v3.25.2
Derivative Instruments and Hedging Activities - Notional Volumes Of The Partnership's Commodity Derivative Contracts (Details) - Targa Resources Partners LP [Member]
 6 Months Ended
Jun. 30, 2025
MMBTU
bbl
Swaps [Member] | Year 2025 [Member] | Natural Gas [Member]  
Derivative [Line Items]  
Notional volumes of commodity hedges (in MMBtu per day) | MMBTU 81,584
Swaps [Member] | Year 2025 [Member] | NGL [Member]  
Derivative [Line Items]  
Notional volumes of commodity hedges (in Bbl per day) 44,183
Swaps [Member] | Year 2025 [Member] | Condensate [Member]  
Derivative [Line Items]  
Notional volumes of commodity hedges (in Bbl per day) 8,023
Swaps [Member] | Year 2026 [Member] | Natural Gas [Member]  
Derivative [Line Items]  
Notional volumes of commodity hedges (in MMBtu per day) | MMBTU 81,604
Swaps [Member] | Year 2026 [Member] | NGL [Member]  
Derivative [Line Items]  
Notional volumes of commodity hedges (in Bbl per day) 31,685
Swaps [Member] | Year 2026 [Member] | Condensate [Member]  
Derivative [Line Items]  
Notional volumes of commodity hedges (in Bbl per day) 8,249
Swaps [Member] | Year 2027 [Member] | Natural Gas [Member]  
Derivative [Line Items]  
Notional volumes of commodity hedges (in MMBtu per day) | MMBTU 44,508
Swaps [Member] | Year 2027 [Member] | NGL [Member]  
Derivative [Line Items]  
Notional volumes of commodity hedges (in Bbl per day) 15,863
Swaps [Member] | Year 2027 [Member] | Condensate [Member]  
Derivative [Line Items]  
Notional volumes of commodity hedges (in Bbl per day) 2,381
Swaps [Member] | Year 2028 [Member] | Natural Gas [Member]  
Derivative [Line Items]  
Notional volumes of commodity hedges (in MMBtu per day) | MMBTU 11,047
Swaps [Member] | Year 2028 [Member] | NGL [Member]  
Derivative [Line Items]  
Notional volumes of commodity hedges (in Bbl per day) 3,944
Swaps [Member] | Year 2028 [Member] | Condensate [Member]  
Derivative [Line Items]  
Notional volumes of commodity hedges (in Bbl per day) 592
Basis Swaps [Member] | Year 2025 [Member] | Natural Gas [Member]  
Derivative [Line Items]  
Notional volumes of commodity hedges (in MMBtu per day) | MMBTU 568,668
Basis Swaps [Member] | Year 2026 [Member] | Natural Gas [Member]  
Derivative [Line Items]  
Notional volumes of commodity hedges (in MMBtu per day) | MMBTU 368,459
Basis Swaps [Member] | Year 2027 [Member] | Natural Gas [Member]  
Derivative [Line Items]  
Notional volumes of commodity hedges (in MMBtu per day) | MMBTU 288,329
Basis Swaps [Member] | Year 2028 [Member] | Natural Gas [Member]  
Derivative [Line Items]  
Notional volumes of commodity hedges (in MMBtu per day) | MMBTU 100,000
Future [Member] | Year 2025 [Member] | NGL [Member]  
Derivative [Line Items]  
Notional volumes of commodity hedges (in Bbl per day) 35,793
Future [Member] | Year 2026 [Member] | NGL [Member]  
Derivative [Line Items]  
Notional volumes of commodity hedges (in Bbl per day) 4,726
Future [Member] | Year 2027 [Member] | NGL [Member]  
Derivative [Line Items]  
Notional volumes of commodity hedges (in Bbl per day) 0
Future [Member] | Year 2028 [Member] | NGL [Member]  
Derivative [Line Items]  
Notional volumes of commodity hedges (in Bbl per day) 0