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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, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Summary of awards activity, equity instruments other than options, additional disclosures [Abstract]        
Cash payments made in connection with DERs     $ 29 $ 26
Phantom Unit Awards [Member]        
Summary of awards activity, equity instruments other than options [Roll Forward]        
Beginning of period (in units)     17,982,945  
Granted (in units) [1]     8,904,445  
Vested (in units)     (6,761,823)  
Forfeited (in units)     (459,279)  
End of period (in units) 19,666,288   19,666,288  
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]     $ 23.94  
Granted weighted-average grant date fair value per unit (in dollars per unit) [1],[2]     25.8  
Vested weighted-average grant date fair value per unit (in dollars per unit) [2]     24.81  
Forfeited weighted-average grant date fair value per unit (in dollars per unit) [2]     24.52  
Weighted-average grant date fair value per unit, at end of period (in dollars per unit) [2] $ 24.47   $ 24.47  
Summary of awards activity, equity instruments other than options, additional disclosures [Abstract]        
Aggregate grant date fair value     $ 230  
Estimated forfeiture rate     2.00%  
Cash payments made in connection with DERs $ 10 $ 9 $ 29 26
Total intrinsic value of phantom unit awards that vested during period 5 $ 6 181 $ 155
Unrecognized Compensation Expense [Abstract]        
Unrecognized compensation cost 225   $ 225  
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)     $ 25.8  
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)     $ 26.7  
Phantom Unit Awards [Member] | Enterprise [Member]        
Unrecognized Compensation Expense [Abstract]        
Unrecognized compensation cost $ 184   $ 184  
[1] The aggregate grant date fair value of phantom unit awards issued during 2023 was $230 million based on a grant date market price of the Partnership’s common units ranging from $25.80 to $26.70 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.