Investments in Unconsolidated Affiliates - Additional Information (Details) - Targa Resources Partners LP [Member]	Mar. 31, 2022 JointVenture
Gulf Coast Fractionators LP [Member] | Logistics and Transportation [Member]
Schedule Of Equity Method Investments [Line Items]
Ownership interest	38.80%
T2 Joint Ventures [Member] | Gathering and Processing [Member]
Schedule Of Equity Method Investments [Line Items]
Number of operated joint ventures	2
T2 LaSalle [Member] | Gathering and Processing [Member]
Schedule Of Equity Method Investments [Line Items]
Ownership interest	75.00%
T2 Eagle Ford [Member] | Gathering and Processing [Member]
Schedule Of Equity Method Investments [Line Items]
Ownership interest	50.00%
Cayenne Joint Venture [Member] | Gathering and Processing [Member]
Schedule Of Equity Method Investments [Line Items]
Ownership interest	50.00%
GCX [Member] | Logistics and Transportation [Member]
Schedule Of Equity Method Investments [Line Items]
Ownership interest	25.00%
Little Missouri 4 [Member] | Logistics and Transportation [Member]
Schedule Of Equity Method Investments [Line Items]
Ownership interest	50.00%