Financial and Other Derivative Instruments (Netting Offsets Reconciliation to Balance Sheet) (Details) - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022
Derivative Assets
Derivative Assets	$ 1,356	$ 1,922
Collateral adjustment	0	(90)
Derivative assets, current	258	328
Derivative assets, noncurrent	112	105
Derivative Liabilities
Derivative Liabilities	(1,429)	(2,169)
Collateral adjustment	66	113
Derivative liabilities, current	(186)	(342)
Derivative liabilities, noncurrent	(191)	(315)
Current derivative assets
Derivative Assets
Derivative Assets	955	1,517
Counterparty netting	(697)	(1,127)
Collateral adjustment	0	(62)
Noncurrent derivative assets
Derivative Assets
Derivative Assets	401	405
Counterparty netting	(289)	(272)
Collateral adjustment	0	(28)
Current derivative liabilities
Derivative Liabilities
Derivative Liabilities	(918)	(1,535)
Counterparty netting	697	1,127
Collateral adjustment	35	66
Noncurrent derivative liabilities
Derivative Liabilities
Derivative Liabilities	(511)	(634)
Counterparty netting	289	272
Collateral adjustment	$ 31	$ 47

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

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