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Derivatives and Risk Management Activities - Preferred Distribution Rate (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2021
Derivatives and Risk Management Activities      
Loss recognized $ 44 $ 67  
Preferred Distribution Rate Reset Option | Derivatives Not Designated as a Hedge | Other long-term liabilities and deferred credits      
Derivatives and Risk Management Activities      
Derivative liability 44    
Preferred Distribution Rate Reset Option | Derivatives Not Designated as a Hedge | Other long-term liabilities and deferred credits | Maximum      
Derivatives and Risk Management Activities      
Derivative liability     $ 1
Preferred Distribution Rate Reset Option | Derivatives Not Designated as a Hedge | Other expense, net      
Derivatives and Risk Management Activities      
Loss recognized $ 44 $ 67