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Derivative Assets And Liabilities Table - Partnership's Derivative Assets and Liabilities Amount of Gain (Loss) Recognized (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Amount of Gain/(Loss) Recognized in Income on Derivatives $ 15 $ (151) $ (209) $ (409)
Gains (losses) on interest rate derivatives 55 (175) [1] (277) (371) [1]
Commodity Derivatives [Member]        
Amount of Gain/(Loss) Recognized in Income on Derivatives (44) 21 53 (53)
Commodity Derivatives - Trading [Member]        
Amount of Gain/(Loss) Recognized in Income on Derivatives $ 4 $ 3 $ 15 $ 15
[1] *As adjusted. See Note 1.