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Partners' Capital and Distributions - Noncontrolling Interest in Subsidiaries (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021
Noncontrolling Interest [Line Items] |  |  |  |
Distributions paid | $ 264 | $ 179 | $ 500 | $ 365
Permian JV |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Noncontrolling interests in subsidiaries (percent) | 35.00% |  | 35.00% |
Red River LLC |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Noncontrolling interests in subsidiaries (percent) | 33.00% |  | 33.00% |
Noncontrolling Interests |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Distributions paid | $ 62 |  | $ 121 | $ 6
Permian JV | Noncontrolling Interests | Cash Distribution |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Distributions paid |  |  | 112 |
Red River LLC | Noncontrolling Interests | Cash Distribution |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Distributions paid |  |  | $ 9 |

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