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Derivative Instruments and Hedging Activities - Schedule of Fair Value Within the Derivative Instrument Valuation on the Balance Sheets (Details) - USD ($) $ in Millions | Jun. 30, 2026 | Dec. 31, 2025
--- | --- | ---
Derivatives, Fair Value [Line Items] |  |
Derivative Assets | $ 193 | $ 156
Derivative Liabilities | 93 | 360
Derivatives Designated as Cash Flow Hedges: |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Assets | 51 | 31
Derivative Liabilities | 10 | 27
Derivatives Not Designated as Cash Flow Hedges: |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Assets | 142 | 125
Derivative Liabilities | 83 | 333
Interest rate contracts current | Derivatives Designated as Cash Flow Hedges: |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Assets | 9 | 2
Derivative Liabilities | 2 | 6
Interest rate contracts current | Derivatives Not Designated as Cash Flow Hedges: |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Assets | 24 | 17
Derivative Liabilities | 0 | 0
Interest rate contracts long-term | Derivatives Designated as Cash Flow Hedges: |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Assets | 42 | 29
Derivative Liabilities | 8 | 21
Interest rate contracts long-term | Derivatives Not Designated as Cash Flow Hedges: |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Assets | 98 | 94
Derivative Liabilities | 1 | 0
Energy-related commodity contracts current | Derivatives Not Designated as Cash Flow Hedges: |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Assets | 14 | 10
Derivative Liabilities | 12 | 46
Energy-related commodity contracts long-term | Derivatives Not Designated as Cash Flow Hedges: |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Assets | 6 | 4
Derivative Liabilities | $ 70 | $ 287

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