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Equity Narrative (Details) - USD ($)
$ / shares in Units, $ in Millions
 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Feb. 15, 2028
May 15, 2024
Aug. 15, 2023
Dec. 31, 2022
Stock Repurchase Program, Remaining Authorized Repurchase Amount $ 880          
Stock Issued During Period, Value, Dividend Reinvestment Plan $ 48 $ 26        
Stock Issued During Period, Shares, Dividend Reinvestment Plan 3,700,000          
Common Units Remaining Available to be Issued Under Distribution Reinvestment Plan 8,000,000          
USAC Issue Tranche 2            
Class of Warrant or Right, Exercise Price of Warrants or Rights           $ 19.59
USAC [Member]            
Warrants and Rights Outstanding $ 10          
Series F Preferred Units [Member]            
Preferred Stock, Shares Outstanding 500,000          
Series G Preferred Units [Member]            
Preferred Stock, Shares Outstanding 1,484,780          
Series E Preferred Units [Member]            
Preferred Stock, Shares Outstanding 32,000,000          
Series E Preferred Units [Member] | Subsequent Event            
Preferred Units, Liquidation Spread, Percent       5.161%    
Series E Preferred Units [Member] | Subsequent Event | Tenor spread adjustment            
Preferred Units, Liquidation Spread, Percent       0.26161%    
Series D Preferred Units [Member]            
Preferred Stock, Shares Outstanding 17,800,000          
Series D Preferred Units [Member] | Subsequent Event            
Preferred Units, Liquidation Spread, Percent         4.738%  
Series D Preferred Units [Member] | Subsequent Event | Tenor spread adjustment            
Preferred Units, Liquidation Spread, Percent         0.26161%  
Series C Preferred Units [Member]            
Preferred Stock, Shares Outstanding 18,000,000          
Preferred Stock, Dividend Rate, Percentage 7.375%          
Shares Issued, Price Per Share $ 25          
Preferred Units, Liquidation Spread, Percent 4.53%          
Series C Preferred Units [Member] | Subsequent Event            
Preferred Units, Liquidation Spread, Percent         4.53%  
Series C Preferred Units [Member] | Subsequent Event | Tenor spread adjustment            
Preferred Units, Liquidation Spread, Percent         0.26161%  
Series B Preferred Units [Member]            
Preferred Stock, Shares Outstanding 550,000          
Series B Preferred Units [Member] | Subsequent Event            
Preferred Units, Liquidation Spread, Percent     4.155%      
Series B Preferred Units [Member] | Subsequent Event | Tenor spread adjustment            
Preferred Units, Liquidation Spread, Percent     0.26161%      
Series A Preferred Units [Member]            
Preferred Stock, Shares Outstanding 950,000          
Preferred Stock, Dividend Rate, Percentage 6.25%          
Shares Issued, Price Per Share $ 1,000          
Preferred Units, Liquidation Spread, Percent 4.028%          
Series A Preferred Units [Member] | Subsequent Event            
Preferred Units, Liquidation Spread, Percent         4.028%  
Series A Preferred Units [Member] | Subsequent Event | Tenor spread adjustment            
Preferred Units, Liquidation Spread, Percent         0.26161%  
Series H Preferred Units            
Preferred Stock, Shares Outstanding 900,000