Financial and Other Derivative Instruments (Netting Offsets Reconciliation to Balance Sheet) (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Derivative Assets
Derivative Assets	$ 694	$ 1,197
Collateral adjustment	(17)	0
Derivative asset, current	162	297
Derivative assets, noncurrent	85	109
Derivative Liabilities
Derivative Liabilities	(605)	(1,172)
Collateral adjustment	0	72
Derivative liabilities, current	(118)	(177)
Derivative liabilities, noncurrent	(57)	(132)
Current derivative asset
Derivative Assets
Derivative Assets	488	910
Counterparty netting	(323)	(613)
Collateral adjustment	(3)	0
Noncurrent derivative asset
Derivative Assets
Derivative Assets	206	287
Counterparty netting	(107)	(178)
Collateral adjustment	(14)	0
Current derivative liability
Derivative Liabilities
Derivative Liabilities	(441)	(847)
Counterparty netting	323	613
Collateral adjustment	0	57
Noncurrent derivative liability
Derivative Liabilities
Derivative Liabilities	(164)	(325)
Counterparty netting	107	178
Collateral adjustment	$ 0	$ 15

Amount of obligation to return cash collateral under master netting arrangements offset against derivative assets.

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