Financial and Other Derivative Instruments (Netting Offsets Reconciliation to Balance Sheet) (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Derivative Assets
Derivative Assets	$ 1,922	$ 1,391
Collateral adjustment	(90)	(90)
Derivative asset, current	328	181
Derivative assets, noncurrent	105	90
Derivative Liabilities
Derivative Liabilities	(2,169)	(1,508)
Collateral adjustment	113	48
Derivative liabilities, current	(342)	(238)
Derivative liabilities, noncurrent	(315)	(192)
Current derivative asset
Derivative Assets
Derivative Assets	1,517	1,035
Counterparty netting	(1,127)	(791)
Collateral adjustment	(62)	(63)
Noncurrent derivative asset
Derivative Assets
Derivative Assets	405	356
Counterparty netting	(272)	(239)
Collateral adjustment	(28)	(27)
Current derivative liability
Derivative Liabilities
Derivative Liabilities	(1,535)	(1,037)
Counterparty netting	1,127	791
Collateral adjustment	66	8
Noncurrent derivative liability
Derivative Liabilities
Derivative Liabilities	(634)	(471)
Counterparty netting	272	239
Collateral adjustment	$ 47	$ 40

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

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