Derivative Instruments and Hedging Activities - Schedule of Fair Value Within the Derivative Instrument Valuation on the Balance Sheets (Details) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Derivatives, Fair Value [Line Items]
Derivative Assets	$ 104	$ 123
Derivative Liabilities	330	332
Derivatives Designated as Cash Flow Hedges:
Derivatives, Fair Value [Line Items]
Derivative Assets	14	19
Derivative Liabilities	2	2
Derivatives Not Designated as Cash Flow Hedges:
Derivatives, Fair Value [Line Items]
Derivative Assets	90	104
Derivative Liabilities	328	330
Interest rate contracts current \| Derivatives Designated as Cash Flow Hedges:
Derivatives, Fair Value [Line Items]
Derivative Assets	4	7
Derivative Liabilities	0	0
Interest rate contracts current \| Derivatives Not Designated as Cash Flow Hedges:
Derivatives, Fair Value [Line Items]
Derivative Assets	23	33
Derivative Liabilities	0	0
Interest rate contracts long-term \| Derivatives Designated as Cash Flow Hedges:
Derivatives, Fair Value [Line Items]
Derivative Assets	10	12
Derivative Liabilities	2	2
Interest rate contracts long-term \| Derivatives Not Designated as Cash Flow Hedges:
Derivatives, Fair Value [Line Items]
Derivative Assets	60	69
Derivative Liabilities	1	0
Energy-related commodity contracts current \| Derivatives Not Designated as Cash Flow Hedges:
Derivatives, Fair Value [Line Items]
Derivative Assets	7	1
Derivative Liabilities	51	51
Energy-related commodity contracts long-term \| Derivatives Not Designated as Cash Flow Hedges:
Derivatives, Fair Value [Line Items]
Derivative Assets	0	1
Derivative Liabilities	$ 276	$ 279