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Derivatives and Risk Management Activities - Net Unrealized Gain/(Loss) Recognized in AOCI (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Derivatives, Fair Value [Line Items] |  |  |
Proceeds from settlement of interest rate hedging instruments | $ (57) | $ (80) | $ (42)
Other current assets |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Interest rate cash flow hedge derivative at fair value, net |  | 51 |
Other long-term assets, net |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Interest rate cash flow hedge derivative at fair value, net | 27 | 4 |
Interest Rate Swap Terminated | Cash Flow Hedging |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Notional amount of derivatives | 100 |  |
Proceeds from settlement of interest rate hedging instruments | 57 |  |
Interest Rate Derivatives |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Interest rate derivatives, net | 29 | $ 15 | $ 94
AOCI Cash Flow Hedge |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Net gain/(loss) deferred in AOCI | (44) |  |
AOCI Cash Flow Hedge | Interest Rate Swap Terminated | Cash Flow Hedging |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Net gain/(loss) deferred in AOCI | $ 57 |  |

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