Other Liabilities - Current Table (Details) - USD ($) $ in Millions	Dec. 31, 2021	Feb. 09, 2021	Dec. 31, 2020
Other Liabilities Disclosure [Abstract]
Revenues and royalties due others	$ 617		$ 236
Accrued drilling and production costs	142		104
Accrued hedging costs	113		7
Accrued compensation and benefits	91		59
Other accrued taxes	86		82
Operating leases	29		24
Joint interest prepayments received	14		8
Debt and equity financing fees	0		69
Other	110		134
Total other current liabilities	$ 1,202	$ 769	$ 723