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Derivative Instruments and Hedging Activities - FV of Derivatives (Details) - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021
Derivatives, Fair Value [Line Items]
Derivative Assets	$ 44	$ 6
Derivative Liabilities	355	242
Derivatives Designated as Cash Flow Hedges:
Derivatives, Fair Value [Line Items]
Derivative Assets	10	2
Derivative Liabilities	0	8
Derivatives Designated as Cash Flow Hedges: | Interest rate contracts current
Derivatives, Fair Value [Line Items]
Derivative Assets	2	0
Derivative Liabilities	0	5
Derivatives Designated as Cash Flow Hedges: | Interest rate contracts long-term
Derivatives, Fair Value [Line Items]
Derivative Assets	8	2
Derivative Liabilities	0	3
Derivatives Not Designated as Cash Flow Hedges:
Derivatives, Fair Value [Line Items]
Derivative Assets	34	4
Derivative Liabilities	355	234
Derivatives Not Designated as Cash Flow Hedges: | Interest rate contracts current
Derivatives, Fair Value [Line Items]
Derivative Assets	7	0
Derivative Liabilities	1	17
Derivatives Not Designated as Cash Flow Hedges: | Interest rate contracts long-term
Derivatives, Fair Value [Line Items]
Derivative Assets	27	4
Derivative Liabilities	1	38
Derivatives Not Designated as Cash Flow Hedges: | Commodity contracts current
Derivatives, Fair Value [Line Items]
Derivative Assets	0	0
Derivative Liabilities	74	24
Derivatives Not Designated as Cash Flow Hedges: | Commodity contracts long-term
Derivatives, Fair Value [Line Items]
Derivative Assets	0	0
Derivative Liabilities	$ 279	$ 155

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