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Investments in Unconsolidated Entities - Equity Method Investments (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
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Investments in Unconsolidated Entities |  |  |
Investments in unconsolidated entities | $ 2,811 | $ 2,820 | $ 3,084
BridgeTex Pipeline Company, LLC (“BridgeTex”) |  |  |
Investments in Unconsolidated Entities |  |  |
Ownership interest in unconsolidated entity (as a percent) | 20.00% |  |
Investments in unconsolidated entities | $ 403 | 363 |
Capline Pipeline Company LLC (“Capline”) |  |  |
Investments in Unconsolidated Entities |  |  |
Ownership interest in unconsolidated entity (as a percent) | 54.00% |  |
Investments in unconsolidated entities | $ 501 | 535 |
Diamond Pipeline LLC |  |  |
Investments in Unconsolidated Entities |  |  |
Ownership interest in unconsolidated entity (as a percent) | 50.00% |  |
Investments in unconsolidated entities | $ 440 | 450 |
Eagle Ford Pipeline LLC |  |  |
Investments in Unconsolidated Entities |  |  |
Ownership interest in unconsolidated entity (as a percent) | 50.00% |  |
Investments in unconsolidated entities | $ 364 | 370 |
Eagle Ford Terminals Corpus Christi LLC |  |  |
Investments in Unconsolidated Entities |  |  |
Ownership interest in unconsolidated entity (as a percent) | 50.00% |  |
Investments in unconsolidated entities | $ 113 | 116 |
Saddlehorn Pipeline Company, LLC (“Saddlehorn”) |  |  |
Investments in Unconsolidated Entities |  |  |
Ownership interest in unconsolidated entity (as a percent) | 40.00% |  |
Investments in unconsolidated entities | $ 275 | 192 |
White Cliffs Pipeline, L.L.C. |  |  |
Investments in Unconsolidated Entities |  |  |
Ownership interest in unconsolidated entity (as a percent) | 36.00% |  |
Investments in unconsolidated entities | $ 123 | 138 |
Wink to Webster Pipeline LLC (“W2W Pipeline”) |  |  |
Investments in Unconsolidated Entities |  |  |
Ownership interest in unconsolidated entity (as a percent) | 17.00% |  |
Investments in unconsolidated entities | $ 393 | 380 |
Other investments |  |  |
Investments in Unconsolidated Entities |  |  |
Investments in unconsolidated entities | $ 199 | $ 276 |

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