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Intangible Assets and Goodwill (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Dec. 31, 2023
Identifiable intangible assets [Abstract] |  |  |  |  |
Gross Value | $ 5,899 |  | $ 5,899 |  | $ 5,897
Accumulated Amortization | (2,228) |  | (2,228) |  | (2,127)
Carrying Value | 3,671 |  | 3,671 |  | 3,770
Amortization expense | 51 | $ 50 | 101 | $ 96 |
Forecasted amortization expense [Abstract] |  |  |  |  |
Remainder of 2024 | 107 |  | 107 |  |
2025 | 209 |  | 209 |  |
2026 | 203 |  | 203 |  |
2027 | 185 |  | 185 |  |
2028 | 181 |  | 181 |  |
NGL Pipelines & Services [Member] |  |  |  |  |
Identifiable intangible assets [Abstract] |  |  |  |  |
Gross Value | 1,202 |  | 1,202 |  | 1,201
Accumulated Amortization | (394) |  | (394) |  | (373)
Carrying Value | 808 |  | 808 |  | 828
Amortization expense | 11 | 10 | 21 | 19 |
NGL Pipelines & Services [Member] | Customer relationship intangibles [Member] |  |  |  |  |
Identifiable intangible assets [Abstract] |  |  |  |  |
Gross Value | 449 |  | 449 |  | 449
Accumulated Amortization | (269) |  | (269) |  | (263)
Carrying Value | 180 |  | 180 |  | 186
NGL Pipelines & Services [Member] | Contract-based intangibles [Member] |  |  |  |  |
Identifiable intangible assets [Abstract] |  |  |  |  |
Gross Value | 753 |  | 753 |  | 752
Accumulated Amortization | (125) |  | (125) |  | (110)
Carrying Value | 628 |  | 628 |  | 642
Crude Oil Pipelines & Services [Member] |  |  |  |  |
Identifiable intangible assets [Abstract] |  |  |  |  |
Gross Value | 2,478 |  | 2,478 |  | 2,478
Accumulated Amortization | (856) |  | (856) |  | (805)
Carrying Value | 1,622 |  | 1,622 |  | 1,673
Amortization expense | 26 | 25 | 51 | 48 |
Crude Oil Pipelines & Services [Member] | Customer relationship intangibles [Member] |  |  |  |  |
Identifiable intangible assets [Abstract] |  |  |  |  |
Gross Value | 2,195 |  | 2,195 |  | 2,195
Accumulated Amortization | (579) |  | (579) |  | (530)
Carrying Value | 1,616 |  | 1,616 |  | 1,665
Crude Oil Pipelines & Services [Member] | Contract-based intangibles [Member] |  |  |  |  |
Identifiable intangible assets [Abstract] |  |  |  |  |
Gross Value | 283 |  | 283 |  | 283
Accumulated Amortization | (277) |  | (277) |  | (275)
Carrying Value | 6 |  | 6 |  | 8
Natural Gas Pipelines & Services [Member] |  |  |  |  |
Identifiable intangible assets [Abstract] |  |  |  |  |
Gross Value | 1,993 |  | 1,993 |  | 1,992
Accumulated Amortization | (860) |  | (860) |  | (834)
Carrying Value | 1,133 |  | 1,133 |  | 1,158
Amortization expense | 13 | 13 | 26 | 25 |
Natural Gas Pipelines & Services [Member] | Customer relationship intangibles [Member] |  |  |  |  |
Identifiable intangible assets [Abstract] |  |  |  |  |
Gross Value | 1,351 |  | 1,351 |  | 1,351
Accumulated Amortization | (644) |  | (644) |  | (625)
Carrying Value | 707 |  | 707 |  | 726
Natural Gas Pipelines & Services [Member] | Contract-based intangibles [Member] |  |  |  |  |
Identifiable intangible assets [Abstract] |  |  |  |  |
Gross Value | 642 |  | 642 |  | 641
Accumulated Amortization | (216) |  | (216) |  | (209)
Carrying Value | 426 |  | 426 |  | 432
Petrochemical & Refined Products Services [Member] |  |  |  |  |
Identifiable intangible assets [Abstract] |  |  |  |  |
Gross Value | 226 |  | 226 |  | 226
Accumulated Amortization | (118) |  | (118) |  | (115)
Carrying Value | 108 |  | 108 |  | 111
Amortization expense | 1 | $ 2 | 3 | $ 4 |
Petrochemical & Refined Products Services [Member] | Customer relationship intangibles [Member] |  |  |  |  |
Identifiable intangible assets [Abstract] |  |  |  |  |
Gross Value | 181 |  | 181 |  | 181
Accumulated Amortization | (88) |  | (88) |  | (86)
Carrying Value | 93 |  | 93 |  | 95
Petrochemical & Refined Products Services [Member] | Contract-based intangibles [Member] |  |  |  |  |
Identifiable intangible assets [Abstract] |  |  |  |  |
Gross Value | 45 |  | 45 |  | 45
Accumulated Amortization | (30) |  | (30) |  | (29)
Carrying Value | $ 15 |  | $ 15 |  | $ 16

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