v3.26.1
Partners' Capital and Distributions - Noncontrolling Interests (Details) - Cash Distribution - AAP - USD ($)
$ in Millions
3 Months Ended
Sep. 30, 2026
Jun. 30, 2026
Mar. 31, 2026
Partners' Capital and Distributions [Line Items]      
Noncontrolling Interests   $ 14 $ 14
PAGP   83 83
Total Cash Distribution   $ 97 $ 97
Subsequent Event      
Partners' Capital and Distributions [Line Items]      
Noncontrolling Interests $ 14    
PAGP 83    
Total Cash Distribution $ 97