Financial and Other Derivative Instruments (Netting Offsets Reconciliation to Balance Sheet) (Details) - USD ($) $ in Millions	Mar. 31, 2025	Dec. 31, 2024
Derivative Assets
Derivative Assets	$ 837	$ 694
Collateral adjustment	(61)	(17)
Derivative assets, current	160	162
Derivative assets, noncurrent	78	85
Derivative Liabilities
Derivative Liabilities	(758)	(605)
Derivative liabilities, current	(145)	(118)
Derivative liabilities, noncurrent	(75)	(57)
Current derivative assets
Derivative Assets
Derivative Assets	607	488
Counterparty netting	(401)	(323)
Collateral adjustment	(46)	(3)
Noncurrent derivative assets
Derivative Assets
Derivative Assets	230	206
Counterparty netting	(137)	(107)
Collateral adjustment	(15)	(14)
Current derivative liabilities
Derivative Liabilities
Derivative Liabilities	(546)	(441)
Counterparty netting	401	323
Collateral adjustment	0	0
Noncurrent derivative liabilities
Derivative Liabilities
Derivative Liabilities	(212)	(164)
Counterparty netting	137	107
Collateral adjustment	$ 0	$ 0

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

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