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Equity-Based Awards, Phantom Unit Awards (Details) - USD ($)
$ / shares in Units, $ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Summary of awards activity, equity instruments other than options, additional disclosures [Abstract]        
Cash payments made in connection with DERs     $ 32 $ 29
Phantom Unit Awards [Member]        
Summary of awards activity, equity instruments other than options [Roll Forward]        
Beginning of period (in units)     19,557,251  
Granted (in units) [1]     8,871,820  
Vested (in units)     (7,234,929)  
Forfeited (in units)     (458,867)  
End of period (in units) 20,735,275   20,735,275  
Phantom units outstanding, weighted-average grant date fair value [Roll Forward]        
Weighted-average grant date fair value per unit, at beginning of period (in dollars per unit) [2]     $ 24.47  
Granted weighted-average grant date fair value per unit (in dollars per unit) [1],[2]     26.25  
Vested weighted-average grant date fair value per unit (in dollars per unit) [2]     24.5  
Forfeited weighted-average grant date fair value per unit (in dollars per unit) [2]     25.38  
Weighted-average grant date fair value per unit, at end of period (in dollars per unit) [2] $ 25.2   $ 25.2  
Summary of awards activity, equity instruments other than options, additional disclosures [Abstract]        
Aggregate grant date fair value     $ 233  
Estimated forfeiture rate     2.00%  
Cash payments made in connection with DERs $ 11 $ 10 $ 32 29
Total intrinsic value of phantom unit awards that vested during period 3 $ 5 197 $ 181
Unrecognized Compensation Expense [Abstract]        
Unrecognized compensation cost 244   $ 244  
Recognition period for total unrecognized compensation cost     2 years 1 month 6 days  
Phantom Unit Awards [Member] | Minimum [Member]        
Summary of awards activity, equity instruments other than options, additional disclosures [Abstract]        
Grant date market price of common units (in dollars per unit)     $ 26.25  
Phantom Unit Awards [Member] | Maximum [Member]        
Summary of awards activity, equity instruments other than options, additional disclosures [Abstract]        
Grant date market price of common units (in dollars per unit)     $ 28.05  
Phantom Unit Awards [Member] | Enterprise [Member]        
Unrecognized Compensation Expense [Abstract]        
Unrecognized compensation cost $ 196   $ 196  
[1] The aggregate grant date fair value of phantom unit awards issued during 2024 was $233 million based on a grant date market price of the Partnership’s common units ranging from $26.25 to $28.05 per unit.  An estimated annual forfeiture rate of 2.0% was applied to these awards.
[2] Determined by dividing the aggregate grant date fair value of awards (before an allowance for forfeitures) by the number of awards issued.