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Intangible Assets and Goodwill - Schedule of Amortization Expense of our Intangible Assets by Business Segment (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Finite-Lived Intangible Assets [Line Items] |  |  |
Amortization of intangible assets | $ 216 | $ 207 | $ 201
NGL Pipelines & Services |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Amortization of intangible assets | 49 | 44 | 40
Crude Oil Pipelines & Services |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Amortization of intangible assets | 85 | 100 | 103
Natural Gas Pipelines & Services |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Amortization of intangible assets | 75 | 56 | 51
Petrochemical & Refined Products Services |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Amortization of intangible assets | $ 7 | $ 7 | $ 7

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