Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended						9 Months Ended
	Sep. 30, 2022		Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2021		Sep. 30, 2022		Sep. 30, 2021
Income Tax Disclosure [Abstract]
Income Tax Expense (Benefit)	$ 156				$ 76		$ 338		$ 193
Income (loss) from continuing operations before income taxes	705				316		1,268		834
Impairments and other charges	0	[1]	$ 344	$ 22	12	[1]	366	[1]	12	[1]
Loss on early extinguishment of debt	$ 0				$ 0		$ (42)		$ 0
Effective tax rate	22.20%						26.60%

[1] For the nine months ended September 30, 2022, the amount includes a $136 million charge attributable to Completions and Production, a $195 million charge attributable to Drilling and Evaluation, and a $35 million charge attributable to Corporate and other. For the three and nine months ended September 30, 2021, the amounts include a $42 million charge attributable to Completions and Production, a $9 million charge attributable to Drilling and Evaluation, and a $39 million net gain attributable to Corporate and other.