v3.26.1
Investments in Unconsolidated Affiliates - Activity Related to Partnership's Investments in Unconsolidated Affiliates (Parenthetical) (Details) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Targa Resources Partners LP [Member] | Blackcomb [Member]    
Schedule Of Equity Method Investments [Line Items]    
Capitalized interest $ 3.7 $ 1.9