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Partners' Capital and Distributions - Subsidiary Distributions (Details) - USD ($) $ / shares in Units, $ in Millions |  |  |  |  | 3 Months Ended | 6 Months Ended
--- | --- | --- | --- | --- | --- | ---
Aug. 12, 2022 | May 16, 2022 | May 13, 2022 | Feb. 14, 2022 | Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021
Partners' Capital and Distributions |  |  |  |  |  |  |  |
Total distributions paid |  |  |  |  | $ 264.0 | $ 179.0 | $ 500.0 | $ 365.0
PAA | Series A Preferred Units | Cash Distribution |  |  |  |  |  |  |  |
Partners' Capital and Distributions |  |  |  |  |  |  |  |
Preferred unit distribution amount |  |  | $ 37.0 | $ 37.0 |  |  |  |
Preferred unit distribution amount (usd per unit) |  |  | $ 0.525 | $ 0.525 |  |  |  |
PAA | Series A Preferred Units | Cash Distribution | Forecast |  |  |  |  |  |  |  |
Partners' Capital and Distributions |  |  |  |  |  |  |  |
Preferred unit distribution amount | $ 37.0 |  |  |  |  |  |  |
Preferred unit distribution amount (usd per unit) | $ 0.525 |  |  |  |  |  |  |
PAA | Series B Preferred Units | Cash Distribution |  |  |  |  |  |  |  |
Partners' Capital and Distributions |  |  |  |  |  |  |  |
Preferred unit distribution amount |  | $ 24.5 |  |  |  |  |  |
Preferred unit distribution amount (usd per unit) |  | $ 30.625 |  |  |  |  |  |
PAA | Common Units | Cash Distribution |  |  |  |  |  |  |  |
Partners' Capital and Distributions |  |  |  |  |  |  |  |
Total distributions paid |  |  | $ 153.0 | $ 127.0 |  |  |  |
Distributions per common unit, paid (usd per unit) |  |  | $ 0.2175 | $ 0.1800 |  |  |  |
PAA | Common Units | Cash Distribution | Forecast |  |  |  |  |  |  |  |
Partners' Capital and Distributions |  |  |  |  |  |  |  |
Total distributions paid | $ 152.0 |  |  |  |  |  |  |
Distributions per common unit, paid (usd per unit) | $ 0.2175 |  |  |  |  |  |  |
AAP | Cash Distribution |  |  |  |  |  |  |  |
Partners' Capital and Distributions |  |  |  |  |  |  |  |
Total distributions paid |  |  | $ 53.0 | $ 43.0 |  |  |  |
Distributions to PAGP |  |  | 42.0 | 35.0 |  |  |  |
AAP | Cash Distribution | Forecast |  |  |  |  |  |  |  |
Partners' Capital and Distributions |  |  |  |  |  |  |  |
Total distributions paid | $ 53.0 |  |  |  |  |  |  |
Distributions to PAGP | 42.0 |  |  |  |  |  |  |
Public | PAA | Common Units | Cash Distribution |  |  |  |  |  |  |  |
Partners' Capital and Distributions |  |  |  |  |  |  |  |
Total distributions paid |  |  | 100.0 | 84.0 |  |  |  |
Public | PAA | Common Units | Cash Distribution | Forecast |  |  |  |  |  |  |  |
Partners' Capital and Distributions |  |  |  |  |  |  |  |
Total distributions paid | 99.0 |  |  |  |  |  |  |
AAP | PAA | Common Units | Cash Distribution |  |  |  |  |  |  |  |
Partners' Capital and Distributions |  |  |  |  |  |  |  |
Total distributions paid |  |  | 53.0 | 43.0 |  |  |  |
AAP | PAA | Common Units | Cash Distribution | Forecast |  |  |  |  |  |  |  |
Partners' Capital and Distributions |  |  |  |  |  |  |  |
Total distributions paid | 53.0 |  |  |  |  |  |  |
Other current liabilities | PAA | Series B Preferred Units |  |  |  |  |  |  |  |
Partners' Capital and Distributions |  |  |  |  |  |  |  |
Amount accrued to distributions payable |  |  |  |  | 6.0 |  | 6.0 |
Noncontrolling Interests |  |  |  |  |  |  |  |
Partners' Capital and Distributions |  |  |  |  |  |  |  |
Total distributions paid |  |  |  |  | $ 222.0 | $ 144.0 | 423.0 | $ 295.0
Noncontrolling Interests | AAP | Cash Distribution |  |  |  |  |  |  |  |
Partners' Capital and Distributions |  |  |  |  |  |  |  |
Total distributions paid |  |  | $ 11.0 | $ 8.0 |  |  |  |
Noncontrolling Interests | AAP | Cash Distribution | Forecast |  |  |  |  |  |  |  |
Partners' Capital and Distributions |  |  |  |  |  |  |  |
Total distributions paid | $ 11.0 |  |  |  |  |  |  |
Noncontrolling Interests | Permian JV | Cash Distribution |  |  |  |  |  |  |  |
Partners' Capital and Distributions |  |  |  |  |  |  |  |
Total distributions paid |  |  |  |  |  |  | 112.0 |
Noncontrolling Interests | Red River LLC | Cash Distribution |  |  |  |  |  |  |  |
Partners' Capital and Distributions |  |  |  |  |  |  |  |
Total distributions paid |  |  |  |  |  |  | $ 9.0 |

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