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Income Taxes - Narrative (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Jun. 30, 2022	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Taxes Information [Line Items]
Net deferred tax assets		$ 3,853	$ 4,588
Deferred income taxes		7,726	6,179
U.S. foreign tax credits		5,300
Adjustment to valuation allowance		5	(45)	$ 460
Undistributed earnings of foreign subsidiaries		4,477
Estimated tax payable on undistributed unremitted foreign income		224
Unrecognized tax benefits that would impact effective tax rate		701	1,261	1,128
Recognized federal and state tax benefit		515
Unrecognized tax benefits, income tax penalties and interest accrued		35	47	46
Interest and penalties (benefiting) charging earnings		(12)	1	4
Income tax provision (benefit)		9,548	4,633	(485)
Certain Jurisdictions Outside Of Domestic
Income Taxes Information [Line Items]
Operating loss carryforwards		1,100
Australia West
Income Taxes Information [Line Items]
Increase (decrease) in valuation allowance				178
Disposition				587
Reversal of deferred tax assets				92
Income tax provision (benefit)				(10)
Capital loss tax benefit				$ 313
Norwegian Tax Administration
Income Taxes Information [Line Items]
Adjustment to valuation allowance	$ 58
Disposition CVE Common Shares
Income Taxes Information [Line Items]
Increase (decrease) in valuation allowance			218
Impairment Of APLNG Investment
Income Taxes Information [Line Items]
Increase (decrease) in valuation allowance			206
Disposition Of Indonesia Entities
Income Taxes Information [Line Items]
U.S. foreign tax credits			29
Noncurrent Assets
Income Taxes Information [Line Items]
Net deferred tax assets		$ 241	$ 340

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