Business Segment and Geographic Information (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Segment Reporting [Abstract]
Impairments and other charges	[1]	$ 0	$ 344	$ 0	$ 366

[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. Both periods include a $35 million charge attributable to Corporate and other.