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GOODWILL - Narrative (Details) - Midwest Pipeline Acquisition - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2025
Goodwill [Line Items] |  |
Net increase to goodwill recognized as part of acquisition measurement period adjustment | $ 5 |
Pipeline |  |
Goodwill [Line Items] |  |
Net increase to goodwill recognized as part of acquisition measurement period adjustment | $ 5 | $ 5

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