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Revenue Recognition (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Disaggregation of Revenue [Line Items] |  |
Subtotal | $ 750 | $ 647
Alternative revenue programs, net of amortization | (11) | 3
Other accrued (deferred) revenues, net | 1 | 1
Total retail revenues | 740 | 651
Wholesale revenues | 176 | 88
Other operating revenue | 13 | 9
Total revenues | 929 | 748
Gain on Derivative Instruments, Pretax | 88 | 34
Residential [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Subtotal | 415 | 362
Commercial [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Subtotal | 227 | 197
Industrial [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Subtotal | 102 | 82
Direct Access customers [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Subtotal | $ 6 | $ 6

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