v3.25.2
Debt Obligations - Range of Interest Rates and Weighted Average Interest Rate Incurred on Variable Rate Debt Obligations (Details)
Jun. 30, 2025
TRGP Revolver and Commercial Paper Program [Member]  
Debt Instrument [Line Items]  
Weighted average interest rate incurred 4.70%
Targa Resources Partners LP [Member] | Securitization Facility [Member]  
Debt Instrument [Line Items]  
Weighted average interest rate incurred 5.20%
Minimum [Member] | TRGP Revolver and Commercial Paper Program [Member]  
Debt Instrument [Line Items]  
Range of interest rates incurred 4.60%
Minimum [Member] | Targa Resources Partners LP [Member] | Securitization Facility [Member]  
Debt Instrument [Line Items]  
Range of interest rates incurred 5.20%
Maximum [Member] | TRGP Revolver and Commercial Paper Program [Member]  
Debt Instrument [Line Items]  
Range of interest rates incurred 4.80%
Maximum [Member] | Targa Resources Partners LP [Member] | Securitization Facility [Member]  
Debt Instrument [Line Items]  
Range of interest rates incurred 5.30%