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Financial and Other Derivative Instruments (Netting Offsets Reconciliation to Balance Sheet) (Details) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Derivative Assets |  |
Derivative Assets | $ 1,197 | $ 1,922
Collateral adjustment | 0 | (90)
Derivative asset, current | 297 | 328
Derivative assets, noncurrent | 109 | 105
Derivative Liabilities |  |
Derivative Liabilities | (1,172) | (2,169)
Collateral adjustment | 72 | 113
Derivative liabilities, current | (177) | (342)
Derivative liabilities, noncurrent | (132) | (315)
Current derivative asset |  |
Derivative Assets |  |
Derivative Assets | 910 | 1,517
Counterparty netting | (613) | (1,127)
Collateral adjustment | 0 | (62)
Noncurrent derivative asset |  |
Derivative Assets |  |
Derivative Assets | 287 | 405
Counterparty netting | (178) | (272)
Collateral adjustment | 0 | (28)
Current derivative liability |  |
Derivative Liabilities |  |
Derivative Liabilities | (847) | (1,535)
Counterparty netting | 613 | 1,127
Collateral adjustment | 57 | 66
Noncurrent derivative liability |  |
Derivative Liabilities |  |
Derivative Liabilities | (325) | (634)
Counterparty netting | 178 | 272
Collateral adjustment | $ 15 | $ 47

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