Other Liabilities - Current Table (Details) - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
Other Liabilities Disclosure [Abstract]
Revenues and royalties due others	$ 396	$ 516
Accrued drilling and production costs	260	326
Joint interest prepayments received	57	52
VPP deferred revenue	50	55
Accrued compensation and benefits	56	156
Other accrued taxes	132	150
Other	201	177
Total other current liabilities	$ 1,152	$ 1,432