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v3.23.1

Capital Accounts, Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
Accumulated Other Comprehensive Income (Loss) [Abstract] |  |
Accumulated Other Comprehensive Income (Loss), Beginning Balance | $ 365 | $ 286
Other comprehensive income (loss) for period, before reclassifications | (94) | (99)
Reclassification of losses (gains) to net income during period | (30) | 53
Total other comprehensive income (loss) for period | (124) | (46)
Accumulated Other Comprehensive Income (Loss), Ending balance | 241 | 240
Interest expense | 314 | 319
Revenue | (12,444) | (13,008)
Operating costs and expenses | 10,757 | 11,397
Total | (1,422) | (1,331)
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 | 2 | 8
Total other comprehensive income (loss) for period | (3) | 8
Accumulated Other Comprehensive Income (Loss), Ending balance | 189 | 155
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 | (89) | (99)
Reclassification of losses (gains) to net income during period | (32) | 45
Total other comprehensive income (loss) for period | (121) | (54)
Accumulated Other Comprehensive Income (Loss), Ending balance | 50 | 83
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
Reclassification of Losses (Gains) out of Accumulated Other Comprehensive Income (Loss) [Member] |  |
Accumulated Other Comprehensive Income (Loss) [Abstract] |  |
Total | (30) | 53
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 | 2 | 8
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 | (24) | 39
Operating costs and expenses | $ (8) | $ 6

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