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RISK MANAGEMENT AND HEDGING ACTIVITIES USING DERIVATIVES - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended |  |  |
--- | --- | --- | --- | ---
Sep. 30, 2024 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |
Cash flow hedge, cumulative gain (loss) |  | $ (38) | $ 31 |
Senior Notes |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |
Debt instrument, face amount | $ 7,000 | 7,000 | $ 5,250 | $ 750
Treasury Lock | Cash Flow Hedging | Derivatives designated as hedging instruments |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |
Derivative notional amount, new contracts | 1,500 |  |  |
Derivative, notional amount settled | $ 1,500 |  |  |
Interest Rate Swap | Enlink |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |
Derivative, notional amount |  | 400 |  |
Derivative, notional amount, terminated |  | $ 400 |  |

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