| Field | Row 1 |
|---|---|
| adsh | 0000784977-25-000074 |
| cik | 784977 |
| name | PORTLAND GENERAL ELECTRIC CO /OR/ |
| sic | 4911 |
| countryba | US |
| stprba | OR |
| cityba | PORTLAND |
| zipba | 97204 |
| bas1 | 121 SW SALMON ST |
| bas2 | 1WTC0501 |
| baph | 5034648000 |
| countryma | US |
| stprma | OR |
| cityma | PORTLAND |
| zipma | 97204 |
| mas1 | 121 SW SALMON STREET |
| mas2 | |
| countryinc | US |
| stprinc | OR |
| ein | 930256820 |
| former | |
| changed | |
| afs | 1-LAF |
| wksi | 0 |
| fye | 1231 |
| form | 10-Q |
| period | 20250331 |
| fy | 2025 |
| fp | Q1 |
| filed | 20250425 |
| accepted | 2025-04-24 17:56:00.0 |
| prevrpt | 0 |
| detail | 1 |
| instance | por-20250331_htm.xml |
| nciks | 1 |
| aciks |
| 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. |
| adsh | ddate | tag | value | uom | qtrs | version | segments | coreg | footnote |
|---|---|---|---|---|---|---|---|---|---|
| 0000784977-25-000074 | 20250331 | Accounts Receivable Net Current | 473000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Regulatory Assets Current | 19000000.0000 | USD | 0 | us-gaap/2024 | Regulatory Asset= Other Regulatory Assets Liabilities; | ||
| 0000784977-25-000074 | 20241231 | Assets Held In Trust Noncurrent | 34000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect | -1000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20231231 | Common Stock Shares Outstanding | 101159609.0000 | shares | 0 | us-gaap/2024 | Equity Components= Common Stock; | ||
| 0000784977-25-000074 | 20240331 | Deferred Income Tax Expense Benefit | 37000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Derivative Liabilities Current | 109000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20241231 | Derivative Liabilities Noncurrent | 72000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20240331 | Income Tax Expense Benefit | 13000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Interest Paid Net | 43000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Net Cash Provided By Used In Operating Activities | 231000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Other Liabilities Current | 437000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20241231 | Other Liabilities Noncurrent | 358000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20240331 | Other Noncash Income Expense | -22000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Other Postretirement Defined Benefit Plan Liabilities Noncurrent | 73000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20240331 | Payments To Acquire Property Plant And Equipment | 325000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20240331 | Proceeds From Issuance Or Sale Of Equity | 78000000.0000 | USD | 1 | us-gaap/2024 | Equity Components= Common Stock Including Additional Paid In Capital; | ||
| 0000784977-25-000074 | 20240331 | Proceeds From Repayments Of Commercial Paper | -146000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Profit Loss | 100000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Regulatory Assets Current | 0.0000 | USD | 0 | us-gaap/2024 | Regulatory Asset= Storm Costs R C E; | ||
| 0000784977-25-000074 | 20250331 | Regulatory Liability Noncurrent | 174000000.0000 | USD | 0 | us-gaap/2024 | Regulatory Liability= Deferred Income Tax Charges; | ||
| 0000784977-25-000074 | 20250331 | Regulatory Liability Noncurrent | 24000000.0000 | USD | 0 | us-gaap/2024 | Regulatory Liability= Other Regulatory Assets Liabilities; | ||
| 0000784977-25-000074 | 20240331 | Revenues | 929000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20231231 | Stockholders Equity Including Portion Attributable To Noncontrolling Interest | 1574000000.0000 | USD | 0 | us-gaap/2024 | Equity Components= Retained Earnings; | ||
| 0000784977-25-000074 | 20241231 | Stockholders Equity Including Portion Attributable To Noncontrolling Interest | -4000000.0000 | USD | 0 | us-gaap/2024 | Equity Components= Accumulated Other Comprehensive Income; | ||
| 0000784977-25-000074 | 20250331 | Utilities Operating Expense Maintenance And Operations | 110000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20240331 | Utilities Operating Expense Purchased Power | 405000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20241231 | Accumulated Other Comprehensive Income Loss Net Of Tax | -4000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20241231 | Assets Current | 1025000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Assets Current | 974000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Assets Held In Trust Noncurrent | 34000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents | 11000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Commitments And Contingencies | USD | 0 | us-gaap/2024 | ||||
| 0000784977-25-000074 | 20241231 | Common Stock Shares Authorized | 160000000.0000 | shares | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20241231 | Common Stock Shares Issued | 109342251.0000 | shares | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20241231 | Common Stock Shares Outstanding | 109342251.0000 | shares | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Common Stock Shares Outstanding | 109503325.0000 | shares | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20240331 | Costs And Expenses | 767000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Costs And Expenses | 760000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20241231 | Deferred Income Taxes And Other Tax Liabilities Noncurrent | 564000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Deferred Income Taxes And Other Tax Liabilities Noncurrent | 595000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20241231 | Derivative Liabilities Current | 147000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20241231 | Energy Related Inventory | 114000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20240331 | Increase Decrease In Inventories | 1000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20241231 | Liabilities | 8750000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20241231 | Liabilities Current | 1119000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Payments For Proceeds From Other Investing Activities | 15000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Payments To Acquire Property Plant And Equipment | 359000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20241231 | Preferred Stock Shares Authorized | 30000000.0000 | shares | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Proceeds From Issuance Of Long Term Debt | 310000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Proceeds From Repayments Of Commercial Paper | 0.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20241231 | Regulatory Assets Current | 0.0000 | USD | 0 | us-gaap/2024 | Regulatory Asset= Storm Costs Jan2024; | ||
| 0000784977-25-000074 | 20241231 | Regulatory Assets Current | 0.0000 | USD | 0 | us-gaap/2024 | Regulatory Asset= Storm Costs R C E; | ||
| 0000784977-25-000074 | 20250331 | Regulatory Assets Current | 13000000.0000 | USD | 0 | us-gaap/2024 | Regulatory Asset= Storm Costs; | ||
| 0000784977-25-000074 | 20241231 | Regulatory Assets Noncurrent | 90000000.0000 | USD | 0 | us-gaap/2024 | Regulatory Asset= Storm Costs R C E; | ||
| 0000784977-25-000074 | 20241231 | Accounts Receivable Net Current | 456000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Asset Retirement Obligation | 293000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Common Stock No Par Value | 0.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20241231 | Common Stock Value | 2118000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest | 100000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20240331 | Decoupling Mechanism Deferrals Net | 11000000.0000 | USD | 1 | 0000784977-25-000074 | |||
| 0000784977-25-000074 | 20250331 | Decoupling Mechanism Deferrals Net | 4000000.0000 | USD | 1 | 0000784977-25-000074 | |||
| 0000784977-25-000074 | 20240331 | Depreciation Depletion And Amortization | 121000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20240331 | Earnings Per Share Diluted | 1.0800 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Finance Lease Liability Current | 27000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20241231 | Finance Lease Liability Noncurrent | 276000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20240331 | Gain Loss On Sale Of Other Assets | 1000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | General And Administrative Expense | 96000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20240331 | Interest Paid Net | 26000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20241231 | Long Term Debt Current | 170000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Net Cash Provided By Used In Investing Activities | -376000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20240331 | Operating Income Loss | 162000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Operating Income Loss | 168000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20241231 | Other Assets Noncurrent | 478000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20241231 | Other Postretirement Defined Benefit Plan Liabilities Noncurrent | 74000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Payments Of Dividends | 55000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Preferred Stock Value | 0.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Proceeds From Issuance Or Sale Of Equity | 0.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20240331 | Proceeds From Payments For Other Financing Activities | -7000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20241231 | Regulatory Assets Current | 205000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20241231 | Regulatory Assets Current | 14000000.0000 | USD | 0 | us-gaap/2024 | Regulatory Asset= Storm Costs; | ||
| 0000784977-25-000074 | 20250331 | Regulatory Assets Current | 5000000.0000 | USD | 0 | us-gaap/2024 | Regulatory Asset= Fire; | ||
| 0000784977-25-000074 | 20250331 | Regulatory Assets Noncurrent | 84000000.0000 | USD | 0 | us-gaap/2024 | Regulatory Asset= Pension And Other Postretirement Plans Costs; | ||
| 0000784977-25-000074 | 20250331 | Regulatory Liability Noncurrent | 1210000000.0000 | USD | 0 | us-gaap/2024 | Regulatory Liability= Removal Costs; | ||
| 0000784977-25-000074 | 20250331 | Regulatory Liability Noncurrent | 4000000.0000 | USD | 0 | us-gaap/2024 | Regulatory Liability= Us Gaap_revenuerefund; | ||
| 0000784977-25-000074 | 20241231 | Retained Earnings Accumulated Deficit | 1680000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20240331 | Revenue From Contract With Customer Including Assessed Tax | 940000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20231231 | Stockholders Equity Including Portion Attributable To Noncontrolling Interest | -5000000.0000 | USD | 0 | us-gaap/2024 | Equity Components= Accumulated Other Comprehensive Income; | ||
| 0000784977-25-000074 | 20250331 | Taxes Excluding Income And Excise Taxes | 46000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Common Stock Shares Issued | 109503325.0000 | shares | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Defined Benefit Plan Funded Status Of Plan | -137000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Derivative Liabilities Noncurrent | 67000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Finance Lease Liability Noncurrent | 273000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Increase Decrease In Inventories | -3000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20240331 | Increase Decrease In Other Accounts Payable And Accrued Liabilities | 0.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20240331 | Increase Decrease In Receivables | 5000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Interest Expense | 56000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20240331 | Net Cash Provided By Used In Financing Activities | 327000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20240331 | Net Cash Provided By Used In Operating Activities | 175000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Other Assets Current | 215000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20240331 | Payments Of Dividends | 48000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Pension And Other Postretirement Benefit Expense | 2000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20241231 | Preferred Stock Value | 0.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20241231 | Public Utilities Property Plant And Equipment Net | 10345000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20241231 | Regulatory Assets Current | 6000000.0000 | USD | 0 | us-gaap/2024 | Regulatory Asset= Fire; | ||
| 0000784977-25-000074 | 20241231 | Regulatory Assets Current | 27000000.0000 | USD | 0 | us-gaap/2024 | Regulatory Asset= Other Regulatory Assets Liabilities; | ||
| 0000784977-25-000074 | 20241231 | Regulatory Assets Noncurrent | 70000000.0000 | USD | 0 | us-gaap/2024 | Regulatory Asset= Deferred Derivative Gain Loss; | ||
| 0000784977-25-000074 | 20241231 | Regulatory Assets Noncurrent | 44000000.0000 | USD | 0 | us-gaap/2024 | Regulatory Asset= Storm Costs; | ||
| 0000784977-25-000074 | 20250331 | Regulatory Assets Noncurrent | 162000000.0000 | USD | 0 | us-gaap/2024 | Regulatory Asset= Environmental Restoration Costs; | ||
| 0000784977-25-000074 | 20250331 | Regulatory Assets Noncurrent | 125000000.0000 | USD | 0 | us-gaap/2024 | Regulatory Asset= Other Regulatory Assets Liabilities; | ||
| 0000784977-25-000074 | 20241231 | Regulatory Liability Noncurrent | 40000000.0000 | USD | 0 | us-gaap/2024 | Regulatory Liability= Us Gaap_revenuerefund; | ||
| 0000784977-25-000074 | 20250331 | Revenue From Contract With Customer Including Assessed Tax | 932000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20240331 | Stockholders Equity Including Portion Attributable To Noncontrolling Interest | -4000000.0000 | USD | 0 | us-gaap/2024 | Equity Components= Accumulated Other Comprehensive Income; | ||
| 0000784977-25-000074 | 20240331 | Stockholders Equity Including Portion Attributable To Noncontrolling Interest | 1635000000.0000 | USD | 0 | us-gaap/2024 | Equity Components= Retained Earnings; | ||
| 0000784977-25-000074 | 20250331 | Stockholders Equity Including Portion Attributable To Noncontrolling Interest | 1725000000.0000 | USD | 0 | us-gaap/2024 | Equity Components= Retained Earnings; | ||
| 0000784977-25-000074 | 20250331 | Weighted Average Number Of Diluted Shares Outstanding | 109683000.0000 | shares | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Regulatory Assets Noncurrent | 43000000.0000 | USD | 0 | us-gaap/2024 | Regulatory Asset= Storm Costs; | ||
| 0000784977-25-000074 | 20250331 | Regulatory Assets Noncurrent | 46000000.0000 | USD | 0 | us-gaap/2024 | Regulatory Asset= Storm Costs Jan2024; | ||
| 0000784977-25-000074 | 20241231 | Regulatory Liability Noncurrent | 22000000.0000 | USD | 0 | us-gaap/2024 | Regulatory Liability= Other Regulatory Assets Liabilities; | ||
| 0000784977-25-000074 | 20240331 | Repayments Of Long Term Debt | 0.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20231231 | Stockholders Equity Including Portion Attributable To Noncontrolling Interest | 3319000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20240331 | Stockholders Equity Including Portion Attributable To Noncontrolling Interest | 1828000000.0000 | USD | 0 | us-gaap/2024 | Equity Components= Common Stock Including Additional Paid In Capital; | ||
| 0000784977-25-000074 | 20250331 | Accounts Payable Current | 281000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20241231 | Asset Retirement Obligation | 292000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20241231 | Assets | 12544000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20240331 | Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents | 176000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Decommissioning Fund Investments | 44000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Depreciation Depletion And Amortization | 140000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Gain Loss On Sale Of Other Assets | -3000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest | 122000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20240331 | Increase Decrease In Other Operating Assets | 28000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20240331 | Increase Decrease In Other Operating Capital Net | 16000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20240331 | Interest Expense | 51000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Liabilities And Stockholders Equity | 12695000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Liabilities Current | 922000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20241231 | Long Term Debt Noncurrent | 4354000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Long Term Debt Noncurrent | 4663000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Other Assets Noncurrent | 476000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Other Liabilities Noncurrent | 357000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20240331 | Other Nonoperating Income Expense | 6000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20240331 | Payments For Proceeds From Other Investing Activities | 6000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20240331 | Payments To Acquire Investments | 0.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20240331 | Pension And Other Postretirement Benefit Expense | 1000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Preferred Stock No Par Value | 0.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Proceeds From Payments For Other Financing Activities | -9000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20240331 | Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity | 5000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20241231 | Regulatory Assets Current | 43000000.0000 | USD | 0 | us-gaap/2024 | Regulatory Asset= Wildfire; | ||
| 0000784977-25-000074 | 20250331 | Regulatory Assets Current | 44000000.0000 | USD | 0 | us-gaap/2024 | Regulatory Asset= Wildfire; | ||
| 0000784977-25-000074 | 20241231 | Regulatory Assets Noncurrent | 632000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20241231 | Regulatory Assets Noncurrent | 161000000.0000 | USD | 0 | us-gaap/2024 | Regulatory Asset= Environmental Restoration Costs; | ||
| 0000784977-25-000074 | 20241231 | Regulatory Assets Noncurrent | 119000000.0000 | USD | 0 | us-gaap/2024 | Regulatory Asset= Other Regulatory Assets Liabilities; | ||
| 0000784977-25-000074 | 20250331 | Regulatory Assets Noncurrent | 633000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Regulatory Assets Noncurrent | 18000000.0000 | USD | 0 | us-gaap/2024 | Regulatory Asset= Fire; | ||
| 0000784977-25-000074 | 20250331 | Regulatory Assets Noncurrent | 95000000.0000 | USD | 0 | us-gaap/2024 | Regulatory Asset= Storm Costs R C E; | ||
| 0000784977-25-000074 | 20241231 | Regulatory Liability Noncurrent | 1440000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20241231 | Regulatory Liability Noncurrent | 1199000000.0000 | USD | 0 | us-gaap/2024 | Regulatory Liability= Removal Costs; | ||
| 0000784977-25-000074 | 20250331 | Retained Earnings Accumulated Deficit | 1725000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20241231 | Stockholders Equity Including Portion Attributable To Noncontrolling Interest | 3794000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Stockholders Equity Including Portion Attributable To Noncontrolling Interest | 2123000000.0000 | USD | 0 | us-gaap/2024 | Equity Components= Common Stock Including Additional Paid In Capital; | ||
| 0000784977-25-000074 | 20250331 | Utilities Operating Expense Purchased Power | 368000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20240331 | Weighted Average Number Of Diluted Shares Outstanding | 101467000.0000 | shares | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20241231 | Common Stock No Par Value | 0.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Common Stock Shares Authorized | 160000000.0000 | shares | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20240331 | Common Stock Shares Outstanding | 103023507.0000 | shares | 0 | us-gaap/2024 | Equity Components= Common Stock; | ||
| 0000784977-25-000074 | 20241231 | Deferred Investment Tax Credits | 61000000.0000 | USD | 0 | 0000784977-25-000074 | |||
| 0000784977-25-000074 | 20250331 | Deferred Investment Tax Credits | 59000000.0000 | USD | 0 | 0000784977-25-000074 | |||
| 0000784977-25-000074 | 20250331 | Energy Related Inventory | 111000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20241231 | Finance Lease Liability Current | 27000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Income Taxes Paid Net | -1000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Increase Decrease In Other Regulatory Assets | 5000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Increase Decrease In Regulatory Liabilities | -8000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Long Term Debt Current | 68000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Net Cash Provided By Used In Financing Activities | 144000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Nonoperating Income Expense | 10000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20240331 | Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax | 1000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Other Noncash Income Expense | -30000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20241231 | Preferred Stock Shares Issued | 0.0000 | shares | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20241231 | Preferred Stock Shares Outstanding | 0.0000 | shares | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20240331 | Proceeds From Issuance Of Long Term Debt | 450000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Profit Loss | 100000000.0000 | USD | 1 | us-gaap/2024 | Equity Components= Retained Earnings; | ||
| 0000784977-25-000074 | 20250331 | Regulatory Assets Current | 0.0000 | USD | 0 | us-gaap/2024 | Regulatory Asset= Environmental Restoration Costs; | ||
| 0000784977-25-000074 | 20241231 | Regulatory Assets Noncurrent | 84000000.0000 | USD | 0 | us-gaap/2024 | Regulatory Asset= Pension And Other Postretirement Plans Costs; | ||
| 0000784977-25-000074 | 20241231 | Regulatory Assets Noncurrent | 46000000.0000 | USD | 0 | us-gaap/2024 | Regulatory Asset= Storm Costs Jan2024; | ||
| 0000784977-25-000074 | 20250331 | Regulatory Assets Noncurrent | 0.0000 | USD | 0 | us-gaap/2024 | Regulatory Asset= Wildfire; | ||
| 0000784977-25-000074 | 20250331 | Regulatory Liability Noncurrent | 1412000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20241231 | Stockholders Equity Including Portion Attributable To Noncontrolling Interest | 2118000000.0000 | USD | 0 | us-gaap/2024 | Equity Components= Common Stock Including Additional Paid In Capital; | ||
| 0000784977-25-000074 | 20250331 | Stockholders Equity Including Portion Attributable To Noncontrolling Interest | 3844000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Stockholders Equity Including Portion Attributable To Noncontrolling Interest | -4000000.0000 | USD | 0 | us-gaap/2024 | Equity Components= Accumulated Other Comprehensive Income; | ||
| 0000784977-25-000074 | 20240331 | Taxes Excluding Income And Excise Taxes | 47000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20240331 | Utilities Operating Expense Maintenance And Operations | 99000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Weighted Average Number Of Shares Outstanding Basic | 109423000.0000 | shares | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20240331 | Assets | 11588000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20241231 | Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents | 12000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20240331 | Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect | 171000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20241231 | Common Stock Shares Outstanding | 109342251.0000 | shares | 0 | us-gaap/2024 | Equity Components= Common Stock; | ||
| 0000784977-25-000074 | 20250331 | Common Stock Value | 2123000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20240331 | Contract With Customer Liability Cumulative Catch Up Adjustment To Revenue Change In Estimate Of Transaction Price | -11000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Contract With Customer Liability Cumulative Catch Up Adjustment To Revenue Change In Estimate Of Transaction Price | -4000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20241231 | Defined Benefit Plan Funded Status Of Plan | -140000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Earnings Per Share Diluted | 0.9100 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Income Tax Expense Benefit | 22000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20240331 | Increase Decrease In Accounts Payable | 24000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20240331 | Increase Decrease In Margin Deposits Outstanding | -27000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Increase Decrease In Other Operating Capital Net | 28000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20240331 | Increase Decrease In Other Regulatory Assets | 120000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20240331 | Increase Decrease In Regulatory Liabilities | -3000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20240331 | Nonoperating Income Expense | 11000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20240331 | Profit Loss | 109000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20240331 | Profit Loss | 109000000.0000 | USD | 1 | us-gaap/2024 | Equity Components= Retained Earnings; | ||
| 0000784977-25-000074 | 20250331 | Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax | 0.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20241231 | Other Liabilities Current | 410000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Payments To Acquire Investments | 2000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Preferred Stock Shares Authorized | 30000000.0000 | shares | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Preferred Stock Shares Outstanding | 0.0000 | shares | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20240331 | Proceeds From Issuance Or Sale Of Equity | 78000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Public Utilities Property Plant And Equipment Net | 10534000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20241231 | Regulatory Assets Current | 115000000.0000 | USD | 0 | us-gaap/2024 | Regulatory Asset= Deferred Derivative Gain Loss; | ||
| 0000784977-25-000074 | 20250331 | Regulatory Assets Current | 0.0000 | USD | 0 | us-gaap/2024 | Regulatory Asset= Pension And Other Postretirement Plans Costs; | ||
| 0000784977-25-000074 | 20250331 | Repayments Of Long Term Debt | 102000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Revenues | 928000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20240331 | Stockholders Equity Including Portion Attributable To Noncontrolling Interest | 3459000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20240331 | Weighted Average Number Of Shares Outstanding Basic | 101299000.0000 | shares | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20241231 | Accounts Payable Current | 365000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Accumulated Other Comprehensive Income Loss Net Of Tax | -4000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Assets | 12695000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20231231 | Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents | 5000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20241231 | Commitments And Contingencies | USD | 0 | us-gaap/2024 | ||||
| 0000784977-25-000074 | 20250331 | Common Stock Shares Outstanding | 109503325.0000 | shares | 0 | us-gaap/2024 | Equity Components= Common Stock; | ||
| 0000784977-25-000074 | 20240331 | Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest | 110000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20241231 | Decommissioning Fund Investments | 30000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Deferred Income Tax Expense Benefit | 20000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20240331 | General And Administrative Expense | 95000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20240331 | Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest | 122000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20240331 | Income Taxes Paid Net | 2000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Increase Decrease In Accounts Payable | -37000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Increase Decrease In Margin Deposits Outstanding | -55000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Increase Decrease In Other Accounts Payable And Accrued Liabilities | 5000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Increase Decrease In Other Operating Assets | 23000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Increase Decrease In Receivables | 25000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Liabilities | 8851000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20241231 | Liabilities And Stockholders Equity | 12544000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20240331 | Net Cash Provided By Used In Investing Activities | -331000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20241231 | Other Assets Current | 238000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Other Nonoperating Income Expense | 5000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20241231 | Preferred Stock No Par Value | 0.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Preferred Stock Shares Issued | 0.0000 | shares | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity | 5000000.0000 | USD | 1 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20241231 | Regulatory Assets Current | 0.0000 | USD | 0 | us-gaap/2024 | Regulatory Asset= Environmental Restoration Costs; | ||
| 0000784977-25-000074 | 20241231 | Regulatory Assets Current | 0.0000 | USD | 0 | us-gaap/2024 | Regulatory Asset= Pension And Other Postretirement Plans Costs; | ||
| 0000784977-25-000074 | 20250331 | Regulatory Assets Current | 164000000.0000 | USD | 0 | us-gaap/2024 | |||
| 0000784977-25-000074 | 20250331 | Regulatory Assets Current | 83000000.0000 | USD | 0 | us-gaap/2024 | Regulatory Asset= Deferred Derivative Gain Loss; | ||
| 0000784977-25-000074 | 20250331 | Regulatory Assets Current | 0.0000 | USD | 0 | us-gaap/2024 | Regulatory Asset= Storm Costs Jan2024; | ||
| 0000784977-25-000074 | 20241231 | Regulatory Assets Noncurrent | 18000000.0000 | USD | 0 | us-gaap/2024 | Regulatory Asset= Fire; | ||
| 0000784977-25-000074 | 20241231 | Regulatory Assets Noncurrent | 0.0000 | USD | 0 | us-gaap/2024 | Regulatory Asset= Wildfire; | ||
| 0000784977-25-000074 | 20250331 | Regulatory Assets Noncurrent | 60000000.0000 | USD | 0 | us-gaap/2024 | Regulatory Asset= Deferred Derivative Gain Loss; | ||
| 0000784977-25-000074 | 20241231 | Regulatory Liability Noncurrent | 179000000.0000 | USD | 0 | us-gaap/2024 | Regulatory Liability= Deferred Income Tax Charges; | ||
| 0000784977-25-000074 | 20231231 | Stockholders Equity Including Portion Attributable To Noncontrolling Interest | 1750000000.0000 | USD | 0 | us-gaap/2024 | Equity Components= Common Stock Including Additional Paid In Capital; | ||
| 0000784977-25-000074 | 20241231 | Stockholders Equity Including Portion Attributable To Noncontrolling Interest | 1680000000.0000 | USD | 0 | us-gaap/2024 | Equity Components= Retained Earnings; |
| 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. |
| tag | version | custom | abstract | datatype | iord | crdr | tlabel | doc |
|---|---|---|---|---|---|---|---|---|
| Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest | us-gaap/2024 | 0 | 0 | monetary | D | C | Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest | Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income. Excludes changes in equity resulting from investments by owners and distributions to owners. |
| 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. |
| 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. |
| Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax | us-gaap/2024 | 0 | 0 | monetary | D | C | Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, after Tax | Amount, after tax, of gain (loss) for (increase) decrease in value of benefit obligation for change in actuarial assumptions and increase (decrease) in value of plan assets from experience different from that assumed of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit. |
| 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. |
| 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. |
| Proceeds From Issuance Or Sale Of Equity | us-gaap/2024 | 0 | 0 | monetary | D | D | Proceeds from Issuance or Sale of Equity | The cash inflow from the issuance of common stock, preferred stock, treasury stock, stock options, and other types of equity. |
| 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. |
| Stockholders Equity Including Portion Attributable To Noncontrolling Interest | us-gaap/2024 | 0 | 0 | monetary | I | C | Equity, Including Portion Attributable to Noncontrolling Interest | Amount of equity (deficit) attributable to parent and noncontrolling interest. Excludes temporary equity. |
| Decoupling Mechanism Deferrals Net | 0000784977-25-000074 | 1 | 0 | monetary | D | D | Decoupling Mechanism Deferrals, Net | The deferral, which can be either a positive or negaitive amount depending on whether a collection from or refund to customers results, of the amounts recorded in net income for energy useage by customers on a weather adjusted basis that is different from base rates as determined under the Company's decoupling mechanism, expected to be recovered or refunded in future periods. |
| Finance Lease Liability Noncurrent | us-gaap/2024 | 0 | 0 | monetary | I | C | Finance Lease, Liability, Noncurrent | Present value of lessee's discounted obligation for lease payments from finance lease, classified as noncurrent. |
| 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. |
| Increase Decrease In Margin Deposits Outstanding | us-gaap/2024 | 0 | 0 | monetary | D | C | Increase (Decrease) in Margin Deposits Outstanding | The increase (decrease) during the reporting period in money or securities placed with a broker or counterparty as security for a trading or derivative position. |
| Increase Decrease In Regulatory Liabilities | us-gaap/2024 | 0 | 0 | monetary | D | D | Increase (Decrease) in Regulatory Liabilities | The increase (decrease) during the reporting period in regulated liabilities. Regulated liabilities are created when regulatory agency permits an entity to defer revenues to the balance sheet. |
| Liabilities | us-gaap/2024 | 0 | 0 | monetary | I | C | Liabilities | Amount of liability recognized for present obligation requiring transfer or otherwise providing economic benefit to others. |
| 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. |
| 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. |
| Public Utilities Property Plant And Equipment Net | us-gaap/2024 | 0 | 0 | monetary | I | D | Public Utilities, Property, Plant and Equipment, Net | Period end amount of total net PPE. |
| 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. |
| 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. | |
| Contract With Customer Liability Cumulative Catch Up Adjustment To Revenue Change In Estimate Of Transaction Price | us-gaap/2024 | 0 | 0 | monetary | D | C | Contract with Customer, Liability, Cumulative Catch-up Adjustment to Revenue, Change in Estimate of Transaction Price | Amount of increase (decrease) in revenue recognized for cumulative catch-up adjustment from change in estimate of transaction price which (increases) decreases obligation to transfer good or service to customer for which consideration from customer has been received or is due. Includes, but is not limited to, change in assessment of whether estimate of variable consideration is constrained. |
| Derivative Liabilities Current | us-gaap/2024 | 0 | 0 | monetary | I | C | Derivative Liability, Current | Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset. |
| 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. |
| Increase Decrease In Receivables | us-gaap/2024 | 0 | 0 | monetary | D | C | Increase (Decrease) in Receivables | The increase (decrease) during the reporting period in the total amount due within one year (or one operating cycle) from all parties, associated with underlying transactions that are classified as operating activities. |
| Payments To Acquire Investments | us-gaap/2024 | 0 | 0 | monetary | D | C | Payments to Acquire Investments | The cash outflow associated with the purchase of all investments (debt, security, other) during the period. |
| 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. |
| Utilities Operating Expense Maintenance And Operations | us-gaap/2024 | 0 | 0 | monetary | D | D | Utilities Operating Expense, Maintenance and Operations | Amount of operating expense for routine plant maintenance, repairs and operations of regulated operation. |
| 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. | |
| Assets | us-gaap/2024 | 0 | 0 | monetary | I | D | Assets | Amount of asset recognized for present right to economic benefit. |
| Common Stock Shares Issued | us-gaap/2024 | 0 | 0 | shares | I | Common Stock, Shares, Issued | Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury. | |
| 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. | |
| Interest Expense | us-gaap/2024 | 0 | 0 | monetary | D | D | Interest Expense, Operating and Nonoperating | Amount of interest expense classified as operating and nonoperating. Includes, but is not limited to, cost of borrowing accounted for as interest expense. |
| 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. |
| Assets Held In Trust Noncurrent | us-gaap/2024 | 0 | 0 | monetary | I | D | Asset, Held-in-Trust, Noncurrent | The amount of cash, securities, or other assets held by a third-party trustee pursuant to the terms of an agreement which assets are available to be used by beneficiaries to that agreement only within the specific terms thereof and which agreement is expected to terminate more than one year from the balance sheet date (or operating cycle, if longer) at which time the assets held-in-trust will be released or forfeited. |
| 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. |
| Utilities Operating Expense Purchased Power | us-gaap/2024 | 0 | 0 | monetary | D | D | Utilities Operating Expense, Purchased Power | Amount of operating expense for purchased power of regulated operation. |
| Increase Decrease In Other Accounts Payable And Accrued Liabilities | us-gaap/2024 | 0 | 0 | monetary | D | D | Increase (Decrease) in Other Accounts Payable and Accrued Liabilities | The increase (decrease) during the reporting period in other obligations or expenses incurred but not yet paid. |
| Defined Benefit Plan Funded Status Of Plan | us-gaap/2024 | 0 | 0 | monetary | I | D | Defined Benefit Plan, Funded (Unfunded) Status of Plan | Amount of funded (unfunded) status of defined benefit plan, measured as difference between fair value of plan assets and benefit obligation. Includes, but is not limited to, overfunded (underfunded) status. |
| 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. |
| Derivative Liabilities Noncurrent | us-gaap/2024 | 0 | 0 | monetary | I | C | Derivative Liability, Noncurrent | Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled after one year or the normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset. |
| Increase Decrease In Other Operating Assets | us-gaap/2024 | 0 | 0 | monetary | D | C | Increase (Decrease) in Other Operating Assets | Amount of increase (decrease) in operating assets classified as other. |
| Increase Decrease In Other Operating Capital Net | us-gaap/2024 | 0 | 0 | monetary | D | C | Increase (Decrease) in Other Operating Assets and Liabilities, Net | Amount of increase (decrease) in operating assets after deduction of operating liabilities classified as other. |
| Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity | us-gaap/2024 | 0 | 0 | monetary | D | C | Public Utilities, Allowance for Funds Used During Construction, Capitalized Cost of Equity | The component of the allowance for funds used during construction during the period based on an assumed rate of return on equity funds used in financing the construction of regulated assets. |
| 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. |
| Pension And Other Postretirement Benefit Expense | us-gaap/2024 | 0 | 0 | monetary | D | D | Pension and Other Postretirement Benefits Cost (Reversal of Cost) | Amount of cost (reversal of cost) for pension and other postretirement benefits. |
| Preferred Stock Shares Issued | us-gaap/2024 | 0 | 0 | shares | I | Preferred Stock, Shares Issued | Number of shares issued for nonredeemable preferred shares and preferred shares redeemable solely at option of issuer. Includes, but is not limited to, preferred shares issued, repurchased, and held as treasury shares. Excludes preferred shares classified as debt. | |
| 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. |
| 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. |
| 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. |
| 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 Noncash Income Expense | us-gaap/2024 | 0 | 0 | monetary | D | C | Other Noncash Income (Expense) | Amount of income (expense) included in net income that results in no cash inflow (outflow), classified as other. |
| Profit Loss | us-gaap/2024 | 0 | 0 | monetary | D | C | Net Income (Loss), Including Portion Attributable to Noncontrolling Interest | The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. |
| Preferred Stock Value | us-gaap/2024 | 0 | 0 | monetary | I | C | Preferred Stock, Value, Issued | Aggregate par or stated value of issued nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity. |
| Common Stock No Par Value | us-gaap/2024 | 0 | 0 | perShare | I | Common Stock, No Par Value | Face amount per share of no-par value common stock. | |
| 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. |
| Increase Decrease In Other Regulatory Assets | us-gaap/2024 | 0 | 0 | monetary | D | C | Increase (Decrease) in Other Regulatory Assets | The increase (decrease) during the reporting period in the value of other assets that are created when regulatory agencies permits public utilities to defer costs to the balance sheet. |
| Deferred Investment Tax Credits | 0000784977-25-000074 | 1 | 0 | monetary | I | C | Deferred investment tax credits | Deferred investment tax credits |
| 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 Assets Current | us-gaap/2024 | 0 | 0 | monetary | I | D | Other Assets, Current | Amount of current assets classified as other. |
| 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 Postretirement Defined Benefit Plan Liabilities Noncurrent | us-gaap/2024 | 0 | 0 | monetary | I | C | Liability, Other Postretirement Defined Benefit Plan, Noncurrent | Amount of liability, recognized in statement of financial position, for defined benefit other postretirement plan, classified as noncurrent. Excludes pension plan. |
| 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. |
| 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. |
| 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. |
| Energy Related Inventory | us-gaap/2024 | 0 | 0 | monetary | I | D | Energy Related Inventory | Carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies relating to a source of usable power held for future sale or future use in manufacturing or production process. |
| General And Administrative Expense | us-gaap/2024 | 0 | 0 | monetary | D | D | General and Administrative Expense | The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line. |
| 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. | |
| Decommissioning Fund Investments | us-gaap/2024 | 0 | 0 | monetary | I | D | Decommissioning Fund Investments | Decommission fund to pay for the costs of decontaminating and decommissioning of facilities through collection of revenues derived from utility assessments and government appropriations. Decommission fund investment for the process whereby a power station, at the end of its economic life, is taken permanently out of service and its site made available for other purposes. In the case of a nuclear station this comprises three different states of clearance. Immediately after the final closure, radioactive material such as nuclear fuel and operational waste is removed and the buildings surrounding the reactor shield are dismantled and finally the reactor itself is dismantled. |
| 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. |
| 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. |
| Preferred Stock No Par Value | us-gaap/2024 | 0 | 0 | perShare | I | Preferred Stock, No Par Value | Face amount per share of no-par value preferred stock nonredeemable or redeemable solely at the option of the issuer. | |
| Preferred Stock Shares Authorized | us-gaap/2024 | 0 | 0 | shares | I | Preferred Stock, Shares Authorized | The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws. | |
| Preferred Stock Shares Outstanding | us-gaap/2024 | 0 | 0 | shares | I | Preferred Stock, Shares Outstanding | Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased. | |
| Revenue From Contract With Customer Including Assessed Tax | us-gaap/2024 | 0 | 0 | monetary | D | C | Revenue from Contract with Customer, Including Assessed Tax | Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise. |
| Asset Retirement Obligation | us-gaap/2024 | 0 | 0 | monetary | I | C | Asset Retirement Obligation | The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees. |
| Deferred Income Taxes And Other Tax Liabilities Noncurrent | us-gaap/2024 | 0 | 0 | monetary | I | C | Deferred Income Taxes and Other Tax Liabilities, Noncurrent | Amount of deferred tax liability attributable to taxable temporary differences, after deferred tax asset, and other tax liabilities expected to be paid after one year or operating cycle, if longer. |
| Finance Lease Liability Current | us-gaap/2024 | 0 | 0 | monetary | I | C | Finance Lease, Liability, Current | Present value of lessee's discounted obligation for lease payments from finance lease, classified as current. |
| 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 Current | us-gaap/2024 | 0 | 0 | monetary | I | C | Long-Term Debt, Current Maturities | Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as current. Excludes lease obligation. |
| 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. | |
| 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. |
| 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. |
| adsh | report | line | stmt | inpth | rfile | tag | version | plabel | negating |
|---|---|---|---|---|---|---|---|---|---|
| 0000784977-25-000074 | 2 | 3 | IS | 0 | H | Revenue From Contract With Customer Including Assessed Tax | us-gaap/2024 | Revenue, net | 0 |
| 0000784977-25-000074 | 2 | 4 | IS | 0 | H | Contract With Customer Liability Cumulative Catch Up Adjustment To Revenue Change In Estimate Of Transaction Price | us-gaap/2024 | Alternative revenue programs, net of amortization | 0 |
| 0000784977-25-000074 | 2 | 5 | IS | 0 | H | Revenues | us-gaap/2024 | Total revenues | 0 |
| 0000784977-25-000074 | 2 | 7 | IS | 0 | H | Utilities Operating Expense Purchased Power | us-gaap/2024 | Purchased power and fuel | 0 |
| 0000784977-25-000074 | 2 | 8 | IS | 0 | H | Utilities Operating Expense Maintenance And Operations | us-gaap/2024 | Generation, transmission and distribution | 0 |
| 0000784977-25-000074 | 2 | 9 | IS | 0 | H | General And Administrative Expense | us-gaap/2024 | Administrative and other | 0 |
| 0000784977-25-000074 | 2 | 10 | IS | 0 | H | Depreciation Depletion And Amortization | us-gaap/2024 | Depreciation and amortization | 0 |
| 0000784977-25-000074 | 2 | 11 | IS | 0 | H | Taxes Excluding Income And Excise Taxes | us-gaap/2024 | Taxes other than income taxes | 0 |
| 0000784977-25-000074 | 2 | 12 | IS | 0 | H | Costs And Expenses | us-gaap/2024 | Total operating expenses | 0 |
| 0000784977-25-000074 | 2 | 13 | IS | 0 | H | Operating Income Loss | us-gaap/2024 | Income from operations | 0 |
| 0000784977-25-000074 | 2 | 14 | IS | 0 | H | Interest Expense | us-gaap/2024 | Interest expense, net | 0 |
| 0000784977-25-000074 | 2 | 16 | IS | 0 | H | Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity | us-gaap/2024 | Allowance for equity funds used during construction | 0 |
| 0000784977-25-000074 | 2 | 17 | IS | 0 | H | Other Nonoperating Income Expense | us-gaap/2024 | Miscellaneous income (loss), net | 0 |
| 0000784977-25-000074 | 2 | 18 | IS | 0 | H | Nonoperating Income Expense | us-gaap/2024 | Other income, net | 0 |
| 0000784977-25-000074 | 2 | 19 | IS | 0 | H | Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest | us-gaap/2024 | Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest, Total | 0 |
| 0000784977-25-000074 | 2 | 20 | IS | 0 | H | Income Tax Expense Benefit | us-gaap/2024 | Income tax expense | 0 |
| 0000784977-25-000074 | 2 | 21 | IS | 0 | H | Profit Loss | us-gaap/2024 | Net income | 0 |
| 0000784977-25-000074 | 2 | 22 | IS | 0 | H | Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax | us-gaap/2024 | Other comprehensive Income | 0 |
| 0000784977-25-000074 | 2 | 23 | IS | 0 | H | Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest | us-gaap/2024 | Comprehensive Income | 0 |
| 0000784977-25-000074 | 2 | 25 | IS | 0 | H | Weighted Average Number Of Shares Outstanding Basic | us-gaap/2024 | Basic | 0 |
| 0000784977-25-000074 | 2 | 26 | IS | 0 | H | Weighted Average Number Of Diluted Shares Outstanding | us-gaap/2024 | Diluted | 0 |
| 0000784977-25-000074 | 2 | 28 | IS | 0 | H | Earnings Per Share Diluted | us-gaap/2024 | Diluted | 0 |
| 0000784977-25-000074 | 3 | 5 | BS | 0 | H | Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents | us-gaap/2024 | Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents | 0 |
| 0000784977-25-000074 | 3 | 6 | BS | 0 | H | Accounts Receivable Net Current | us-gaap/2024 | Accounts receivable, net | 0 |
| 0000784977-25-000074 | 3 | 7 | BS | 0 | H | Energy Related Inventory | us-gaap/2024 | Inventories | 0 |
| 0000784977-25-000074 | 3 | 8 | BS | 0 | H | Regulatory Assets Current | us-gaap/2024 | Regulatory assets - current | 0 |
| 0000784977-25-000074 | 3 | 9 | BS | 0 | H | Other Assets Current | us-gaap/2024 | Other current assets | 0 |
| 0000784977-25-000074 | 3 | 10 | BS | 0 | H | Assets Current | us-gaap/2024 | Total current assets | 0 |
| 0000784977-25-000074 | 3 | 11 | BS | 0 | H | Public Utilities Property Plant And Equipment Net | us-gaap/2024 | Electric utility plant, net | 0 |
| 0000784977-25-000074 | 3 | 12 | BS | 0 | H | Regulatory Assets Noncurrent | us-gaap/2024 | Regulatory assets - noncurrent | 0 |
| 0000784977-25-000074 | 3 | 13 | BS | 0 | H | Decommissioning Fund Investments | us-gaap/2024 | Nuclear decommissioning trust | 0 |
| 0000784977-25-000074 | 3 | 14 | BS | 0 | H | Assets Held In Trust Noncurrent | us-gaap/2024 | Non-qualified benefit plan trust | 0 |
| 0000784977-25-000074 | 3 | 15 | BS | 0 | H | Other Assets Noncurrent | us-gaap/2024 | Other noncurrent assets | 0 |
| 0000784977-25-000074 | 3 | 16 | BS | 0 | H | Assets | us-gaap/2024 | Total assets | 0 |
| 0000784977-25-000074 | 3 | 19 | BS | 0 | H | Accounts Payable Current | us-gaap/2024 | Accounts payable | 0 |
| 0000784977-25-000074 | 3 | 20 | BS | 0 | H | Derivative Liabilities Current | us-gaap/2024 | Liabilities from price risk mangement activities - current | 0 |
| 0000784977-25-000074 | 3 | 21 | BS | 0 | H | Long Term Debt Current | us-gaap/2024 | Current portion of long-term debt | 0 |
| 0000784977-25-000074 | 3 | 22 | BS | 0 | H | Finance Lease Liability Current | us-gaap/2024 | Current portion of finance lease obligation | 0 |
| 0000784977-25-000074 | 3 | 23 | BS | 0 | H | Other Liabilities Current | us-gaap/2024 | Accrued expenses and other current liabilities | 0 |
| 0000784977-25-000074 | 3 | 24 | BS | 0 | H | Liabilities Current | us-gaap/2024 | Total current liabilities | 0 |
| 0000784977-25-000074 | 3 | 25 | BS | 0 | H | Long Term Debt Noncurrent | us-gaap/2024 | Long-term debt, net of current portion | 0 |
| 0000784977-25-000074 | 3 | 26 | BS | 0 | H | Regulatory Liability Noncurrent | us-gaap/2024 | Regulatory liabilities-noncurrent | 0 |
| 0000784977-25-000074 | 3 | 27 | BS | 0 | H | Deferred Income Taxes And Other Tax Liabilities Noncurrent | us-gaap/2024 | Deferred income taxes | 0 |
| 0000784977-25-000074 | 3 | 28 | BS | 0 | H | Deferred Investment Tax Credits | 0000784977-25-000074 | Deferred investment tax credits | 0 |
| 0000784977-25-000074 | 3 | 29 | BS | 0 | H | Defined Benefit Plan Funded Status Of Plan | us-gaap/2024 | Unfunded status of pension and psotretirement plans | 1 |
| 0000784977-25-000074 | 3 | 30 | BS | 0 | H | Derivative Liabilities Noncurrent | us-gaap/2024 | Liabilities from price risk management activities-noncurrent | 0 |
| 0000784977-25-000074 | 3 | 31 | BS | 0 | H | Asset Retirement Obligation | us-gaap/2024 | Asset retirement obligations | 0 |
| 0000784977-25-000074 | 3 | 32 | BS | 0 | H | Other Postretirement Defined Benefit Plan Liabilities Noncurrent | us-gaap/2024 | Non-qualified benefit plan liabilities | 0 |
| 0000784977-25-000074 | 3 | 33 | BS | 0 | H | Finance Lease Liability Noncurrent | us-gaap/2024 | Finance lease obligations, net of current portion | 0 |
| 0000784977-25-000074 | 3 | 34 | BS | 0 | H | Other Liabilities Noncurrent | us-gaap/2024 | Other noncurrent liabilities | 0 |
| 0000784977-25-000074 | 3 | 35 | BS | 0 | H | Liabilities | us-gaap/2024 | Total liabilities | 0 |
| 0000784977-25-000074 | 3 | 36 | BS | 0 | H | Commitments And Contingencies | us-gaap/2024 | Commitments and contingencies (see notes) | 0 |
| 0000784977-25-000074 | 3 | 38 | BS | 0 | H | Preferred Stock Value | us-gaap/2024 | Preferred stock, no par value, 30,000,000 shares authorized; none issued and outstanding as of September 30, 2024 and December 31, 2023 | 0 |
| 0000784977-25-000074 | 3 | 39 | BS | 0 | H | Common Stock Value | us-gaap/2024 | Common stock, no par value, 160,000,000 shares authorized; 105,455,590 and 101,159,609 shares issued and outstanding as of September 30 2024 and December 31, 2023, respectively | 0 |
| 0000784977-25-000074 | 3 | 40 | BS | 0 | H | Accumulated Other Comprehensive Income Loss Net Of Tax | us-gaap/2024 | Accumulated other comprehensive loss | 0 |
| 0000784977-25-000074 | 3 | 41 | BS | 0 | H | Retained Earnings Accumulated Deficit | us-gaap/2024 | Retained earnings | 0 |
| 0000784977-25-000074 | 3 | 42 | BS | 0 | H | Stockholders Equity Including Portion Attributable To Noncontrolling Interest | us-gaap/2024 | Total shareholders' equity | 0 |
| 0000784977-25-000074 | 3 | 43 | BS | 0 | H | Liabilities And Stockholders Equity | us-gaap/2024 | Total liabilities and shareholders' equity | 0 |
| 0000784977-25-000074 | 4 | 3 | BS | 1 | H | Preferred Stock No Par Value | us-gaap/2024 | Preferred stock, no par value | 0 |
| 0000784977-25-000074 | 4 | 4 | BS | 1 | H | Preferred Stock Shares Authorized | us-gaap/2024 | Preferred stock, shares authorized | 0 |
| 0000784977-25-000074 | 4 | 5 | BS | 1 | H | Preferred Stock Shares Issued | us-gaap/2024 | Preferred stock, issued | 0 |
| 0000784977-25-000074 | 4 | 6 | BS | 1 | H | Preferred Stock Shares Outstanding | us-gaap/2024 | Preferred stock, outstanding | 0 |
| 0000784977-25-000074 | 4 | 7 | BS | 1 | H | Common Stock No Par Value | us-gaap/2024 | Common stock, no par value | 0 |
| 0000784977-25-000074 | 4 | 8 | BS | 1 | H | Common Stock Shares Authorized | us-gaap/2024 | Common stock, shares authorized | 0 |
| 0000784977-25-000074 | 4 | 9 | BS | 1 | H | Common Stock Shares Issued | us-gaap/2024 | Common stock, shares issued | 0 |
| 0000784977-25-000074 | 4 | 10 | BS | 1 | H | Common Stock Shares Outstanding | us-gaap/2024 | Common stock, shares outstanding | 0 |
| 0000784977-25-000074 | 5 | 7 | CF | 0 | H | Profit Loss | us-gaap/2024 | Net income | 0 |
| 0000784977-25-000074 | 5 | 9 | CF | 0 | H | Depreciation Depletion And Amortization | us-gaap/2024 | Depreciation and amortization | 0 |
| 0000784977-25-000074 | 5 | 10 | CF | 0 | H | Deferred Income Tax Expense Benefit | us-gaap/2024 | Deferred income taxes | 0 |
| 0000784977-25-000074 | 5 | 11 | CF | 0 | H | Pension And Other Postretirement Benefit Expense | us-gaap/2024 | Pension and other postretirement benefits | 0 |
| 0000784977-25-000074 | 5 | 12 | CF | 0 | H | Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity | us-gaap/2024 | Allowance for equity funds used during construction | 1 |
| 0000784977-25-000074 | 5 | 13 | CF | 0 | H | Decoupling Mechanism Deferrals Net | 0000784977-25-000074 | Decoupling mechanism deferrals, net of amortization | 0 |
| 0000784977-25-000074 | 5 | 14 | CF | 0 | H | Gain Loss On Sale Of Other Assets | us-gaap/2024 | Gain (Loss) on Disposition of Other Assets | 1 |
| 0000784977-25-000074 | 5 | 15 | CF | 0 | H | Other Noncash Income Expense | us-gaap/2024 | Other non-cash income and expenses, net | 1 |
| 0000784977-25-000074 | 5 | 17 | CF | 0 | H | Increase Decrease In Receivables | us-gaap/2024 | Decrease in accounts receivable, net | 1 |
| 0000784977-25-000074 | 5 | 18 | CF | 0 | H | Increase Decrease In Inventories | us-gaap/2024 | (Increase) in inventories | 1 |
| 0000784977-25-000074 | 5 | 19 | CF | 0 | H | Increase Decrease In Margin Deposits Outstanding | us-gaap/2024 | (Increase)/decrease in margin deposits | 1 |
| 0000784977-25-000074 | 5 | 20 | CF | 0 | H | Increase Decrease In Accounts Payable | us-gaap/2024 | (Decrease) in accounts payable and accrued liabilities | 0 |
| 0000784977-25-000074 | 5 | 21 | CF | 0 | H | Increase Decrease In Other Accounts Payable And Accrued Liabilities | us-gaap/2024 | Increase (Decrease) in Other Accounts Payable and Accrued Liabilities | 0 |
| 0000784977-25-000074 | 5 | 22 | CF | 0 | H | Increase Decrease In Other Operating Capital Net | us-gaap/2024 | Other working capital items, net | 1 |
| 0000784977-25-000074 | 5 | 23 | CF | 0 | H | Increase Decrease In Other Operating Assets | us-gaap/2024 | Other, net | 1 |
| 0000784977-25-000074 | 5 | 24 | CF | 0 | H | Net Cash Provided By Used In Operating Activities | us-gaap/2024 | Net cash provided by operating activities | 0 |
| 0000784977-25-000074 | 5 | 26 | CF | 0 | H | Payments To Acquire Property Plant And Equipment | us-gaap/2024 | Capital expenditures | 1 |
| 0000784977-25-000074 | 5 | 27 | CF | 0 | H | Payments To Acquire Investments | us-gaap/2024 | Purchases of Nuclear decommissioning trust securities | 1 |
| 0000784977-25-000074 | 5 | 28 | CF | 0 | H | Payments For Proceeds From Other Investing Activities | us-gaap/2024 | Other, net | 1 |
| 0000784977-25-000074 | 5 | 29 | CF | 0 | H | Net Cash Provided By Used In Investing Activities | us-gaap/2024 | Net cash used in investing activities | 0 |
| 0000784977-25-000074 | 5 | 31 | CF | 0 | H | Proceeds From Issuance Or Sale Of Equity | us-gaap/2024 | Proceeds from Issuance or Sale of Equity | 0 |
| 0000784977-25-000074 | 5 | 32 | CF | 0 | H | Repayments Of Long Term Debt | us-gaap/2024 | Payments on long-term debt | 1 |
| 0000784977-25-000074 | 5 | 33 | CF | 0 | H | Proceeds From Issuance Of Long Term Debt | us-gaap/2024 | Proceeds from Issuance of long-term debt | 0 |
| 0000784977-25-000074 | 5 | 34 | CF | 0 | H | Proceeds From Repayments Of Commercial Paper | us-gaap/2024 | Issuance of commercial paper, net | 0 |
| 0000784977-25-000074 | 5 | 35 | CF | 0 | H | Payments Of Dividends | us-gaap/2024 | Dividends paid | 1 |
| 0000784977-25-000074 | 5 | 36 | CF | 0 | H | Proceeds From Payments For Other Financing Activities | us-gaap/2024 | Other | 0 |
| 0000784977-25-000074 | 5 | 37 | CF | 0 | H | Net Cash Provided By Used In Financing Activities | us-gaap/2024 | Net cash provided by (used in) financing activities | 0 |
| 0000784977-25-000074 | 5 | 38 | CF | 0 | H | Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect | us-gaap/2024 | Increase (Decrease) in cash and cash equivalents | 0 |
| 0000784977-25-000074 | 5 | 39 | CF | 0 | H | Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents | us-gaap/2024 | Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents | 0 |
| 0000784977-25-000074 | 5 | 41 | CF | 0 | H | Interest Paid Net | us-gaap/2024 | Cash paid for interest, net of amounts capitalized | 0 |
| 0000784977-25-000074 | 5 | 42 | CF | 0 | H | Income Taxes Paid Net | us-gaap/2024 | Cash paid for income taxes, net | 0 |
| 0000784977-25-000074 | 5 | 43 | CF | 0 | H | Increase Decrease In Other Regulatory Assets | us-gaap/2024 | Increase (Decrease) in Other Regulatory Assets | 1 |
| 0000784977-25-000074 | 5 | 44 | CF | 0 | H | Increase Decrease In Regulatory Liabilities | us-gaap/2024 | Increase (Decrease) in Regulatory Liabilities | 0 |
| 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. |