v3.26.1
Related Party Transactions - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Related Party Transaction [Line Items]      
Related party interest expense $ 167 $ 127  
PAGP | Related Party Promissory Notes | General Partner      
Related Party Transaction [Line Items]      
Related party interest receivable 7   $ 30
Related party interest payable 7   $ 30
Related party interest expense 23 20  
Related party interest income $ 23 $ 20