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CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN PARTNERS' CAPITAL - USD ($)
$ in Millions
Total
Partners’ Capital Excluding Noncontrolling Interests
Noncontrolling Interests
Limited Partners
Series A Preferred Units
Partners’ Capital Excluding Noncontrolling Interests
Limited Partners
Series B Preferred Units
Partners’ Capital Excluding Noncontrolling Interests
Limited Partners
Common Units
Partners’ Capital Excluding Noncontrolling Interests
Beginning balance at Dec. 31, 2019 $ 13,195 $ 13,062 $ 133 $ 1,505 $ 787 $ 10,770
Increase (Decrease) in Partners' Capital            
Net income/(loss) (2,845) (2,847) 2 37 12 (2,896)
Distributions (Note 7) (311) (311)   (37) (12) (262)
Other comprehensive income (loss) (327) (327)       (327)
Contributions from noncontrolling interests 8   8      
Other 2 2       2
Ending balance at Mar. 31, 2020 9,722 9,579 143 1,505 787 7,287
Beginning balance at Dec. 31, 2020 9,738 9,593 145 1,505 787 7,301
Increase (Decrease) in Partners' Capital            
Net income/(loss) 423 422 1 37 12 373
Distributions (Note 7) (185) (179) (6) (37) (12) (130)
Other comprehensive income (loss) 108 108       108
Contributions from noncontrolling interests 1   1      
Other (1) (1)       (1)
Ending balance at Mar. 31, 2021 $ 10,084 $ 9,943 $ 141 $ 1,505 $ 787 $ 7,651