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GOODWILL AND INTANGIBLE ASSETS - Goodwill (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023
Goodwill [Line Items] |  |
Gross goodwill |  | $ 5,105
Accumulated impairment losses |  | (153)
Goodwill [Roll Forward] |  |
Goodwill beginning balance | $ 4,952 |
Magellan Acquisition measurement period adjustments | 165 |
Interstate natural gas pipeline divestiture | (33) |
Goodwill, ending balance | 8,091 |
Magellan Acquisition |  |
Goodwill [Roll Forward] |  |
Magellan Acquisition measurement period adjustments | 165 |
EnLink Controlling Interest Acquisition |  |
Goodwill [Roll Forward] |  |
Acquisitions | 2,717 |
Medallion Acquisition |  |
Goodwill [Roll Forward] |  |
Acquisitions | 259 |
Gulf Coast NGL Pipelines Acquisition |  |
Goodwill [Roll Forward] |  |
Acquisitions | 31 |
Natural Gas Gathering and Processing |  |
Goodwill [Line Items] |  |
Gross goodwill |  | 153
Accumulated impairment losses |  | (153)
Goodwill [Roll Forward] |  |
Goodwill beginning balance | 0 |
Magellan Acquisition measurement period adjustments | 0 |
Interstate natural gas pipeline divestiture | 0 |
Goodwill, ending balance | 486 |
Natural Gas Gathering and Processing | EnLink Controlling Interest Acquisition |  |
Goodwill [Roll Forward] |  |
Acquisitions | 486 |
Natural Gas Gathering and Processing | Medallion Acquisition |  |
Goodwill [Roll Forward] |  |
Acquisitions | 0 |
Natural Gas Gathering and Processing | Gulf Coast NGL Pipelines Acquisition |  |
Goodwill [Roll Forward] |  |
Acquisitions | 0 |
Natural Gas Liquids |  |
Goodwill [Line Items] |  |
Gross goodwill |  | 371
Accumulated impairment losses |  | 0
Goodwill [Roll Forward] |  |
Goodwill beginning balance | 371 |
Magellan Acquisition measurement period adjustments | 0 |
Interstate natural gas pipeline divestiture | 0 |
Goodwill, ending balance | 1,863 |
Natural Gas Liquids | EnLink Controlling Interest Acquisition |  |
Goodwill [Roll Forward] |  |
Acquisitions | 1,461 |
Natural Gas Liquids | Medallion Acquisition |  |
Goodwill [Roll Forward] |  |
Acquisitions | 0 |
Natural Gas Liquids | Gulf Coast NGL Pipelines Acquisition |  |
Goodwill [Roll Forward] |  |
Acquisitions | 31 |
Natural Gas Pipelines |  |
Goodwill [Line Items] |  |
Gross goodwill |  | 157
Accumulated impairment losses |  | 0
Goodwill [Roll Forward] |  |
Goodwill beginning balance | 157 |
Magellan Acquisition measurement period adjustments | 0 |
Interstate natural gas pipeline divestiture | (33) |
Goodwill, ending balance | 353 |
Natural Gas Pipelines | EnLink Controlling Interest Acquisition |  |
Goodwill [Roll Forward] |  |
Acquisitions | 229 |
Natural Gas Pipelines | Medallion Acquisition |  |
Goodwill [Roll Forward] |  |
Acquisitions | 0 |
Natural Gas Pipelines | Gulf Coast NGL Pipelines Acquisition |  |
Goodwill [Roll Forward] |  |
Acquisitions | 0 |
Refined Products and Crude |  |
Goodwill [Line Items] |  |
Gross goodwill |  | 4,424
Accumulated impairment losses |  | $ 0
Goodwill [Roll Forward] |  |
Goodwill beginning balance | 4,424 |
Magellan Acquisition measurement period adjustments | 165 |
Interstate natural gas pipeline divestiture | 0 |
Goodwill, ending balance | 5,389 |
Refined Products and Crude | EnLink Controlling Interest Acquisition |  |
Goodwill [Roll Forward] |  |
Acquisitions | 541 |
Refined Products and Crude | Medallion Acquisition |  |
Goodwill [Roll Forward] |  |
Acquisitions | 259 |
Refined Products and Crude | Gulf Coast NGL Pipelines Acquisition |  |
Goodwill [Roll Forward] |  |
Acquisitions | $ 0 |

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