v3.26.1
Debt Obligations - Range of Interest Rates and Weighted Average Interest Rate Incurred on Variable Rate Debt Obligations (Details)
Mar. 31, 2026
TRGP Revolver and Commercial Paper Program [Member]  
Debt Instrument [Line Items]  
Weighted average interest rate incurred 3.90%
Targa Resources Partners LP [Member] | Securitization Facility [Member]  
Debt Instrument [Line Items]  
Weighted average interest rate incurred 4.50%
Minimum [Member] | TRGP Revolver and Commercial Paper Program [Member]  
Debt Instrument [Line Items]  
Range of interest rates incurred 3.90%
Minimum [Member] | Targa Resources Partners LP [Member] | Securitization Facility [Member]  
Debt Instrument [Line Items]  
Range of interest rates incurred 4.40%
Maximum [Member] | TRGP Revolver and Commercial Paper Program [Member]  
Debt Instrument [Line Items]  
Range of interest rates incurred 4.00%
Maximum [Member] | Targa Resources Partners LP [Member] | Securitization Facility [Member]  
Debt Instrument [Line Items]  
Range of interest rates incurred 4.50%