XML 74 R63.htm IDEA: XBRL DOCUMENT v3.20.2
Related Party Transactions (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2020
Dec. 31, 2019
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Related Party Transaction [Line Items]            
Revenues from related parties     $ 10 $ 231 $ 33 $ 456
Purchases and related costs from related parties     94 $ (14) 223 $ 100
Trade accounts receivable and other receivables, net from related parties $ 131 $ 134 131   131  
Trade accounts payable to related parties $ 46 $ 102 $ 46   $ 46  
Class C Shares | PAA            
Related Party Transaction [Line Items]            
Ownership interest (in shares) 550,837,140 549,538,139        
Agreement To Transport Crude Oil On Pipeline Of Equity Method Investee | Equity Method Investee            
Related Party Transaction [Line Items]            
Ownership interest in unconsolidated entity 50.00%   50.00%   50.00%  
Minimum | AAP | Principal Owner            
Related Party Transaction [Line Items]            
Limited partner interest         10.00%