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Intangible Assets and Goodwill (Tables) | 6 Months Ended
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Jun. 30, 2025
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Intangible Assets by Business Segment | The following table summarizes our intangible assets by business segment at the dates indicated:
| June 30, 2025 |  | December 31, 2024
| Gross Value |  | Accumulated Amortization |  | Carrying Value |  | Gross Value |  | Accumulated Amortization |  | Carrying Value
NGL Pipelines & Services: |  |  |  |  |  |  |  |  |  |  |
Customer relationship intangibles | $ | 449 |  |  | $ | (282) |  |  | $ | 167 |  |  | $ | 449 |  |  | $ | (276) |  |  | $ | 173 |
Contract-based intangibles | 754 |  |  | (158) |  |  | 596 |  |  | 754 |  |  | (141) |  |  | 613 |
Segment total | 1,203 |  |  | (440) |  |  | 763 |  |  | 1,203 |  |  | (417) |  |  | 786 |
Crude Oil Pipelines & Services: |  |  |  |  |  |  |  |  |  |  |
Customer relationship intangibles | 2,195 |  |  | (669) |  |  | 1,526 |  |  | 2,195 |  |  | (627) |  |  | 1,568 |
Contract-based intangibles | 283 |  |  | (278) |  |  | 5 |  |  | 283 |  |  | (278) |  |  | 5 |
Segment total | 2,478 |  |  | (947) |  |  | 1,531 |  |  | 2,478 |  |  | (905) |  |  | 1,573 |
Natural Gas Pipelines & Services: |  |  |  |  |  |  |  |  |  |  |
Customer relationship intangibles | 1,351 |  |  | (682) |  |  | 669 |  |  | 1,351 |  |  | (663) |  |  | 688 |
Contract-based intangibles | 1,082 |  |  | (244) |  |  | 838 |  |  | 1,081 |  |  | (227) |  |  | 854 |
Segment total | 2,433 |  |  | (926) |  |  | 1,507 |  |  | 2,432 |  |  | (890) |  |  | 1,542 |
Petrochemical & Refined Products Services: |  |  |  |  |  |  |  |  |  |  |
Customer relationship intangibles | 181 |  |  | (95) |  |  | 86 |  |  | 181 |  |  | (92) |  |  | 89 |
Contract-based intangibles | 45 |  |  | (30) |  |  | 15 |  |  | 45 |  |  | (30) |  |  | 15 |
Segment total | 226 |  |  | (125) |  |  | 101 |  |  | 226 |  |  | (122) |  |  | 104 |
Total intangible assets | $ | 6,340 |  |  | $ | (2,438) |  |  | $ | 3,902 |  |  | $ | 6,339 |  |  | $ | (2,334) |  |  | $ | 4,005 |
Schedule of Amortization Expense of our Intangible Assets by Business Segment | The following table presents the amortization expense of our intangible assets by business segment for the periods indicated:
| For the Three Months Ended June 30, |  | For the Six Months Ended June 30,
| 2025 |  | 2024 |  | 2025 |  | 2024
NGL Pipelines & Services | $ | 12 |  |  | $ | 11 |  |  | $ | 23 |  |  | $ | 21 |
Crude Oil Pipelines & Services | 21 |  |  | 26 |  |  | 42 |  |  | 51 |
Natural Gas Pipelines & Services | 18 |  |  | 13 |  |  | 36 |  |  | 26 |
Petrochemical & Refined Products Services | 1 |  |  | 1 |  |  | 3 |  |  | 3 |
Total | $ | 52 |  |  | $ | 51 |  |  | $ | 104 |  |  | $ | 101 |
Schedule of Forecasted Amortization Expense Associated with Existing Intangible Assets | The following table presents our forecast of amortization expense associated with existing intangible assets for the periods indicated:
Remainder of 2025 |  | 2026 |  | 2027 |  | 2028 |  | 2029
$ | 111 |  |  | $ | 216 |  |  | $ | 209 |  |  | $ | 198 |  |  | $ | 199 |

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- Definition Tabular disclosure of amortizable finite and indefinite lived intangibles assets by segment, including the gross carrying amount and accumulated amortization. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company. + References No definition available. + Details
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- Definition Tabular disclosure of amortization expense of assets, excluding financial assets, that lack physical substance, having a limited useful life. + References No definition available. + Details
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- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name Accounting Standards Codification -Section 55 -Paragraph 40 -SubTopic 30 -Topic 350 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482640/350-30-55-40 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2 + Details
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