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Intangible Assets and Goodwill, Intangible Assets (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Identifiable intangible assets [Abstract] |  |  |
Gross Value | $ 6,339 | $ 5,897 |
Accumulated Amortization | (2,334) | (2,127) |
Carrying Value | 4,005 | 3,770 |
Amortization expense | 207 | 201 | $ 177
Forecasted amortization expense [Abstract] |  |  |
2025 | 218 |  |
2026 | 215 |  |
2027 | 209 |  |
2028 | 198 |  |
2029 | 199 |  |
Customer relationship intangibles [Member] |  |  |
Identifiable intangible assets [Abstract] |  |  |
Carrying Value | 2,500 |  |
Contract-based intangibles [Member] |  |  |
Identifiable intangible assets [Abstract] |  |  |
Carrying Value | 1,500 |  |
NGL Pipelines & Services [Member] |  |  |
Identifiable intangible assets [Abstract] |  |  |
Gross Value | 1,203 | 1,201 |
Accumulated Amortization | (417) | (373) |
Carrying Value | 786 | 828 |
Amortization expense | 44 | 40 | 36
NGL Pipelines & Services [Member] | Customer relationship intangibles [Member] |  |  |
Identifiable intangible assets [Abstract] |  |  |
Gross Value | 449 | 449 |
Accumulated Amortization | (276) | (263) |
Carrying Value | 173 | 186 |
NGL Pipelines & Services [Member] | Contract-based intangibles [Member] |  |  |
Identifiable intangible assets [Abstract] |  |  |
Gross Value | 754 | 752 |
Accumulated Amortization | (141) | (110) |
Carrying Value | 613 | 642 |
Crude Oil Pipelines & Services [Member] |  |  |
Identifiable intangible assets [Abstract] |  |  |
Gross Value | 2,478 | 2,478 |
Accumulated Amortization | (905) | (805) |
Carrying Value | 1,573 | 1,673 |
Amortization expense | 100 | 103 | 84
Crude Oil Pipelines & Services [Member] | Customer relationship intangibles [Member] |  |  |
Identifiable intangible assets [Abstract] |  |  |
Gross Value | 2,195 | 2,195 |
Accumulated Amortization | (627) | (530) |
Carrying Value | 1,568 | 1,665 |
Crude Oil Pipelines & Services [Member] | Contract-based intangibles [Member] |  |  |
Identifiable intangible assets [Abstract] |  |  |
Gross Value | 283 | 283 |
Accumulated Amortization | (278) | (275) |
Carrying Value | 5 | 8 |
Natural Gas Pipelines & Services [Member] |  |  |
Identifiable intangible assets [Abstract] |  |  |
Gross Value | 2,432 | 1,992 |
Accumulated Amortization | (890) | (834) |
Carrying Value | 1,542 | 1,158 |
Amortization expense | 56 | 51 | 50
Natural Gas Pipelines & Services [Member] | Customer relationship intangibles [Member] |  |  |
Identifiable intangible assets [Abstract] |  |  |
Gross Value | 1,351 | 1,351 |
Accumulated Amortization | (663) | (625) |
Carrying Value | 688 | 726 |
Natural Gas Pipelines & Services [Member] | Contract-based intangibles [Member] |  |  |
Identifiable intangible assets [Abstract] |  |  |
Gross Value | 1,081 | 641 |
Accumulated Amortization | (227) | (209) |
Carrying Value | 854 | 432 |
Petrochemical & Refined Products Services [Member] |  |  |
Identifiable intangible assets [Abstract] |  |  |
Gross Value | 226 | 226 |
Accumulated Amortization | (122) | (115) |
Carrying Value | 104 | 111 |
Amortization expense | 7 | 7 | $ 7
Petrochemical & Refined Products Services [Member] | Customer relationship intangibles [Member] |  |  |
Identifiable intangible assets [Abstract] |  |  |
Gross Value | 181 | 181 |
Accumulated Amortization | (92) | (86) |
Carrying Value | 89 | 95 |
Petrochemical & Refined Products Services [Member] | Contract-based intangibles [Member] |  |  |
Identifiable intangible assets [Abstract] |  |  |
Gross Value | 45 | 45 |
Accumulated Amortization | (30) | (29) |
Carrying Value | $ 15 | $ 16 |

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 40 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482640/350-30-55-40 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482686/350-30-45-2 + Details
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