Business Segment and Geographic Information (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2023	Mar. 31, 2022
Revenue:
Revenue		$ 5,677	$ 4,284
Operating income (loss):
Impairments and other charges	[1]	0	(22)
Operating income		977	511
Interest expense, net of interest income		(79)	(107)
Other, net		(69)	(30)
Income (loss) from continuing operations before income taxes		829	332
Loss on early extinguishment of debt		0	42
Total operations
Operating income (loss):
Operating income		1,035	590
Completion and Production
Revenue:
Revenue		3,409	2,353
Operating income (loss):
Impairments and other charges			(6)
Completion and Production | Total operations
Operating income (loss):
Operating income		666	296
Drilling and Evaluation
Revenue:
Revenue		2,268	1,931
Operating income (loss):
Impairments and other charges			(17)
Drilling and Evaluation | Total operations
Operating income (loss):
Operating income		369	294
Corporate and Other [Member]
Operating income (loss):
Impairments and other charges			1
Operating income	[2]	$ (58)	$ (57)

[1] For the three months ended March 31, 2022, the amount includes a $6 million charge attributable to Completions and Production, a $17 million charge attributable to Drilling and Evaluation, and a $1 million gain attributable to Corporate and other.

[2] Includes certain expenses not attributable to a business segment, such as costs related to support functions, corporate executives, and operating lease assets, and also includes amortization expense associated with intangible assets recorded as a result of acquisitions.