Derivatives - Gains and Losses on Derivatives (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on derivative instrument	$ 127	$ (223)	$ 262	$ 176
Interest Rate Swaps | Gains (losses) on interest rate swaps, net
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on derivative instrument	127	(223)	262	176
Marketing Derivatives | Net sales
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on derivative instrument	324	22	459	202
Collars and Calls | Net sales
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on derivative instrument	$ 0	$ (166)	$ 0	$ (238)