Business Segment and Geographic Information (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2022	Mar. 31, 2021
Revenue:
Revenue		$ 4,284	$ 3,451
Operating income (loss):
Impairments and other charges	[1]	(22)	0
Operating income		511	370
Interest expense, net of interest income		(107)	(125)
Other, net		(30)	(22)
Income (loss) from continuing operations before income taxes		332	223
Loss on early extinguishment of debt		42	0
Total operations
Operating income (loss):
Operating income		590	423
Completion and Production
Revenue:
Revenue		2,353	1,870
Operating income (loss):
Impairments and other charges		(6)
Completion and Production | Total operations
Operating income (loss):
Operating income		296	252
Drilling and Evaluation
Revenue:
Revenue		1,931	1,581
Operating income (loss):
Impairments and other charges		(17)
Drilling and Evaluation | Total operations
Operating income (loss):
Operating income		294	171
Corporate and Other [Member]
Operating income (loss):
Impairments and other charges		(1)
Operating income	[2]	$ (57)	$ (53)

[1] For the three months ended March 31, 2022, 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 and corporate executives, and also includes amortization expense associated with intangible assets recorded as a result of acquisitions.