v3.26.1
Partners' Capital and Distributions - Distributions (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended
May 15, 2026
Feb. 13, 2026
Jun. 30, 2026
Mar. 31, 2026
Mar. 31, 2025
Partners Capital and Distribution          
Distributions       $ 450 $ 456
Cash Distribution | Common Units          
Partners Capital and Distribution          
Distributions   $ 295      
Distribution per common unit (usd per unit)   $ 0.4175      
Cash Distribution | Common Units | Forecast          
Partners Capital and Distribution          
Distributions     $ 295    
Distribution per common unit (usd per unit)     $ 0.4175    
Public | Cash Distribution | Common Units          
Partners Capital and Distribution          
Distributions   $ 198      
Public | Cash Distribution | Common Units | Forecast          
Partners Capital and Distribution          
Distributions $ 198        
AAP | Cash Distribution | Common Units          
Partners Capital and Distribution          
Distributions   $ 97      
AAP | Cash Distribution | Common Units | Forecast          
Partners Capital and Distribution          
Distributions     $ 97