Business Segment and Geographic Information (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Revenue:
Revenue		$ 5,798	$ 5,074	$ 11,475	$ 9,358
Operating income (loss):
Impairments and other charges	[1]	0	(344)	0	(366)
Operating income		1,011	374	1,988	885
Interest expense, net of interest income		(92)	(101)	(171)	(208)
Other, net		(32)	(42)	(101)	(72)
Income (loss) from continuing operations before income taxes		783	231	1,612	563
Loss on early extinguishment of debt		0	0	0	42
SAP S4 Upgrade Expense		(13)	0	(13)	0
Total operations
Operating income (loss):
Operating income		1,083	785	2,118	1,375
Completion and Production
Revenue:
Revenue		3,476	2,911	6,885	5,264
Operating income (loss):
Impairments and other charges			(131)		(136)
Completion and Production | Total operations
Operating income (loss):
Operating income		707	499	1,373	795
Drilling and Evaluation
Revenue:
Revenue		2,322	2,163	4,590	4,094
Operating income (loss):
Impairments and other charges			(178)		(195)
Drilling and Evaluation | Total operations
Operating income (loss):
Operating income		376	286	745	580
Corporate and Other [Member]
Operating income (loss):
Impairments and other charges			(35)		(35)
Operating income		$ (59)	$ (67)	$ (117)	$ (124)

[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. Both periods include a $35 million charge attributable to Corporate and other.