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v3.25.1

Net Income Per Common Unit (Details) - USD ($) $ / shares in Units, $ in Millions |  | 3 Months Ended
--- | --- | ---
Jan. 31, 2025 | Mar. 31, 2025 | Mar. 31, 2024
Basic and Diluted Net Income per Common Unit |  |  |
Net income attributable to PAA |  | $ 443 | $ 266
Amounts allocated to participating securities |  | (1) | (1)
Other |  | 1 | 1
Net income allocated to common unitholders - Basic |  | 343 | 203
Net income allocated to common unitholders - Diluted |  | 343 | 203
Series A Preferred Units |  |  |
Basic and Diluted Net Income per Common Unit |  |  |
Distributions to preferred unitholders |  | (39) | (44)
Preferred Stock Redemption Premium |  | $ (43) |
Repurchase and cancellation of common units under the common equity repurchase program (units) | 12,700,000 | 12,678,560 |
Series B Preferred Units |  |  |
Basic and Diluted Net Income per Common Unit |  |  |
Distributions to preferred unitholders |  | $ (18) | $ (19)
Common Units |  |  |
Basic and Diluted Net Income per Common Unit |  |  |
Basic weighted average common units outstanding (units) |  | 704,000,000 | 701,000,000
Diluted weighted average common units outstanding (units) |  | 704,000,000 | 701,000,000
Basic net income per common unit (usd per unit) |  | $ 0.49 | $ 0.29
Diluted net income per common unit (usd per unit) |  | $ 0.49 | $ 0.29
Weighted Average | Series A Preferred Units |  |  |
Net Income/(Loss) Per Common Unit |  |  |
Antidilutive securities excluded from computation of net income per common unit (units) |  | 63,000,000 | 71,000,000

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