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Intangible Assets and Goodwill, Intangible Assets (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Identifiable intangible assets [Abstract] |  |  |
Gross Value | $ 5,897 | $ 5,891 |
Accumulated Amortization | (2,127) | (1,926) |
Carrying Value | 3,770 | 3,965 | $ 3,151
Amortization expense | 201 | 177 | 151
Forecasted amortization expense [Abstract] |  |  |
2024 | 210 |  |
2025 | 208 |  |
2026 | 203 |  |
2027 | 185 |  |
2028 | 180 |  |
Customer relationship intangibles [Member] |  |  |
Identifiable intangible assets [Abstract] |  |  |
Carrying Value | 2,700 |  |
Contract-based intangibles [Member] |  |  |
Identifiable intangible assets [Abstract] |  |  |
Carrying Value | 1,100 |  |
NGL Pipelines & Services [Member] |  |  |
Identifiable intangible assets [Abstract] |  |  |
Gross Value | 1,201 | 1,198 |
Accumulated Amortization | (373) | (333) |
Carrying Value | 828 | 865 |
Amortization expense | 40 | 36 | 24
NGL Pipelines & Services [Member] | Customer relationship intangibles [Member] |  |  |
Identifiable intangible assets [Abstract] |  |  |
Gross Value | 449 | 449 |
Accumulated Amortization | (263) | (249) |
Carrying Value | 186 | 200 |
NGL Pipelines & Services [Member] | Contract-based intangibles [Member] |  |  |
Identifiable intangible assets [Abstract] |  |  |
Gross Value | 752 | 749 |
Accumulated Amortization | (110) | (84) |
Carrying Value | 642 | 665 |
Crude Oil Pipelines & Services [Member] |  |  |
Identifiable intangible assets [Abstract] |  |  |
Gross Value | 2,478 | 2,478 |
Accumulated Amortization | (805) | (702) |
Carrying Value | 1,673 | 1,776 |
Amortization expense | 103 | 84 | 77
Crude Oil Pipelines & Services [Member] | Customer relationship intangibles [Member] |  |  |
Identifiable intangible assets [Abstract] |  |  |
Gross Value | 2,195 | 2,195 |
Accumulated Amortization | (530) | (431) |
Carrying Value | 1,665 | 1,764 |
Crude Oil Pipelines & Services [Member] | Contract-based intangibles [Member] |  |  |
Identifiable intangible assets [Abstract] |  |  |
Gross Value | 283 | 283 |
Accumulated Amortization | (275) | (271) |
Carrying Value | 8 | 12 |
Natural Gas Pipelines & Services [Member] |  |  |
Identifiable intangible assets [Abstract] |  |  |
Gross Value | 1,992 | 1,989 |
Accumulated Amortization | (834) | (783) |
Carrying Value | 1,158 | 1,206 |
Amortization expense | 51 | 50 | 42
Natural Gas Pipelines & Services [Member] | Customer relationship intangibles [Member] |  |  |
Identifiable intangible assets [Abstract] |  |  |
Gross Value | 1,351 | 1,350 |
Accumulated Amortization | (625) | (588) |
Carrying Value | 726 | 762 |
Natural Gas Pipelines & Services [Member] | Contract-based intangibles [Member] |  |  |
Identifiable intangible assets [Abstract] |  |  |
Gross Value | 641 | 639 |
Accumulated Amortization | (209) | (195) |
Carrying Value | 432 | 444 |
Petrochemical & Refined Products Services [Member] |  |  |
Identifiable intangible assets [Abstract] |  |  |
Gross Value | 226 | 226 |
Accumulated Amortization | (115) | (108) |
Carrying Value | 111 | 118 |
Amortization expense | 7 | 7 | $ 8
Petrochemical & Refined Products Services [Member] | Customer relationship intangibles [Member] |  |  |
Identifiable intangible assets [Abstract] |  |  |
Gross Value | 181 | 181 |
Accumulated Amortization | (86) | (80) |
Carrying Value | 95 | 101 |
Petrochemical & Refined Products Services [Member] | Contract-based intangibles [Member] |  |  |
Identifiable intangible assets [Abstract] |  |  |
Gross Value | 45 | 45 |
Accumulated Amortization | (29) | (28) |
Carrying Value | $ 16 | $ 17 |

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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://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482686/350-30-45-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482665/350-30-50-2 + Details
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- Definition Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -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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