v3.25.1
Related Party Transactions - Promissory Notes with our General Partner (Details) - PAGP - Related Party Promissory Notes - General Partner - USD ($)
$ in Millions
Mar. 31, 2025
Dec. 31, 2024
Related Party Transaction [Line Items]    
Related party note receivable $ 1,278 $ 948
Related party note payable $ 1,278 $ 948