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Partners' Capital and Distributions - Preferred Unit Distributions (Details) - USD ($) $ / shares in Units, $ in Millions |  |  | 12 Months Ended
--- | --- | --- | ---
Feb. 15, 2024 | Feb. 14, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Series A Preferred Units | Other current liabilities |  |  |  |  |
Partners Capital and Distribution [Line Items] |  |  |  |  |
Distributions payable |  |  | $ 44 |  |
Series B Preferred Units | Other current liabilities |  |  |  |  |
Partners Capital and Distribution [Line Items] |  |  |  |  |
Distributions payable |  |  | 10 |  |
Cash Distribution | Series A Preferred Units |  |  |  |  |
Partners Capital and Distribution [Line Items] |  |  |  |  |
Cash distribution |  |  | $ 166 | $ 149 | $ 149
Distribution per unit (in dollars per unit) |  |  | $ 2.34 | $ 2.10 | $ 2.10
Cash Distribution | Series A Preferred Units | Subsequent Event |  |  |  |  |
Partners Capital and Distribution [Line Items] |  |  |  |  |
Cash distribution |  | $ 44 |  |  |
Cash Distribution | Series B Preferred Units |  |  |  |  |
Partners Capital and Distribution [Line Items] |  |  |  |  |
Cash distribution |  |  | $ 75 | $ 49 | $ 49
Distribution per unit (in dollars per unit) |  |  | $ 93.43 | $ 61.25 | $ 61.25
Cash Distribution | Series B Preferred Units | Subsequent Event |  |  |  |  |
Partners Capital and Distribution [Line Items] |  |  |  |  |
Cash distribution | $ 20 |  |  |  |
Distribution per unit (in dollars per unit) | $ 24.92 |  |  |  |

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