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v3.22.1

Capital Accounts, Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2022 | Mar. 31, 2021
Accumulated Other Comprehensive Income (Loss) [Abstract] |  |
Accumulated Other Comprehensive Income (Loss), Beginning Balance | $ 286 | $ (165)
Other comprehensive income (loss) for period, before reclassifications | (99) | (278)
Reclassification of losses (gains) to net income during period | 53 | 624
Total other comprehensive income (loss) for period | (46) | 346
Accumulated Other Comprehensive Income (Loss), Ending balance | 240 | 181
Interest expense | 319 | 323
Revenue | (13,008) | (9,155)
Operating costs and expenses | 11,397 | 7,553
Total | (1,331) | (1,363)
Cash Flow Hedges [Member] | Interest Rate Derivatives [Member] |  |
Accumulated Other Comprehensive Income (Loss) [Abstract] |  |
Accumulated Other Comprehensive Income (Loss), Beginning Balance | 147 | (74)
Other comprehensive income (loss) for period, before reclassifications | 0 | 183
Reclassification of losses (gains) to net income during period | 8 | 8
Total other comprehensive income (loss) for period | 8 | 191
Accumulated Other Comprehensive Income (Loss), Ending balance | 155 | 117
Cash Flow Hedges [Member] | Commodity Derivatives [Member] |  |
Accumulated Other Comprehensive Income (Loss) [Abstract] |  |
Accumulated Other Comprehensive Income (Loss), Beginning Balance | 137 | (93)
Other comprehensive income (loss) for period, before reclassifications | (99) | (461)
Reclassification of losses (gains) to net income during period | 45 | 616
Total other comprehensive income (loss) for period | (54) | 155
Accumulated Other Comprehensive Income (Loss), Ending balance | 83 | 62
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 out of Accumulated Other Comprehensive Income (Loss) [Member] |  |
Accumulated Other Comprehensive Income (Loss) [Abstract] |  |
Total | 53 | 624
Reclassification out of Accumulated Other Comprehensive Income (Loss) [Member] | Cash Flow Hedges [Member] | Interest Rate Derivatives [Member] |  |
Accumulated Other Comprehensive Income (Loss) [Abstract] |  |
Interest expense | 8 | 8
Reclassification out of Accumulated Other Comprehensive Income (Loss) [Member] | Cash Flow Hedges [Member] | Commodity Derivatives [Member] |  |
Accumulated Other Comprehensive Income (Loss) [Abstract] |  |
Revenue | 39 | 597
Operating costs and expenses | $ 6 | $ 19

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