Impairments and Other Charges (Details) - USD ($)	3 Months Ended					6 Months Ended
	Jun. 30, 2022		Mar. 31, 2022	Jun. 30, 2021	[1]	Jun. 30, 2022		Jun. 30, 2021	[1]	Dec. 31, 2021
Restructuring Cost and Reserve [Line Items]
Impairments and other charges	$ 344,000,000	[1]	$ 22,000,000	$ 0		$ 366,000,000	[1]	$ 0
Operating lease right-of-use assets	894,000,000					894,000,000				$ 934,000,000
Current portion of operating lease liabilities	227,000,000					227,000,000				$ 240,000,000
Other	(12,000,000)					(6,000,000)
Inventory write-downs	70,000,000					70,000,000
Long-lived asset impairments	100,000,000					100,000,000
Disposal Group, Including Discontinued Operation, Assets	1					1
UKRAINE
Restructuring Cost and Reserve [Line Items]
Write-down of A/R in Russia/Ukraine			$ 16,000,000
Russia/Ukraine [Domain]
Restructuring Cost and Reserve [Line Items]
Write-down of A/R in Russia & Ukraine	186,000,000					202,000,000
Completion And Production [Member]
Restructuring Cost and Reserve [Line Items]
Impairments and other charges	131,000,000					136,000,000
Drilling And Evaluation [Member]
Restructuring Cost and Reserve [Line Items]
Impairments and other charges	178,000,000					195,000,000
Corporate and Other [Member]
Restructuring Cost and Reserve [Line Items]
Impairments and other charges	$ (35,000,000)					$ 35,000,000

[1] For the three and six months ended June 30, 2022 respectively, the amounts include $131 million and $136 million charges attributable to Completions and Production, and $178 million and $195 million charges attributable to Drilling and Evaluation, and a $35 million charge attributable to Corporate and other for both periods.