XML 44 R44.htm IDEA: XBRL DOCUMENT v3.20.1
Net Income/(Loss) Per Class A Share (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Basic and Diluted Net Income/(Loss) per Class A Share    
Net income/(loss) attributable to PAGP $ (581) $ 147
AAP Units    
Net Income Per Class A Share    
Antidilutive securities excluded from the computation of net income/(loss per Class A share 63.0 120.0
AAP Management Units    
Net Income Per Class A Share    
Antidilutive securities excluded from the computation of net income/(loss per Class A share 1.0 2.0
Class A Shares    
Basic and Diluted Net Income/(Loss) per Class A Share    
Basic and diluted weighted average Class A shares outstanding (in shares) 183.0 159.0
Basic and diluted net income/(loss) per Class A share (in dollars per share) $ (3.18) $ 0.92
Maximum    
Net Income Per Class A Share    
Dilutive LTIP awards (shares)   0.1