Financial and Other Derivative Instruments (Netting Offsets Reconciliation to Balance Sheet) (Details) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Derivative Assets
Derivative Assets	$ 684	$ 1,197
Collateral adjustment	(8)	0
Derivative assets, current	159	297
Derivative assets, noncurrent	69	109
Derivative Liabilities
Derivative Liabilities	(622)	(1,172)
Collateral adjustment	0	72
Derivative liabilities, current	(94)	(177)
Derivative liabilities, noncurrent	(80)	(132)
Current derivative assets
Derivative Assets
Derivative Assets	479	910
Counterparty netting	(317)	(613)
Collateral adjustment	(3)	0
Noncurrent derivative assets
Derivative Assets
Derivative Assets	205	287
Counterparty netting	(131)	(178)
Collateral adjustment	(5)	0
Current derivative liabilities
Derivative Liabilities
Derivative Liabilities	(411)	(847)
Counterparty netting	317	613
Collateral adjustment	0	57
Noncurrent derivative liabilities
Derivative Liabilities
Derivative Liabilities	(211)	(325)
Counterparty netting	131	178
Collateral adjustment	$ 0	$ 15

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

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