Business Segment and Geographic Information (Details) - USD ($) $ in Millions	3 Months Ended					6 Months Ended
	Jun. 30, 2022		Mar. 31, 2022	Jun. 30, 2021		Jun. 30, 2022		Jun. 30, 2021
Segment Reporting [Abstract]
Impairments and other charges	$ 344	[1]	$ 22	$ 0	[1]	$ 366	[1]	$ 0	[1]

[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, and a $35 million charge attributable to Corporate and other for both periods.