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Partners' Capital and Distributions - Preferred Unit Issuance (Details)
$ / shares in Units, shares in Millions, $ in Millions
 1 Months Ended 12 Months Ended
Feb. 18, 2025
$ / shares
Jan. 31, 2025
USD ($)
shares
Jan. 31, 2023
$ / shares
Oct. 10, 2017
$ / shares
Jan. 31, 2025
May 31, 2023
$ / shares
Dec. 31, 2024
transaction
$ / shares
Dec. 31, 2023
$ / shares
Dec. 31, 2022
$ / shares
Aug. 15, 2023
Nov. 15, 2022
$ / shares
Jan. 28, 2016
$ / shares
Partners Capital and Distribution [Line Items]                        
Number of days after end of quarter within which distributions must be paid to unitholders (in days)             45 days          
Series A Preferred Units                        
Partners Capital and Distribution [Line Items]                        
Shares issued, price per share (in dollars per unit)                       $ 26.25
Quarterly distributions per unit (in dollars per unit)           $ 0.585 $ 0.525          
Annualized distribution rate (in dollars per unit)     $ 2.46       $ 2.10          
Distribution rate reset, basis spread on variable rate (as a percent)             5.85%          
Distribution rate (as a percent)     9.375%                  
Number of redemptions transactions limited to | transaction             2          
Value of common units if exchanged for redemption of preferred units, as a percentage of weighted average price (as a percent)             95.00%          
Redemption price as a percentage of issue price (as a percent)             110.00%          
Series A preferred unit conversion ratio             1          
Series A Preferred Units | Subsequent Event                        
Partners Capital and Distribution [Line Items]                        
Repurchase and cancellation of common units under the Common Equity Repurchase Program (in units) | shares   12.7                    
Preferred units, outstanding repurchased rate   0.18     0.18              
Common equity repurchase program, repurchased amount | $   $ 333                    
Series A Preferred Units | Cash Distribution                        
Partners Capital and Distribution [Line Items]                        
Distribution per unit (in dollars per unit)             $ 2.46 $ 2.34 $ 2.10      
Series B Preferred Units                        
Partners Capital and Distribution [Line Items]                        
Sale of units, price per unit (in dollars per unit)       $ 1,000                
Liquidation preference (in dollars per unit)             $ 1,000          
Dividend rate percentage (as a percent)             6.125%          
Distribution rate (in dollars per unit)             $ 61.25          
Preferred unit, distribution percentage spread (as a percent)                   4.11% 4.11%  
Preferred unit, credit percentage spread (as a percent)                   0.26161%    
Redemption price (in dollars per unit)                     $ 1,000  
Series B Preferred Units | Subsequent Event                        
Partners Capital and Distribution [Line Items]                        
Dividend rate percentage (as a percent) 8.89507%                      
Series B Preferred Units | Cash Distribution                        
Partners Capital and Distribution [Line Items]                        
Distribution per unit (in dollars per unit)             $ 98.14 $ 93.43 $ 61.25      
Series B Preferred Units | Cash Distribution | Subsequent Event                        
Partners Capital and Distribution [Line Items]                        
Distribution per unit (in dollars per unit) $ 22.73