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Goodwill (Tables) | 12 Months Ended
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Dec. 31, 2024
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Goodwill | Changes in the amounts of our goodwill for each of the years ended December 31, 2024 and 2023 are summarized by segment as follows:
| Natural Gas Pipelines |  | Products Pipelines |  | Terminals |  | CO 2 |  | Total |
| (In millions) |
Gross goodwill | $ | 20,832 |  |  | $ | 2,796 |  |  | $ | 1,481 |  |  | $ | 1,642 |  |  | $ | 26,751 |  |
Accumulated impairment losses | (4,240) |  |  | (1,267) |  |  | (679) |  |  | (600) |  |  | (6,786) |  |
December 31, 2022 | 16,592 |  |  | 1,529 |  |  | 802 |  |  | 1,042 |  |  | 19,965 |  |
Acquisition of STX Midstream | 156 |  |  | — |  |  | — |  |  | — |  |  | 156 |  |
December 31, 2023 | 16,748 |  |  | 1,529 |  |  | 802 |  |  | 1,042 |  |  | 20,121 |  |
Acquisition(a) | (28) |  |  | — |  |  | — |  |  | — |  |  | (28) |  |
Divestitures(b) | — |  |  | — |  |  | — |  |  | (9) |  |  | (9) |  |
December 31, 2024 | 16,720 |  |  | 1,529 |  |  | 802 |  |  | 1,033 |  |  | 20,084 |  |
Gross goodwill | 20,960 |  |  | 2,796 |  |  | 1,481 |  |  | 1,633 |  |  | 26,870 |  |
Accumulated impairment losses | (4,240) |  |  | (1,267) |  |  | (679) |  |  | (600) |  |  | (6,786) |  |
December 31, 2024 | $ | 16,720 |  |  | $ | 1,529 |  |  | $ | 802 |  |  | $ | 1,033 |  |  | $ | 20,084 |  |
(a)Reflects adjustment to purchase price allocation related to the December 2023 STX Midstream acquisition. (b)Associated with our CO 2 business segment assets that were divested in June 2024.

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