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v3.23.2

Capital Accounts, Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Accumulated Other Comprehensive Income (Loss) [Abstract] |  |  |  |
Accumulated Other Comprehensive Income (Loss), Beginning Balance |  |  | $ 365 | $ 286
Other comprehensive income (loss) for period, before reclassifications |  |  | (48) | (60)
Reclassification of losses (gains) to net income during period |  |  | (49) | (49)
Total other comprehensive income (loss) for period | $ 27 | $ (63) | (97) | (109)
Accumulated Other Comprehensive Income (Loss), Ending balance | 268 | 177 | 268 | 177
Interest expense | 302 | 309 | 616 | 628
Revenue | (10,651) | (16,060) | (23,095) | (29,068)
Operating costs and expenses | 9,137 | 14,341 | 19,894 | 25,738
Total | (1,283) | (1,440) | (2,705) | (2,771)
Cash Flow Hedges [Member] | Interest Rate Derivatives [Member] |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Abstract] |  |  |  |
Accumulated Other Comprehensive Income (Loss), Beginning Balance |  |  | 192 | 147
Other comprehensive income (loss) for period, before reclassifications |  |  | (5) | 0
Reclassification of losses (gains) to net income during period |  |  | (1) | 14
Total other comprehensive income (loss) for period |  |  | (6) | 14
Accumulated Other Comprehensive Income (Loss), Ending balance | 186 | 161 | 186 | 161
Cash Flow Hedges [Member] | Commodity Derivatives [Member] |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Abstract] |  |  |  |
Accumulated Other Comprehensive Income (Loss), Beginning Balance |  |  | 171 | 137
Other comprehensive income (loss) for period, before reclassifications |  |  | (43) | (60)
Reclassification of losses (gains) to net income during period |  |  | (48) | (63)
Total other comprehensive income (loss) for period |  |  | (91) | (123)
Accumulated Other Comprehensive Income (Loss), Ending balance | 80 | 14 | 80 | 14
Other [Member] |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Abstract] |  |  |  |
Accumulated Other Comprehensive Income (Loss), Beginning Balance |  |  | 2 | 2
Other comprehensive income (loss) for period, before reclassifications |  |  | 0 | 0
Reclassification of losses (gains) to net income during period |  |  | 0 | 0
Total other comprehensive income (loss) for period |  |  | 0 | 0
Accumulated Other Comprehensive Income (Loss), Ending balance | 2 | 2 | 2 | 2
Reclassification of Losses (Gains) out of Accumulated Other Comprehensive Income (Loss) [Member] |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Abstract] |  |  |  |
Total | (19) | (102) | (49) | (49)
Reclassification of Losses (Gains) out of Accumulated Other Comprehensive Income (Loss) [Member] | Cash Flow Hedges [Member] | Interest Rate Derivatives [Member] |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Abstract] |  |  |  |
Interest expense | (3) | 6 | (1) | 14
Reclassification of Losses (Gains) out of Accumulated Other Comprehensive Income (Loss) [Member] | Cash Flow Hedges [Member] | Commodity Derivatives [Member] |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Abstract] |  |  |  |
Revenue | (27) | (86) | (51) | (47)
Operating costs and expenses | $ 11 | $ (22) | $ 3 | $ (16)

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