Fair Value Disclosures - Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Derivative Asset [Abstract]
Derivative assets	$ 136	$ 200
Liabilities
Derivative liabilities	35	81
Level 1 | Fair Value, Measurements, Recurring
Derivative Asset [Abstract]
Derivative assets	0	0
Investments and securities *	42	21
Total	42	21
Liabilities
Derivative liabilities	0	0
Level 2 | Fair Value, Measurements, Recurring
Derivative Asset [Abstract]
Derivative assets	136	200
Investments and securities *	0	0
Total	136	200
Liabilities
Derivative liabilities	35	81
Level 3 | Fair Value, Measurements, Recurring
Derivative Asset [Abstract]
Derivative assets	0	0
Investments and securities *	20	47
Total	20	47
Liabilities
Derivative liabilities	$ 0	$ 0