Fair Value Measurements - Assets and Liabilities at Fair Value, Recurring (Details) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Not Designated
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract]
Derivatives - not designated	$ 70	$ 313
Derivatives - not designated	498	72
Designated
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract]
Derivatives - not designated	2
Derivatives - not designated	0
Recurring Basis
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract]
Marketable Securities	33	35
Total Assets at Fair Value	105	348
Total Liabilities at Fair Value	498	72
Recurring Basis | Not Designated
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract]
Derivatives - not designated	70	313
Derivatives - not designated	498	72
Recurring Basis | Designated
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract]
Derivatives - not designated	2	0
Recurring Basis | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract]
Marketable Securities	33	35
Total Assets at Fair Value	78	320
Total Liabilities at Fair Value	254	24
Recurring Basis | Level 1 | Not Designated
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract]
Derivatives - not designated	43	285
Derivatives - not designated	254	24
Recurring Basis | Level 1 | Designated
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract]
Derivatives - not designated	2	0
Recurring Basis | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract]
Marketable Securities	0	0
Total Assets at Fair Value	27	28
Total Liabilities at Fair Value	244	48
Recurring Basis | Level 2 | Not Designated
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract]
Derivatives - not designated	27	28
Derivatives - not designated	244	48
Recurring Basis | Level 2 | Designated
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract]
Derivatives - not designated	0	0
Recurring Basis | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract]
Marketable Securities	0	0
Total Assets at Fair Value	0	0
Total Liabilities at Fair Value	0	0
Recurring Basis | Level 3 | Not Designated
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract]
Derivatives - not designated	0	0
Derivatives - not designated	0	0
Recurring Basis | Level 3 | Designated
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract]
Derivatives - not designated	$ 0	$ 0