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Revenue - Remaining Performance Obligations (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |  |  |
Revenue, Remaining Performance Obligation, Amount | $ 1,145 |  |
Contract liabilities | 125 | $ 39 | $ 0
Deferred Revenue, Additions | 40 | 26 |
Deferred Revenue, Contributed to JV |  | (29) |
Deferred Revenue, Revenue Recognized | (38) | (39) |
Contract assets | 480 | 288 | 256
Increase (Decrease) in Accounts Receivable | (212) | 212 | (34)
Long-term Contract with Customer [Member] |  |  |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |  |  |
Accounts receivable from contracts with customers | 1,686 | 1,084 | $ 809
NuStar Acquisition |  |  |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |  |  |
Deferred Revenue, Additions |  | 78 |
Zenith European Terminals acquisition |  |  |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |  |  |
Deferred Revenue, Additions |  | $ 3 |
Parkland Acquisition |  |  |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |  |  |
Deferred Revenue, Additions | $ 84 |  |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-01-01 |  |  |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |  |  |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Year | 2026 |  |
Revenue, Remaining Performance Obligation, Amount | $ 336 |  |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period | 1 year |  |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2027-01-01 |  |  |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |  |  |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Year | 2027 |  |
Revenue, Remaining Performance Obligation, Amount | $ 195 |  |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period | 2 years |  |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2028-01-01 |  |  |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |  |  |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Year | 2028 |  |
Revenue, Remaining Performance Obligation, Amount | $ 161 |  |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period | 3 years |  |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2029-01-01 |  |  |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |  |  |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Year | 2029 |  |
Revenue, Remaining Performance Obligation, Amount | $ 114 |  |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period | 4 years |  |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2030-01-01 |  |  |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |  |  |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Year | 2030 |  |
Revenue, Remaining Performance Obligation, Amount | $ 100 |  |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period | 5 years |  |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2031-01-01 |  |  |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |  |  |
Revenue, Remaining Performance Obligation, Amount | $ 239 |  |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period | 6 years |  |

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