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UNCONSOLIDATED AFFILIATES - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Jun. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Investments in and Advances to Affiliates [Line Items] |  |  |  |  |
Contributions to unconsolidated affiliates |  |  |  | $ 111 | $ 2
Roadrunner |  |  |  |  |
Investments in and Advances to Affiliates [Line Items] |  |  |  |  |
Contributions to unconsolidated affiliates |  | $ 105 |  |  |
Unconsolidated Affiliates |  |  |  |  |
Investments in and Advances to Affiliates [Line Items] |  |  |  |  |
Unconsolidated entities expenses in transactions | $ 33 |  | $ 26 | $ 88 | $ 56

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