XML 49 R38.htm IDEA: XBRL DOCUMENT v3.24.2.u1
Net Income Per Common Unit (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Basic and Diluted Net Income per Common Unit        
Net income attributable to PAA $ 250 $ 293 $ 515 $ 715
Amounts allocated to participating securities (8) (5) (9) (8)
Other 1 1 3 2
Net income allocated to common unitholders - Basic 180 227 382 588
Net income allocated to common unitholders - Diluted 180 227 382 588
Series A Preferred Units        
Basic and Diluted Net Income per Common Unit        
Distributions to preferred unitholders $ (44) $ (44) $ (88) $ (85)
Series A Preferred Units | Weighted Average        
Net Income/(Loss) Per Common Unit        
Antidilutive securities excluded from computation of net income per common unit (units) 71 71 71 71
Series B Preferred Units        
Basic and Diluted Net Income per Common Unit        
Distributions to preferred unitholders $ (19) $ (18) $ (39) $ (36)
Common Units        
Basic and Diluted Net Income per Common Unit        
Basic weighted average common units outstanding (units) 701 698 701 698
Diluted weighted average common units outstanding (units) 701 698 701 698
Basic net income per common unit (usd per unit) $ 0.26 $ 0.32 $ 0.55 $ 0.84
Diluted net income per common unit (usd per unit) $ 0.26 $ 0.32 $ 0.55 $ 0.84