Income Taxes (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
Income Tax Disclosure [Abstract]
Income Tax Expense (Benefit)	$ 114			$ 65		$ 182		$ 117
Income (loss) from continuing operations before income taxes	231			295		563		518
Impairments and other charges	344	[1]	$ 22	0	[1]	366	[1]	0	[1]
Loss on early extinguishment of debt	$ 0			$ 0		$ (42)		$ 0	[2]
Effective tax rate	49.30%					32.20%

[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.

[2] For the six months ended June 30, 2022, amount consists of a $42 million loss on the early redemption of senior notes.