operating Segments;
0001130310-25-000079 20250331 Net Income Loss 0.0000 USD 1 us-gaap/2024 Consolidation Items= Intersegment Elimination;
0001130310-25-000079 20250331 Net Income Loss 84000000.0000 USD 1 us-gaap/2024 Equity Components= Retained Earnings; Legal Entity= Houston Electric;
0001130310-25-000079 20250331 Net Income Loss 305000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20240331 Nonoperating Income Expense -66000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Other Assets Noncurrent 65000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent 0.0000 USD 1 us-gaap/2024
0001130310-25-000079 20250331 Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent 0.0000 USD 1 us-gaap/2024 Equity Components= Accumulated Other Comprehensive Income;
0001130310-25-000079 20241231 Other Liabilities Current 255000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Other Liabilities Noncurrent 759000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20250331 Other Liabilities Noncurrent 87000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Other Long Term Debt Current 1310000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20240331 Other Operating Activities Cash Flow Statement -13000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20240331 Payments Of Debt Issuance Costs 3000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Payments Of Debt Issuance Costs 8000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20250331 Payments Of Debt Issuance Costs 5000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Payments Of Dividends Common Stock 143000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20241231 Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent 32000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20240331 Pension Contributions 2000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20250331 Proceeds From Repayments Of Commercial Paper 569000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20241231 Property Plant And Equipment Gross 15552000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20241231 Property Plant And Equipment Gross 21750000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Property Plant And Equipment Gross 43868000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20241231 Property Plant And Equipment Net 32089000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20241231 Regulatory Assets Noncurrent 313000000.0000 USD 0 us-gaap/2024 Consolidated Entities= Variable Interest Entity Primary Beneficiary;
0001130310-25-000079 20241231 Regulatory Assets Noncurrent 903000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20241231 Regulatory Assets Noncurrent 1284000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Retained Earnings Accumulated Deficit 1869000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20240331 Revenues 1049000000.0000 USD 1 us-gaap/2024 Business Segments= Electric;
0001130310-25-000079 20240331 Right Of Use Asset Obtained In Exchange For Operating Lease Liability 0.0000 USD 1 us-gaap/2024
0001130310-25-000079 20241231 Stockholders Equity 17000000.0000 USD 0 us-gaap/2024 Equity Components= Accumulated Other Comprehensive Income; Legal Entity= Cerc Corp;
0001130310-25-000079 20250331 Stockholders Equity -17000000.0000 USD 0 us-gaap/2024 Equity Components= Accumulated Other Comprehensive Income;
0001130310-25-000079 20240331 Stock Issued During Period Shares Share Based Compensation 2000000.0000 shares 1 us-gaap/2024 Equity Components= Common Stock;
0001130310-25-000079 20240331 Taxes Excluding Income And Excise Taxes 144000000.0000 USD 1 us-gaap/2024 Consolidation Items= Operating Segments;
0001130310-25-000079 20250331 Taxes Excluding Income And Excise Taxes 154000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20250331 Taxes Excluding Income And Excise Taxes 0.0000 USD 1 us-gaap/2024 Consolidation Items= Intersegment Elimination;
0001130310-25-000079 20241231 Taxes Payable Current 150000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Taxes Payable Current 202000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20250331 Transition And System Restoration Bonds Long Term Debt Current 13000000.0000 USD 0 0001130310-25-000079
0001130310-25-000079 20240331 Unregulated Operating Revenue 13000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20250331 Unregulated Operating Revenue 14000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20250331 Unregulated Operating Revenue 12000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20240331 Utilities Operating Expense Gas And Petroleum Purchased 0.0000 USD 1 us-gaap/2024 Business Segments= Corporate And Other; Consolidation Items= Operating Segments;
0001130310-25-000079 20250331 Utilities Operating Expense Gas And Petroleum Purchased 933000000.0000 USD 1 us-gaap/2024 Business Segments= Natural Gas Segment; Consolidation Items= Operating Segments;
0001130310-25-000079 20240331 Utilities Operating Expense Maintenance Operations And Other Costs And Expenses 709000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20240331 Utilities Operating Expense Maintenance Operations And Other Costs And Expenses 437000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Utilities Operating Expense Maintenance Operations And Other Costs And Expenses 747000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20250331 Utilities Operating Expense Maintenance Operations And Other Costs And Expenses 747000000.0000 USD 1 us-gaap/2024 Consolidation Items= Operating Segments;
0001130310-25-000079 20250331 Gain Loss On Sale Of Business -43000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20250331 Equity Securities Fv Ni Gain Loss 23000000.0000 USD 1 us-gaap/2024 Financial Instrument= Charter Common;
0001130310-25-000079 20241231 Accounts Payable Current 681000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; Related Party Transactions By Related Party= Nonrelated Party;
0001130310-25-000079 20250331 Accounts Receivable Net Current 2000000.0000 USD 0 us-gaap/2024 Consolidated Entities= Variable Interest Entity Primary Beneficiary;
0001130310-25-000079 20241231 Accumulated Depreciation Depletion And Amortization Property Plant And Equipment 4146000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20240331 Accumulated Other Comprehensive Income Loss Net Of Tax 15000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20241231 Additional Paid In Capital 4519000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Additional Paid In Capital 5589000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Allowance For Doubtful Accounts Receivable Current 2000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20241231 Assets 18583000000.0000 USD 0 us-gaap/2024 Business Segments= Natural Gas Segment; Consolidation Items= Operating Segments;
0001130310-25-000079 20250331 Assets 24605000000.0000 USD 0 us-gaap/2024 Business Segments= Electric Segment; Consolidation Items= Operating Segments;
0001130310-25-000079 20241231 Assets Current 4381000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20250331 Assets Current 4136000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20250331 Assets Of Disposal Group Including Discontinued Operation Current 0.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20241231 Cash And Cash Equivalents At Carrying Value 24000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20241231 Cash And Cash Equivalents At Carrying Value 14000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20241231 Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents 2000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20240331 Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect 70000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20231231 Common Stock Shares Outstanding 631000000.0000 shares 0 us-gaap/2024 Equity Components= Common Stock;
0001130310-25-000079 20240331 Comprehensive Income Net Of Tax 263000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Comprehensive Income Net Of Tax 305000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Cost Of Goods And Services Sold 1000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Deferred Income Tax Expense Benefit 45000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20240331 Dividends Cash 36000000.0000 USD 1 us-gaap/2024 Equity Components= Retained Earnings; Legal Entity= Houston Electric;
0001130310-25-000079 20250331 Dividends Payable Current 0.0000 USD 0 us-gaap/2024
0001130310-25-000079 20240331 Gain Loss On Indexed Debt Securities 85000000.0000 USD 1 0001130310-25-000079
0001130310-25-000079 20241231 Short Term Borrowings 500000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20250331 Goodwill 122000000.0000 USD 0 us-gaap/2024 Disposal Group Classification= Disposal Group Held For Sale Or Disposed Of By Sale Not Discontinued Operations; Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations= Louisiana And Mississippi Regulated Natural Gas L D C Businesses; Legal Entity= Cerc Corp;
0001130310-25-000079 20250331 Goodwill 1461000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Income Taxes Paid Net -3000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20240331 Income Tax Expense Benefit 78000000.0000 USD 1 us-gaap/2024 Consolidation Items= Operating Segments;
0001130310-25-000079 20250331 Income Tax Expense Benefit 81000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20250331 Increase Decrease In Accounts And Other Receivables 125000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20240331 Increase Decrease In Accounts Payable 25000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Increase Decrease In Accounts Payable -24000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20240331 Increase Decrease In Inventories -93000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20240331 Increase Decrease In Inventories -82000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20240331 Increase Decrease In Other Current Assets 79000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20240331 Increase Decrease In Other Noncurrent Assets -23000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Increase Decrease In Other Noncurrent Assets And Liabilities Net -94000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20240331 Increase Decrease In Regulatory Assets And Liabilities Non Current 48000000.0000 USD 1 0001130310-25-000079
0001130310-25-000079 20241231 Indexed Debt Securities Derivative 619000000.0000 USD 0 0001130310-25-000079
0001130310-25-000079 20240331 Indexed Debt Securities Gain Loss 85000000.0000 USD 1 0001130310-25-000079
0001130310-25-000079 20240331 Interest And Debt Expense And Other Charges 198000000.0000 USD 1 0001130310-25-000079
0001130310-25-000079 20250331 Interest And Debt Expense And Other Charges 234000000.0000 USD 1 0001130310-25-000079
0001130310-25-000079 20250331 Interest Payable Current 47000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Interest Payable Current 115000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20241231 Inventory Raw Materials And Supplies 541000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20250331 Liabilities Other Than Longterm Debt Noncurrent 8728000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20250331 Net Income Loss 305000000.0000 USD 1 us-gaap/2024 Equity Components= Retained Earnings; Legal Entity= Cerc Corp;
0001130310-25-000079 20240331 Operating Income Loss 616000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20240331 Operating Income Loss 370000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20240331 Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent 1000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20250331 Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent 0.0000 USD 1 us-gaap/2024
0001130310-25-000079 20240331 Other Comprehensive Income Defined Benefit Plans Tax Portion Attributable To Parent 0.0000 USD 1 us-gaap/2024
0001130310-25-000079 20250331 Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax 0.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20241231 Other Liabilities Noncurrent 403000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20240331 Other Nonoperating Income Expense 3000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20240331 Other Operating Activities Cash Flow Statement -4000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Other Operating Activities Cash Flow Statement 1000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20240331 Payments To Acquire Property Plant And Equipment 303000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Payments To Acquire Property Plant And Equipment 1038000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20250331 Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent 491000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20250331 Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent 31000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20250331 Pension Contributions 63000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20250331 Prepaid Expense And Other Assets Current 113000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20250331 Proceeds From Issuance Of Common Stock 0.0000 USD 1 us-gaap/2024
0001130310-25-000079 20250331 Proceeds From Issuance Of Long Term Debt 665000000.0000 USD 1 us-gaap/2024
0001130310-25-000079 20250331 Regulated Operating Revenue 1776000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20241231 Regulatory Assets Current 238000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20241231 Regulatory Assets Current 67000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; Liability For Catastrophe Claims By Catastrophic Event= February2021 Winter Storm Event;
0001130310-25-000079 20241231 Regulatory Assets Noncurrent 67000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; Liability For Catastrophe Claims By Catastrophic Event= February2021 Winter Storm Event;
0001130310-25-000079 20250331 Regulatory Liability Noncurrent 3001000000.0000 USD 0 us-gaap/2024
0001130310-25-000079 20250331 Retained Earnings Accumulated Deficit 1940000000.0000 USD 0 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Retained Earnings Accumulated Deficit 1565000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20240331 Revenues 2620000000.0000 USD 1 us-gaap/2024 Consolidation Items= Operating Segments;
0001130310-25-000079 20240331 Revenues 1512000000.0000 USD 1 us-gaap/2024 Legal Entity= Cerc Corp; CercCorp
0001130310-25-000079 20250331 Revenues 2000000.0000 USD 1 us-gaap/2024 Business Segments= Corporate And Other; Consolidation Items= Operating Segments;
0001130310-25-000079 20250331 Revenues 1066000000.0000 USD 1 us-gaap/2024 Business Segments= Electric;
0001130310-25-000079 20250331 Revenues 2920000000.0000 USD 1 us-gaap/2024 Consolidation Items= Operating Segments;
0001130310-25-000079 20250331 Short Term Borrowings 500000000.0000 USD 0 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20231231 Stockholders Equity 4745000000.0000 USD 0 us-gaap/2024 Equity Components= Additional Paid In Capital; Legal Entity= Houston Electric;
0001130310-25-000079 20231231 Stockholders Equity 0.0000 USD 0 us-gaap/2024 Equity Components= Common Stock; Legal Entity= Cerc Corp;
0001130310-25-000079 20240331 Stockholders Equity 0.0000 USD 0 us-gaap/2024 Equity Components= Common Stock; Legal Entity= Cerc Corp;
0001130310-25-000079 20240331 Stockholders Equity 1442000000.0000 USD 0 us-gaap/2024 Equity Components= Retained Earnings;
0001130310-25-000079 20241231 Stockholders Equity 9105000000.0000 USD 0 us-gaap/2024 Equity Components= Additional Paid In Capital;
0001130310-25-000079 20241231 Stockholders Equity 0.0000 USD 0 us-gaap/2024 Equity Components= Common Stock; Legal Entity= Cerc Corp;
0001130310-25-000079 20241231 Stockholders Equity 1572000000.0000 USD 0 us-gaap/2024 Equity Components= Retained Earnings;
0001130310-25-000079 20241231 Stockholders Equity 1571000000.0000 USD 0 us-gaap/2024 Equity Components= Retained Earnings; Legal Entity= Houston Electric;
0001130310-25-000079 20250331 Stockholders Equity 9097000000.0000 USD 0 us-gaap/2024 Equity Components= Additional Paid In Capital;
0001130310-25-000079 20250331 Stockholders Equity 4519000000.0000 USD 0 us-gaap/2024 Equity Components= Additional Paid In Capital; Legal Entity= Cerc Corp;
0001130310-25-000079 20240331 Stock Issued During Period Value New Issues 3000000.0000 USD 1 us-gaap/2024 Equity Components= Additional Paid In Capital;
0001130310-25-000079 20250331 Taxes Excluding Income And Excise Taxes 2000000.0000 USD 1 us-gaap/2024 Business Segments= Corporate And Other; Consolidation Items= Operating Segments;
0001130310-25-000079 20250331 Taxes Excluding Income And Excise Taxes 75000000.0000 USD 1 us-gaap/2024 Legal Entity= Houston Electric; HoustonElectric
0001130310-25-000079 20240331 Utilities Operating Expense Maintenance Operations And Other Costs And Expenses 0.0000 USD 1 us-gaap/2024 Business Segments= Corporate And Other; Consolidation Items= Operating Segments;
0001130310-25-000079 20240331 Utilities Operating Expense Maintenance Operations And Other Costs And Expenses 234000000.0000 USD 1 us-gaap/2024 Business Segments= Natural Gas Segment; Consolidation Items= Operating Segments;
0001130310-25-000079 20240331 Utilities Operating Expense Maintenance Operations And Other Costs And Expenses 0.0000 USD 1 us-gaap/2024 Consolidation Items= Intersegment Elimination;

Description
Field Name Field Description
adsh Accession Number. The 20-character string formed from the 18-digit number assigned by the SEC to each EDGAR submission.
tag The unique identifier (name) for a tag in a specific taxonomy release.
version For a standard tag, an identifier for the taxonomy; otherwise the accession number where the tag was defined.
ddate The end date for the data value, rounded to the nearest month end.
qtrs The count of the number of quarters represented by the data value, rounded to the nearest whole number. “0” indicates it is a point-in-time value.
uom The unit of measure for the value.
segments Tags used to represent axis and member reporting.
coreg If specified, indicates a specific co-registrant, the parent company, or other entity (e.g., guarantor). NULL indicates the consolidated entity.
value The value. This is not scaled, it is as found in the Interactive Data file, but is limited to four digits to the right of the decimal point.
footnote The text of any superscripted footnotes on the value, as shown on the statement page, truncated to 512 characters, or if there is no footnote, then this field will be blank.

Tags

tag version custom abstract datatype iord crdr tlabel doc
Proceeds From Issuance Of Long Term Debt us-gaap/2024 0 0 monetary D D Proceeds from Issuance of Long-Term Debt The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.
Contribution From Parent 0001130310-25-000079 1 0 monetary D C Contribution From Parent Contribution From Parent
Energy Related Inventory Natural Gas In Storage us-gaap/2024 0 0 monetary I D Energy Related Inventory, Natural Gas in Storage Carrying amount as of the balance sheet date of natural gas in storage, which is a mixture of gases (liquefied or otherwise), used for fuel and manufacturing purposes, which is ready for sale.
Assets Current us-gaap/2024 0 0 monetary I D Assets, Current Amount of asset recognized for present right to economic benefit, classified as current.
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents us-gaap/2024 0 0 monetary I D Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.
Increase Decrease In Other Noncurrent Assets us-gaap/2024 0 0 monetary D C Increase (Decrease) in Other Noncurrent Assets Amount of increase (decrease) in noncurrent assets classified as other.
Gain Loss On Sale Of Business us-gaap/2024 0 0 monetary D C Gain (Loss) on Disposition of Business Amount of gain (loss) from sale and disposal of integrated set of activities and assets capable of being conducted and managed for purpose of providing return in form of dividend, lower cost, or other economic benefit to investor, owner, member and participant.
Payments To Acquire Property Plant And Equipment us-gaap/2024 0 0 monetary D C Payments to Acquire Property, Plant, and Equipment The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.
Pension Contributions us-gaap/2024 0 0 monetary D C Payment for Pension Benefits Amount of cash outflow for pension benefit. Includes, but is not limited to, employer contribution to fund plan asset and payment to retiree. Excludes other postretirement benefit.
Proceeds From Repayments Of Commercial Paper us-gaap/2024 0 0 monetary D D Proceeds from (Repayments of) Commercial Paper The net cash inflow or cash outflow from issuing (borrowing) and repaying commercial paper.
Right Of Use Asset Obtained In Exchange For Operating Lease Liability us-gaap/2024 0 0 monetary D D Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Amount of increase in right-of-use asset obtained in exchange for operating lease liability.
Taxes Payable Current us-gaap/2024 0 0 monetary I C Taxes Payable, Current Carrying value as of the balance sheet date of obligations incurred and payable for statutory income, sales, use, payroll, excise, real, property and other taxes. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).
Unbilled Receivables Current us-gaap/2024 0 0 monetary I D Unbilled Receivables, Current Amount received for services rendered and products shipped, but not yet billed, for non-contractual agreements due within one year or the normal operating cycle, if longer.
Interest And Debt Expense And Other Charges 0001130310-25-000079 1 0 monetary D D Interest and Debt Expense and Other Charges Interest and Debt Expense and Other Charges
Transition And System Restoration Bonds Long Term Debt Current 0001130310-25-000079 1 0 monetary I C Transition And System Restoration Bonds Long Term Debt Current Long-term transition and system restoration bonds are securitization bonds issued to recover qualified stranded costs and qualified storm recovery costs. This represents the current portion.
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment us-gaap/2024 0 0 monetary I C Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.
Allowance For Doubtful Accounts Receivable Current us-gaap/2024 0 0 monetary I C Accounts Receivable, Allowance for Credit Loss, Current Amount of allowance for credit loss on accounts receivable, classified as current.
Comprehensive Income Net Of Tax us-gaap/2024 0 0 monetary D C Comprehensive Income (Loss), Net of Tax, Attributable to Parent Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.
Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest us-gaap/2024 0 0 monetary D C Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.
Liabilities And Stockholders Equity us-gaap/2024 0 0 monetary I C Liabilities and Equity Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any.
Liabilities Of Disposal Group Including Discontinued Operation Current us-gaap/2024 0 0 monetary I C Disposal Group, Including Discontinued Operation, Liabilities, Current Amount classified as liabilities attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer.
Payments Of Dividends us-gaap/2024 0 0 monetary D C Payments of Dividends Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests.
Retained Earnings Accumulated Deficit us-gaap/2024 0 0 monetary I C Retained Earnings (Accumulated Deficit) Amount of accumulated undistributed earnings (deficit).
Accounts Receivable Net Current us-gaap/2024 0 0 monetary I D Accounts Receivable, after Allowance for Credit Loss, Current Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.
Additional Paid In Capital us-gaap/2024 0 0 monetary I C Additional Paid in Capital Amount of excess of issue price over par or stated value of stock and from other transaction involving stock or stockholder. Includes, but is not limited to, additional paid-in capital (APIC) for common and preferred stock.
Common Stock Par Or Stated Value Per Share us-gaap/2024 0 0 perShare I Common Stock, Par or Stated Value Per Share Face amount or stated value per share of common stock.
Common Stock Shares Outstanding us-gaap/2024 0 0 shares I Common Stock, Shares, Outstanding Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.
Income Tax Expense Benefit us-gaap/2024 0 0 monetary D D Income Tax Expense (Benefit) Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.
Net Income Loss us-gaap/2024 0 0 monetary D C Net Income (Loss) Attributable to Parent The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.
Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent us-gaap/2024 0 0 monetary D D Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax and Reclassification Adjustment, Attributable to Parent Amount, after tax and reclassification adjustment, of (increase) decrease in accumulated other comprehensive income for defined benefit plan, attributable to parent.
Other Operating Activities Cash Flow Statement us-gaap/2024 0 0 monetary D D Other Operating Activities, Cash Flow Statement Other cash or noncash adjustments to reconcile net income to cash provided by (used in) operating activities that are not separately disclosed in the statement of cash flows (for example, cash received or cash paid during the current period for miscellaneous operating activities, net change during the reporting period in other assets or other liabilities).
Payments Of Debt Issuance Costs us-gaap/2024 0 0 monetary D C Payments of Debt Issuance Costs The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt.
Regulatory Assets Current us-gaap/2024 0 0 monetary I D Regulatory Asset, Current Carrying amount as of the balance sheet date of capitalized costs of regulated entities that are expected to be recovered through revenue sources within one year or the normal operating cycle, if longer. Such costs are capitalized if they meet both of the following criteria: a. It is probable that future revenue in an amount at least equal to the capitalized cost will result from inclusion of that cost in allowable costs for rate-making purposes. b. Based on available evidence, the future revenue will be provided to permit recovery of the previously incurred cost rather than to provide for expected levels of similar future costs. If the revenue will be provided through an automatic rate-adjustment clause, this criterion requires that the regulator's intent clearly be to permit recovery of the previously incurred cost.
Stockholders Equity us-gaap/2024 0 0 monetary I C Equity, Attributable to Parent Amount of equity (deficit) attributable to parent. Excludes temporary equity and equity attributable to noncontrolling interest.
Stock Issued During Period Value Share Based Compensation us-gaap/2024 0 0 monetary D C Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Value, after forfeiture, of shares issued under share-based payment arrangement. Excludes employee stock ownership plan (ESOP).
Weighted Average Number Of Diluted Shares Outstanding us-gaap/2024 0 0 shares D Weighted Average Number of Shares Outstanding, Diluted The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.
Accounts And Notes Receivable Current 0001130310-25-000079 1 0 monetary I D Accounts and Notes Receivable, Current Accounts and Notes Receivable, Current
Indexed Debt Current 0001130310-25-000079 1 0 monetary I C Indexed Debt Current
Accumulated Other Comprehensive Income Loss Net Of Tax us-gaap/2024 0 0 monetary I C Accumulated Other Comprehensive Income (Loss), Net of Tax Amount, after tax, of accumulated increase (decrease) in equity from transaction and other event and circumstance from nonowner source.
Assets us-gaap/2024 0 0 monetary I D Assets Amount of asset recognized for present right to economic benefit.
Cost Of Goods And Services Sold us-gaap/2024 0 0 monetary D D Cost of Goods and Services Sold The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.
Disposal Group Not Discontinued Operation Gain Loss On Disposal us-gaap/2024 0 0 monetary D C Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal Amount before tax of gain (loss) recognized on the sale or disposal of a disposal group. Excludes discontinued operations.
Earnings Per Share Diluted us-gaap/2024 0 0 perShare D Earnings Per Share, Diluted The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.
Increase Decrease In Accounts And Other Receivables us-gaap/2024 0 0 monetary D C Increase (Decrease) in Accounts and Other Receivables The increase (decrease) during the reporting period in the amount due from customers for the credit sale of goods and services; includes accounts receivable and other types of receivables.
Interest Payable Current us-gaap/2024 0 0 monetary I C Interest Payable, Current Carrying value as of the balance sheet date of [accrued] interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).
Other Assets Noncurrent us-gaap/2024 0 0 monetary I D Other Assets, Noncurrent Amount of noncurrent assets classified as other.
Payments For Proceeds From Other Investing Activities us-gaap/2024 0 0 monetary D C Payments for (Proceeds from) Other Investing Activities Amount of cash (inflow) outflow from investing activities classified as other.
Regulatory Liability Noncurrent us-gaap/2024 0 0 monetary I C Regulatory Liability, Noncurrent The amount for the individual regulatory noncurrent liability as itemized in a table of regulatory noncurrent liabilities as of the end of the period.
Accounts And Notes Payable Current 0001130310-25-000079 1 0 monetary I C Accounts and Notes Payable, Current Accounts and Notes Payable, Current
Increase Decrease In Accounts Receivable Payable Affiliates 0001130310-25-000079 1 0 monetary D C Increase (Decrease) in Accounts Receivable (Payable) Affiliates The increase (decrease) in net accounts receivables and payables due to/from affiliates.
Increase Decrease In Regulatory Assets And Liabilities Current 0001130310-25-000079 1 0 monetary D C Increase (Decrease) in Regulatory Assets and Liabilities Current Increase (Decrease) in Regulatory Assets and Liabilities Current
Depreciation Depletion And Amortization us-gaap/2024 0 0 monetary D D Depreciation, Depletion and Amortization The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.
Increase Decrease In Income Taxes Receivable us-gaap/2024 0 0 monetary D C Increase (Decrease) in Income Taxes Receivable The increase (decrease) during the reporting period in income taxes receivable, which represents the amount due from tax authorities for refunds of overpayments or recoveries of income taxes paid.
Inventory Raw Materials And Supplies us-gaap/2024 0 0 monetary I D Inventory, Raw Materials and Supplies, Gross Gross amount of unprocessed materials to be used in manufacturing or production process and supplies that will be consumed.
Liabilities Current us-gaap/2024 0 0 monetary I C Liabilities, Current Total obligations incurred as part of normal operations that are expected to be paid during the following twelve months or within one business cycle, if longer.
Marketable Securities Current us-gaap/2024 0 0 monetary I D Marketable Securities, Current Amount of investment in marketable security, classified as current.
Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent us-gaap/2024 0 0 monetary I C Liability, Defined Benefit Plan, Noncurrent Amount of liability, recognized in statement of financial position, for defined benefit pension and other postretirement plans, classified as noncurrent.
Repayments Of Long Term Debt us-gaap/2024 0 0 monetary D C Repayments of Long-Term Debt The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.
Cash And Cash Equivalents At Carrying Value us-gaap/2024 0 0 monetary I D Cash and Cash Equivalents, at Carrying Value Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.
Dividends Payable Current us-gaap/2024 0 0 monetary I C Dividends Payable, Current Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).
Income Taxes Paid Net us-gaap/2024 0 0 monetary D C Income Taxes Paid, Net Amount, after refund, of cash paid to foreign, federal, state, and local jurisdictions as income tax.
Increase Decrease In Inventories us-gaap/2024 0 0 monetary D C Increase (Decrease) in Inventories The increase (decrease) during the reporting period in the aggregate value of all inventory held by the reporting entity, associated with underlying transactions that are classified as operating activities.
Nonoperating Income Expense us-gaap/2024 0 0 monetary D C Nonoperating Income (Expense) The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business).
Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification Tax us-gaap/2024 0 0 monetary D D Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax Amount, before reclassification, of tax expense (benefit) for gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.
Other Liabilities Current us-gaap/2024 0 0 monetary I C Other Liabilities, Current Amount of liabilities classified as other, due within one year or the normal operating cycle, if longer.
Proceeds From Contributions From Parent us-gaap/2024 0 0 monetary D D Proceeds from Contributions from Parent The cash inflow from parent as a source of financing that is recorded as additional paid in capital.
Comprehensive Income Loss Net Of Tax Before Preferred Stock Dividends 0001130310-25-000079 1 0 monetary D C Comprehensive Income (Loss), Net Of Tax, Before Preferred Stock Dividends Total comprehensive income before preferred stock dividend requirements.
Assets Of Disposal Group Including Discontinued Operation Current us-gaap/2024 0 0 monetary I D Disposal Group, Including Discontinued Operation, Assets, Current Amount classified as assets attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer.
Costs And Expenses us-gaap/2024 0 0 monetary D D Costs and Expenses Total costs of sales and operating expenses for the period.
Deferred Income Tax Expense Benefit us-gaap/2024 0 0 monetary D D Deferred Income Tax Expense (Benefit) Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.
Goodwill us-gaap/2024 0 0 monetary I D Goodwill Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.
Increase Decrease In Other Current Assets And Liabilities Net us-gaap/2024 0 0 monetary D C Increase (Decrease) in Other Current Assets and Liabilities, Net Amount of increase (decrease) in current operating assets after deduction of current operating liabilities classified as other.
Increase Decrease In Other Noncurrent Assets And Liabilities Net us-gaap/2024 0 0 monetary D C Increase (Decrease) in Other Noncurrent Assets and Liabilities, Net Amount of increase (decrease) in noncurrent operating assets after deduction of noncurrent operating liabilities classified as other.
Liabilities Other Than Longterm Debt Noncurrent us-gaap/2024 0 0 monetary I C Liabilities, Other than Long-Term Debt, Noncurrent Aggregated carrying amounts of obligations as of the balance sheet date, excluding long-term debt, incurred as part of the normal operations that are expected to be paid after one year or beyond the normal operating cycle, if longer. Alternate captions include Total Deferred Credits and Other Liabilities.
Net Cash Provided By Used In Operating Activities us-gaap/2024 0 0 monetary D Net Cash Provided by (Used in) Operating Activities Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.
Operating Income Loss us-gaap/2024 0 0 monetary D C Operating Income (Loss) The net result for the period of deducting operating expenses from operating revenues.
Other Comprehensive Income Defined Benefit Plans Tax Portion Attributable To Parent us-gaap/2024 0 0 monetary D C Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax, Attributable to Parent Amount, after reclassification adjustment, of tax (expense) benefit for (increase) decrease in accumulated other comprehensive income for defined benefit plan, attributable to parent.
Other Liabilities Noncurrent us-gaap/2024 0 0 monetary I C Other Liabilities, Noncurrent Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer.
Other Long Term Debt Current us-gaap/2024 0 0 monetary I C Other Long-Term Debt, Current Amount of long-term debt classified as other, payable within one year or the operating cycle, if longer.
Other Long Term Debt Noncurrent us-gaap/2024 0 0 monetary I C Other Long-Term Debt, Noncurrent Amount of long-term debt classified as other, payable after one year or the operating cycle, if longer.
Prepaid Expense And Other Assets Current us-gaap/2024 0 0 monetary I D Prepaid Expense and Other Assets, Current Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer.
Proceeds From Payments For Other Financing Activities us-gaap/2024 0 0 monetary D D Proceeds from (Payments for) Other Financing Activities Amount of cash inflow (outflow) from financing activities classified as other.
Regulatory Assets Noncurrent us-gaap/2024 0 0 monetary I D Regulatory Asset, Noncurrent Carrying amount as of the balance sheet date of capitalized costs of regulated entities that are not expected to be recovered through revenue sources within one year or the normal operating cycle if longer.
Short Term Borrowings us-gaap/2024 0 0 monetary I C Short-Term Debt Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.
Taxes Excluding Income And Excise Taxes us-gaap/2024 0 0 monetary D D Taxes, Miscellaneous All taxes not related to income of the entity or excise or sales taxes levied on the revenue of the entity that are not reported elsewhere. These taxes could include production, real estate, personal property, and pump tax.
Utilities Operating Expense Gas And Petroleum Purchased us-gaap/2024 0 0 monetary D D Utilities Operating Expense, Gas and Petroleum Purchased Amount of operating expense for purchased gas and petroleum of regulated operation.
Assets Noncurrent Other Than Property Plant And Equipment 0001130310-25-000079 1 0 monetary I D Assets Non current Other Than Property Plant And Equipment Sum of the carrying amounts as of the balance sheet date of assets that are expected to be realized in cash, sold or consumed after one year or beyond the normal operating cycle, if longer, excluding property, plant and equipment.
Indexed Debt Securities Derivative 0001130310-25-000079 1 0 monetary I C Indexed debt securities derivative
Capital Expenditures Incurred But Not Yet Paid us-gaap/2024 0 0 monetary D C Capital Expenditures Incurred but Not yet Paid Future cash outflow to pay for purchases of fixed assets that have occurred.
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect us-gaap/2024 0 0 monetary D D Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect Amount of increase (decrease) in cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; excluding effect from exchange rate change. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.
Common Stock Value us-gaap/2024 0 0 monetary I C Common Stock, Value, Issued Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity.
Increase Decrease In Other Current Assets us-gaap/2024 0 0 monetary D C Increase (Decrease) in Other Current Assets Amount of increase (decrease) in current assets classified as other.
Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent us-gaap/2024 0 0 monetary D C Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Amount after tax of other comprehensive income (loss) attributable to parent entity.
Proceeds From Divestiture Of Businesses us-gaap/2024 0 0 monetary D D Proceeds from Divestiture of Businesses The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.
Regulated Operating Revenue us-gaap/2024 0 0 monetary D C Regulated Operating Revenue The total amount of regulated operating revenues recognized during the period.
Revenues us-gaap/2024 0 0 monetary D C Revenues Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).
Accounts Payable Current us-gaap/2024 0 0 monetary I C Accounts Payable, Current Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).
Commitments And Contingencies us-gaap/2024 0 0 monetary I C Commitments and Contingencies Represents the caption on the face of the balance sheet to indicate that the entity has entered into (1) purchase or supply arrangements that will require expending a portion of its resources to meet the terms thereof, and (2) is exposed to potential losses or, less frequently, gains, arising from (a) possible claims against a company's resources due to future performance under contract terms, and (b) possible losses or likely gains from uncertainties that will ultimately be resolved when one or more future events that are deemed likely to occur do occur or fail to occur.
Common Stock Shares Authorized us-gaap/2024 0 0 shares I Common Stock, Shares Authorized The maximum number of common shares permitted to be issued by an entity's charter and bylaws.
Deferred Income Tax Liabilities Net us-gaap/2024 0 0 monetary I C Deferred Income Tax Liabilities, Net Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences with jurisdictional netting.
Dividends Cash us-gaap/2024 0 0 monetary D D Dividends, Cash Amount of paid and unpaid cash dividends declared for classes of stock, for example, but not limited to, common and preferred.
Equity Securities Fv Ni Gain Loss us-gaap/2024 0 0 monetary D C Equity Securities, FV-NI, Gain (Loss) Amount of unrealized and realized gain (loss) on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).
Income Taxes Receivable us-gaap/2024 0 0 monetary I D Income Taxes Receivable, Current Carrying amount due within one year of the balance sheet date (or one operating cycle, if longer) from tax authorities as of the balance sheet date representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes.
Increase Decrease In Accounts Payable us-gaap/2024 0 0 monetary D D Increase (Decrease) in Accounts Payable The increase (decrease) during the reporting period in the aggregate amount of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business.
Interest Paid Net us-gaap/2024 0 0 monetary D C Interest Paid, Excluding Capitalized Interest, Operating Activities Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount.
Net Cash Provided By Used In Financing Activities us-gaap/2024 0 0 monetary D D Net Cash Provided by (Used in) Financing Activities Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.
Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax us-gaap/2024 0 0 monetary D C Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax Amount, after tax and before reclassification, of gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.
Payments To Acquire Other Productive Assets us-gaap/2024 0 0 monetary D C Payments to Acquire Other Productive Assets Amount of cash outflow for the purchase of or improvements to tangible or intangible assets, used to produce goods or deliver services, classified as other.
Proceeds From Repayments Of Other Debt us-gaap/2024 0 0 monetary D D Proceeds from (Repayments of) Other Debt Amount of cash inflow (outflow) for debt classified as other.
Property Plant And Equipment Gross us-gaap/2024 0 0 monetary I D Property, Plant and Equipment, Gross Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.
Unregulated Operating Revenue us-gaap/2024 0 0 monetary D C Unregulated Operating Revenue The amount of unregulated operating revenues recognized during the period.
Gain Loss On Indexed Debt Securities 0001130310-25-000079 1 0 monetary D C Gain (loss) On Indexed Debt Securities This item represents the net total realized and unrealized gain (loss) included in earnings for the period related to indexed debt securities.
Increase Decrease In Regulatory Assets And Liabilities Non Current 0001130310-25-000079 1 0 monetary D C Increase (Decrease) in Regulatory Assets and Liabilities Non-Current Increase (Decrease) in Regulatory Assets and Liabilities Non-Current
Transition And System Restoration Bonds Long Term Debt Non Current 0001130310-25-000079 1 0 monetary I C Transition And System Restoration Bonds Long Term Debt Non Current Carrying value as of the balance sheet date of transition and system restoration bond debt (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion.
Contract With Customer Liability Current us-gaap/2024 0 0 monetary I C Contract with Customer, Liability, Current Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current.
Earnings Per Share Basic us-gaap/2024 0 0 perShare D Earnings Per Share, Basic The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.
Increase Decrease In Notes Receivable Related Parties us-gaap/2024 0 0 monetary D C Increase (Decrease) in Notes Receivable, Related Parties The increase (decrease) during the reporting period in the amount owed to the reporting entity in the form of loans and obligations (generally evidenced by promissory notes) made to the following types of related parties: a parent company and its subsidiaries; subsidiaries of a common parent; an entity and trust for the benefit of employees, such as pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management, an entity and its principal owners, management, or member of their immediate families, affiliates, or other parties with the ability to exert significant influence.
Net Cash Provided By Used In Investing Activities us-gaap/2024 0 0 monetary D D Net Cash Provided by (Used in) Investing Activities Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.
Other Nonoperating Income Expense us-gaap/2024 0 0 monetary D C Other Nonoperating Income (Expense) Amount of income (expense) related to nonoperating activities, classified as other.
Proceeds From Issuance Of Common Stock us-gaap/2024 0 0 monetary D D Proceeds from Issuance of Common Stock The cash inflow from the additional capital contribution to the entity.
Stock Issued During Period Value New Issues us-gaap/2024 0 0 monetary D C Stock Issued During Period, Value, New Issues Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering.
Utilities Operating Expense Maintenance Operations And Other Costs And Expenses us-gaap/2024 0 0 monetary D D Utilities Operating Expense, Maintenance, Operations, and Other Costs and Expenses The amount of operating expenses for the period that are associated with the utility's normal revenue producing operation; including selling, general, and administrative expenses, costs incurred for routine plant repairs and maintenance, and operations.
Accrued Unbilled Revenues After Allowance For Credit Losses Current 0001130310-25-000079 1 0 monetary I C Accrued Unbilled Revenues, After Allowance For Credit Losses, Current Accrued Unbilled Revenues, After Allowance For Credit Losses, Current
Accrued Unbilled Revenues Allowance For Credit Losses Current 0001130310-25-000079 1 0 monetary I C Accrued Unbilled Revenues, Allowance For Credit Losses, Current Allowance for credit losses on accrued unbilled revenues
Indexed Debt Securities Gain Loss 0001130310-25-000079 1 0 monetary D C Indexed Debt Securities, Gain (Loss) This item represents the net total realized and unrealized gain (loss) included in earnings for the period related to indexed debt securities.
Interest On Transition And System Restoration Bonds 0001130310-25-000079 1 0 monetary D D Interest on Transition and System Restoration Bonds Interest and debt related expenses associated with transition and system restoration bonds.
Gain Loss On Sale Of Other Assets us-gaap/2024 0 0 monetary D C Gain (Loss) on Disposition of Other Assets Amount of gain (loss) on sale or disposal of other assets.
Long Term Debt Noncurrent us-gaap/2024 0 0 monetary I C Long-Term Debt, Excluding Current Maturities Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as noncurrent. Excludes lease obligation.
Payments Of Dividends Common Stock us-gaap/2024 0 0 monetary D C Payments of Ordinary Dividends, Common Stock Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity.
Property Plant And Equipment Net us-gaap/2024 0 0 monetary I D Property, Plant and Equipment, Net Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.
Stock Issued During Period Shares Share Based Compensation us-gaap/2024 0 0 shares D Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Number, after forfeiture, of shares or units issued under share-based payment arrangement. Excludes shares or units issued under employee stock ownership plan (ESOP).
Weighted Average Number Of Shares Outstanding Basic us-gaap/2024 0 0 shares D Weighted Average Number of Shares Outstanding, Basic Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

Description
Field Name Field Description
tag The unique identifier (name) for a tag in a specific taxonomy release.
version For a standard tag, an identifier for the taxonomy; otherwise the accession number where the tag was defined.
custom 1 if tag is custom (version=adsh), 0 if it is standard. Note: This flag is technically redundant with the version and adsh columns.
abstract 1 if the tag is not used to represent a numeric fact.
datatype If abstract=1, then NULL, otherwise the data type (e.g., monetary) for the tag.
iord If abstract=1, then NULL; otherwise, “I” if the value is a point-in time, or “D” if the value is a duration.
crdr If datatype = monetary, then the tag’s natural accounting balance (debit or credit); if not defined, then NULL.
tlabel If a standard tag, then the label text provided by the taxonomy, otherwise the text provided by the filer. A tag which had neither would have a NULL value here.
doc The detailed definition for the tag. If a standard tag, then the text provided by the taxonomy, otherwise the text assigned by the filer. Some tags have neither, and this field is NULL.

Presentation of Statements

adsh report line stmt inpth rfile tag version plabel negating
0001130310-25-000079 2 2 IS 0 H Regulated Operating Revenue us-gaap/2024 Utility revenues 0
0001130310-25-000079 2 3 IS 0 H Unregulated Operating Revenue us-gaap/2024 Non-utility revenues 0
0001130310-25-000079 2 4 IS 0 H Revenues us-gaap/2024 Total 0
0001130310-25-000079 2 6 IS 0 H Utilities Operating Expense Gas And Petroleum Purchased us-gaap/2024 Utility natural gas, fuel and purchased power 0
0001130310-25-000079 2 7 IS 0 H Cost Of Goods And Services Sold us-gaap/2024 Non-utility cost of revenues, including natural gas 0
0001130310-25-000079 2 8 IS 0 H Utilities Operating Expense Maintenance Operations And Other Costs And Expenses us-gaap/2024 Operation and maintenance 0
0001130310-25-000079 2 9 IS 0 H Depreciation Depletion And Amortization us-gaap/2024 Depreciation and amortization 0
0001130310-25-000079 2 10 IS 0 H Taxes Excluding Income And Excise Taxes us-gaap/2024 Taxes other than income taxes 0
0001130310-25-000079 2 11 IS 0 H Costs And Expenses us-gaap/2024 Total 0
0001130310-25-000079 2 12 IS 0 H Operating Income Loss us-gaap/2024 Operating Income 0
0001130310-25-000079 2 14 IS 0 H Gain Loss On Sale Of Business us-gaap/2024 Loss on sale 0
0001130310-25-000079 2 15 IS 0 H Equity Securities Fv Ni Gain Loss us-gaap/2024 Gain (loss) on equity securities 0
0001130310-25-000079 2 16 IS 0 H Gain Loss On Indexed Debt Securities 0001130310-25-000079 Gain (loss) on indexed debt securities 0
0001130310-25-000079 2 17 IS 0 H Interest And Debt Expense And Other Charges 0001130310-25-000079 Interest expense and other finance charges 1
0001130310-25-000079 2 18 IS 0 H Interest On Transition And System Restoration Bonds 0001130310-25-000079 Interest expense on Securitization Bonds 1
0001130310-25-000079 2 19 IS 0 H Other Nonoperating Income Expense us-gaap/2024 Other income, net 0
0001130310-25-000079 2 20 IS 0 H Nonoperating Income Expense us-gaap/2024 Total 0
0001130310-25-000079 2 21 IS 0 H Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest us-gaap/2024 Income Before Income Taxes 0
0001130310-25-000079 2 22 IS 0 H Income Tax Expense Benefit us-gaap/2024 Income tax expense 0
0001130310-25-000079 2 23 IS 0 H Net Income Loss us-gaap/2024 Net Income 0
0001130310-25-000079 2 24 IS 0 H Earnings Per Share Basic us-gaap/2024 Basic Earnings Per Common Share (in dollars per share) 0
0001130310-25-000079 2 25 IS 0 H Earnings Per Share Diluted us-gaap/2024 Diluted Earnings Per Common Share (in dollars per share) 0
0001130310-25-000079 2 26 IS 0 H Weighted Average Number Of Shares Outstanding Basic us-gaap/2024 Weighted Average Common Shares Outstanding, Basic (in shares) 0
0001130310-25-000079 2 27 IS 0 H Weighted Average Number Of Diluted Shares Outstanding us-gaap/2024 Weighted Average Common Shares Outstanding, Diluted (in shares) 0
0001130310-25-000079 3 1 CI 0 H Net Income Loss us-gaap/2024 Net Income 0
0001130310-25-000079 3 3 CI 0 H Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent us-gaap/2024 Adjustment to pension and other postretirement plans (net of tax of $-0-, and $-0-) 1
0001130310-25-000079 3 4 CI 0 H Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax us-gaap/2024 Net deferred gain from cash flow hedges (net of tax of $-0-, and $-0-) 0
0001130310-25-000079 3 5 CI 0 H Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent us-gaap/2024 Total 0
0001130310-25-000079 3 6 CI 0 H Comprehensive Income Loss Net Of Tax Before Preferred Stock Dividends 0001130310-25-000079 Comprehensive income 0
0001130310-25-000079 4 1 CI 1 H Other Comprehensive Income Defined Benefit Plans Tax Portion Attributable To Parent us-gaap/2024 Adjustment to pension and other postretirement plans, tax 1
0001130310-25-000079 4 2 CI 1 H Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification Tax us-gaap/2024 Net deferred gain from cash flow hedges, tax 0
0001130310-25-000079 5 3 BS 0 H Cash And Cash Equivalents At Carrying Value us-gaap/2024 Cash and cash equivalents 0
0001130310-25-000079 5 4 BS 0 H Marketable Securities Current us-gaap/2024 Investment in equity securities 0
0001130310-25-000079 5 5 BS 0 H Accounts Receivable Net Current us-gaap/2024 Accounts receivable, less allowance for credit losses 0
0001130310-25-000079 5 6 BS 0 H Unbilled Receivables Current us-gaap/2024 Accrued unbilled revenue, less allowance for credit losses 0
0001130310-25-000079 5 7 BS 0 H Energy Related Inventory Natural Gas In Storage us-gaap/2024 Natural gas and coal inventory 0
0001130310-25-000079 5 8 BS 0 H Inventory Raw Materials And Supplies us-gaap/2024 Materials and supplies 0
0001130310-25-000079 5 9 BS 0 H Income Taxes Receivable us-gaap/2024 Taxes receivable 0
0001130310-25-000079 5 10 BS 0 H Assets Of Disposal Group Including Discontinued Operation Current us-gaap/2024 Current assets held for sale 0
0001130310-25-000079 5 11 BS 0 H Regulatory Assets Current us-gaap/2024 Regulatory assets 0
0001130310-25-000079 5 12 BS 0 H Prepaid Expense And Other Assets Current us-gaap/2024 Prepaid expenses and other current assets 0
0001130310-25-000079 5 13 BS 0 H Assets Current us-gaap/2024 Total current assets 0
0001130310-25-000079 5 15 BS 0 H Property Plant And Equipment Gross us-gaap/2024 Property, plant and equipment 0
0001130310-25-000079 5 16 BS 0 H Accumulated Depreciation Depletion And Amortization Property Plant And Equipment us-gaap/2024 Less: accumulated depreciation and amortization 0
0001130310-25-000079 5 17 BS 0 H Property Plant And Equipment Net us-gaap/2024 Property, plant and equipment, net 0
0001130310-25-000079 5 19 BS 0 H Goodwill us-gaap/2024 Goodwill 0
0001130310-25-000079 5 20 BS 0 H Regulatory Assets Noncurrent us-gaap/2024 Regulatory assets 0
0001130310-25-000079 5 21 BS 0 H Other Assets Noncurrent us-gaap/2024 Other non-current assets 0
0001130310-25-000079 5 22 BS 0 H Assets Noncurrent Other Than Property Plant And Equipment 0001130310-25-000079 Total other assets 0
0001130310-25-000079 5 23 BS 0 H Assets us-gaap/2024 Total Assets 0
0001130310-25-000079 5 26 BS 0 H Short Term Borrowings us-gaap/2024 Short-term borrowings 0
0001130310-25-000079 5 27 BS 0 H Transition And System Restoration Bonds Long Term Debt Current 0001130310-25-000079 Current portion of VIE Securitization Bonds long-term debt 0
0001130310-25-000079 5 28 BS 0 H Indexed Debt Current 0001130310-25-000079 Indexed debt, net 0
0001130310-25-000079 5 29 BS 0 H Other Long Term Debt Current us-gaap/2024 Current portion of other long-term debt 0
0001130310-25-000079 5 30 BS 0 H Indexed Debt Securities Derivative 0001130310-25-000079 Indexed debt securities derivative 0
0001130310-25-000079 5 31 BS 0 H Accounts Payable Current us-gaap/2024 Accounts payable 0
0001130310-25-000079 5 32 BS 0 H Taxes Payable Current us-gaap/2024 Taxes accrued 0
0001130310-25-000079 5 33 BS 0 H Interest Payable Current us-gaap/2024 Interest accrued 0
0001130310-25-000079 5 34 BS 0 H Dividends Payable Current us-gaap/2024 Dividends accrued 0
0001130310-25-000079 5 35 BS 0 H Contract With Customer Liability Current us-gaap/2024 Customer deposits 0
0001130310-25-000079 5 36 BS 0 H Liabilities Of Disposal Group Including Discontinued Operation Current us-gaap/2024 Current liabilities held for sale 0
0001130310-25-000079 5 37 BS 0 H Other Liabilities Current us-gaap/2024 Other current liabilities 0
0001130310-25-000079 5 38 BS 0 H Liabilities Current us-gaap/2024 Total current liabilities 0
0001130310-25-000079 5 40 BS 0 H Deferred Income Tax Liabilities Net us-gaap/2024 Deferred income taxes, net 0
0001130310-25-000079 5 41 BS 0 H Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent us-gaap/2024 Benefit obligations 0
0001130310-25-000079 5 42 BS 0 H Regulatory Liability Noncurrent us-gaap/2024 Regulatory liabilities 0
0001130310-25-000079 5 43 BS 0 H Other Liabilities Noncurrent us-gaap/2024 Other non-current liabilities 0
0001130310-25-000079 5 44 BS 0 H Liabilities Other Than Longterm Debt Noncurrent us-gaap/2024 Total other liabilities 0
0001130310-25-000079 5 46 BS 0 H Transition And System Restoration Bonds Long Term Debt Non Current 0001130310-25-000079 VIE Securitization Bonds, net 0
0001130310-25-000079 5 47 BS 0 H Other Long Term Debt Noncurrent us-gaap/2024 Other long-term debt, net 0
0001130310-25-000079 5 48 BS 0 H Long Term Debt Noncurrent us-gaap/2024 Total long-term debt, net 0
0001130310-25-000079 5 49 BS 0 H Commitments And Contingencies us-gaap/2024 Commitments and Contingencies (Note 11) 0
0001130310-25-000079 5 51 BS 0 H Common Stock Value us-gaap/2024 Common stock 0
0001130310-25-000079 5 52 BS 0 H Additional Paid In Capital us-gaap/2024 Additional paid-in capital 0
0001130310-25-000079 5 53 BS 0 H Retained Earnings Accumulated Deficit us-gaap/2024 Retained earnings 0
0001130310-25-000079 5 54 BS 0 H Accumulated Other Comprehensive Income Loss Net Of Tax us-gaap/2024 Accumulated other comprehensive loss 0
0001130310-25-000079 5 55 BS 0 H Stockholders Equity us-gaap/2024 Total shareholders equity 0
0001130310-25-000079 5 56 BS 0 H Liabilities And Stockholders Equity us-gaap/2024 Total Liabilities and Shareholders Equity 0
0001130310-25-000079 6 6 BS 1 H Cash And Cash Equivalents At Carrying Value us-gaap/2024 Cash and cash equivalents 0
0001130310-25-000079 6 7 BS 1 H Accounts Receivable Net Current us-gaap/2024 Accounts receivable, less allowance for credit losses 0
0001130310-25-000079 6 8 BS 1 H Allowance For Doubtful Accounts Receivable Current us-gaap/2024 Allowance for credit losses 1
0001130310-25-000079 6 9 BS 1 H Accrued Unbilled Revenues After Allowance For Credit Losses Current 0001130310-25-000079 Accrued unbilled revenues, after allowance for credit losses, current 0
0001130310-25-000079 6 10 BS 1 H Accrued Unbilled Revenues Allowance For Credit Losses Current 0001130310-25-000079 Accrued unbilled revenues, allowance for credit losses 0
0001130310-25-000079 6 11 BS 1 H Prepaid Expense And Other Assets Current us-gaap/2024 Prepaid expenses and other current assets 0
0001130310-25-000079 6 12 BS 1 H Regulatory Assets Noncurrent us-gaap/2024 Regulatory assets 0
0001130310-25-000079 6 14 BS 1 H Common Stock Par Or Stated Value Per Share us-gaap/2024 Common stock, par value (in dollars per share) 0
0001130310-25-000079 6 15 BS 1 H Common Stock Shares Authorized us-gaap/2024 Common stock, authorized (in shares) 0
0001130310-25-000079 6 16 BS 1 H Common Stock Shares Outstanding us-gaap/2024 Common stock, outstanding (in shares) 0
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0001130310-25-000079 20 20 UN 0 H Increase Decrease In Other Current Assets us-gaap/2024 Other current assets and liabilities 1
0001130310-25-000079 20 21 UN 0 H Increase Decrease In Other Noncurrent Assets us-gaap/2024 Other non-current assets and liabilities 1
0001130310-25-000079 20 22 UN 0 H Other Operating Activities Cash Flow Statement us-gaap/2024 Other operating activities, net 0
0001130310-25-000079 20 23 UN 0 H Net Cash Provided By Used In Operating Activities us-gaap/2024 Net cash provided by operating activities 0
0001130310-25-000079 20 25 UN 0 H Payments To Acquire Property Plant And Equipment us-gaap/2024 Capital expenditures 1
0001130310-25-000079 20 26 UN 0 H Increase Decrease In Notes Receivable Related Parties us-gaap/2024 Decrease (increase) in notes receivableaffiliated companies 1
0001130310-25-000079 20 27 UN 0 H Proceeds From Divestiture Of Businesses us-gaap/2024 Proceeds from divestiture 0
0001130310-25-000079 20 28 UN 0 H Payments For Proceeds From Other Investing Activities us-gaap/2024 Other investing activities, net 1
0001130310-25-000079 20 29 UN 0 H Net Cash Provided By Used In Investing Activities us-gaap/2024 Net cash used in investing activities 0
0001130310-25-000079 20 31 UN 0 H Proceeds From Repayments Of Other Debt us-gaap/2024 Decrease in short-term borrowings, net 0
0001130310-25-000079 20 32 UN 0 H Repayments Of Long Term Debt us-gaap/2024 Payments of long-term debt and term loans, including make-whole premiums 1
0001130310-25-000079 20 33 UN 0 H Proceeds From Repayments Of Commercial Paper us-gaap/2024 Proceeds from commercial paper, net 0
0001130310-25-000079 20 34 UN 0 H Payments Of Dividends us-gaap/2024 Dividends to parent 1
0001130310-25-000079 20 35 UN 0 H Proceeds From Payments For Other Financing Activities us-gaap/2024 Other financing activities, net 0
0001130310-25-000079 20 36 UN 0 H Net Cash Provided By Used In Financing Activities us-gaap/2024 Net cash used in financing activities 0
0001130310-25-000079 20 37 UN 0 H Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect us-gaap/2024 Net Increase in Cash, Cash Equivalents and Restricted Cash 0
0001130310-25-000079 20 38 UN 0 H Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents us-gaap/2024 Cash, Cash Equivalents and Restricted Cash at Beginning of Period 0
0001130310-25-000079 20 39 UN 0 H Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents us-gaap/2024 Cash, Cash Equivalents and Restricted Cash at End of Period 0
0001130310-25-000079 20 41 UN 0 H Interest Paid Net us-gaap/2024 Cash paid for interest, net of capitalized interest 0
0001130310-25-000079 20 43 UN 0 H Capital Expenditures Incurred But Not Yet Paid us-gaap/2024 Accounts payable related to capital expenditures 0
0001130310-25-000079 21 13 UN 0 H Common Stock Shares Outstanding us-gaap/2024 Beginning balance (in shares) 0
0001130310-25-000079 21 14 UN 0 H Stockholders Equity us-gaap/2024 Beginning balance 0
0001130310-25-000079 21 15 UN 0 H Net Income Loss us-gaap/2024 Net income 0
0001130310-25-000079 21 16 UN 0 H Dividends Cash us-gaap/2024 Dividend to parent 1
0001130310-25-000079 21 17 UN 0 H Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent us-gaap/2024 Other comprehensive income (loss) 0
0001130310-25-000079 21 18 UN 0 H Common Stock Shares Outstanding us-gaap/2024 Ending balance (in shares) 0
0001130310-25-000079 21 19 UN 0 H Stockholders Equity us-gaap/2024 Ending balance 0

Description
Field Name Field Description
adsh Accession Number. The 20-character string formed from the 18-digit number assigned by the SEC to each EDGAR submission.
report Represents the report grouping. This field corresponds to the statement (stmt) field, which indicates the type of statement. The numeric value refers to the “R file” as posted on the EDGAR Web site.
line Represents the tag’s presentation line order for a given report. Together with the statement and report field, presentation location, order and grouping can be derived.
stmt The financial statement location to which the value of the “report” field pertains.
inpth Value was presented “parenthetically” instead of in columns within the financial statements. For example: Receivables (net of allowance for bad debts of $200 in 2012) $700.
rfile The type of interactive data file rendered on the EDGAR web site, H = .htm file, X = .xml file.
tag The tag chosen by the filer for this line item.
version The taxonomy identifier if the tag is a standard tag, otherwise adsh.
plabel The text presented on the line item, also known as a “preferred” label.
negating Flag to indicate whether the plabel is negating.