Business Segment and Geographic Information (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2022	Mar. 31, 2021
Segment Reporting [Abstract]
Impairments and other charges	[1]	$ 22	$ 0

[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.