Business Segment and Geographic Information (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Revenue:
Revenue		$ 5,804	$ 5,357	$ 17,279	$ 14,715
Operating income (loss):
Impairments and other charges	[1]	0	0	0	(366)
Operating income		1,037	846	3,025	1,731
Interest expense, net of interest income		(93)	(93)	(264)	(301)
Other, net		(28)	(48)	(129)	(120)
Income (loss) from continuing operations before income taxes		916	705	2,528	1,268
Loss on early extinguishment of debt		0	0	0	42
SAP S4 Upgrade Expense		(23)	0	(36)	0
Total operations
Operating income (loss):
Operating income		1,124	908	3,242	2,283
Completion and Production
Revenue:
Revenue		3,487	3,136	10,372	8,400
Operating income (loss):
Impairments and other charges					(136)
Completion and Production | Total operations
Operating income (loss):
Operating income		746	583	2,119	1,378
Drilling and Evaluation
Revenue:
Revenue		2,317	2,221	6,907	6,315
Operating income (loss):
Impairments and other charges					(195)
Drilling and Evaluation | Total operations
Operating income (loss):
Operating income		378	325	1,123	905
Corporate and Other [Member]
Operating income (loss):
Impairments and other charges					(35)
Operating income		$ (64)	$ (62)	$ (181)	$ (186)

[1] For the nine months ended September 30, 2022, the amount includes a $136 million charge attributable to Completions and Production, a $195 million charge attributable to Drilling and Evaluation, and a $35 million charge attributable to Corporate and other.