v3.25.0.1
Significant Accounting Policies (Details) - USD ($)
 1 Months Ended 12 Months Ended
May 21, 2024
Apr. 30, 2024
Nov. 30, 2023
Dec. 31, 2024
Dec. 16, 2024
Jul. 31, 2022
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]            
Gain or loss on modification $ 800,000 $ 800,000        
Upfront compensation       $ 0    
Cash payments related to transfer of assets       $ 0    
Unvested Restricted Stock Units [Member]            
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]            
Unvested restricted stock, term       Our participating securities consist of unvested restricted stock units that vest no later than three years following grant date as well as certain four-year retention awards that participate in nonforfeitable dividends with the common equity owners.    
Commercial Paper Program [Member]            
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]            
Agreement description       Under the terms of the Commercial Paper Program, we may issue, from time to time, unsecured commercial paper notes with varying maturities of less than one year.    
Amount outstanding       $ 3,500,000,000   $ 3,500,000,000
Aggregate principal amount issued       $ 3,500,000,000   $ 3,500,000,000
Commercial Paper Program [Member] | Unsecured Commercial Paper Notes [Member]            
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]            
Agreement description       Under the terms of the unsecured commercial paper note program (the “Commercial Paper Program”), we may issue, from time to time, unsecured commercial paper notes with varying maturities of less than one year.    
Term Loan Facility [Member]            
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]            
Gain or loss on modification     $ 2,100,000      
Term Loan Facility [Member] | Senior Unsecured Notes [Member]            
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]            
Amount outstanding       $ 1,500,000,000    
Aggregate principal amount issued       $ 1,500,000,000    
WestTex LLC [Member]            
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]            
Ownership interest       72.80%    
Cedar Bayou Fractionators LP [Member]            
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]            
Ownership interest         12.00%  
Logistics and Transportation [Member] | Train Seven [Member] | Targa Resources Partners Lp [Member]            
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]            
Ownership interest       80.00%    
Logistics and Transportation [Member] | Cayenne Pipeline Limited Liability Company [Member] | Targa Resources Partners Lp [Member]            
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]            
Ownership interest       50.00%    
Logistics and Transportation [Member] | Gulf Coast Fractionators [Member] | Targa Resources Partners Lp [Member]            
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]            
Ownership interest       38.80%    
Logistics and Transportation [Member] | Blackcomb [Member] | Targa Resources Partners Lp [Member]            
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]            
Ownership interest       17.50%    
Gathering and Processing [Member] | Centrahoma Processing LLC [Member]            
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]            
Ownership interest       60.00%    
Gathering and Processing [Member] | Targa Badlands LLC [Member]            
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]            
Ownership interest       55.00%    
Gathering and Processing [Member] | Venice Energy Services [Member]            
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]            
Ownership interest       76.80%    
Gathering and Processing [Member] | Little Missouri 4 [Member] | Targa Resources Partners Lp [Member]            
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]            
Ownership interest       50.00%    
Minimum [Member]            
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]            
Payment of commodities due period       10 days    
Maximum [Member]            
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]            
Payment of commodities due period       30 days    
Maximum [Member] | Unvested Restricted Stock Units [Member]            
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]            
Vesting period       3 years    
Maximum [Member] | Retention RSU Awards [Member]            
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]            
Vesting period       4 years