Derivative Instruments - Effect of Derivative Instruments on the Condensed Consolidated Balance Sheet (Details) - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021
Effect of derivative instruments on the Consolidated Balance Sheet
Derivative Assets	$ 25	$ 7
Derivatives Not Designated as Hedges | Commodity contracts
Effect of derivative instruments on the Consolidated Balance Sheet
Derivative Assets	25	7
Derivative Liabilities	170	159
Other current assets (current) | Derivatives Not Designated as Hedges | Commodity contracts
Effect of derivative instruments on the Consolidated Balance Sheet
Derivative Assets	9	7
Derivative Liabilities	0	0
Derivative instruments (current) | Derivatives Not Designated as Hedges | Commodity contracts
Effect of derivative instruments on the Consolidated Balance Sheet
Derivative Assets	0	0
Derivative Liabilities	170	159
Other assets (non-current) | Derivatives Not Designated as Hedges | Commodity contracts
Effect of derivative instruments on the Consolidated Balance Sheet
Derivative Assets	16	0
Derivative Liabilities	$ 0	$ 0