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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) | (2,701) | (2,705) | 4 | 74 | 25 | (2,804)
Distributions (Note 7) | (496) | (492) | (4) | (74) | (25) | (393)
Other comprehensive income (loss) | (212) | (212) |  |  |  | (212)
Contributions from noncontrolling interests | 10 |  | 10 |  |  |
Other | 6 | 6 |  |  |  | 6
Ending balance at Jun. 30, 2020 | 9,802 | 9,659 | 143 | 1,505 | 787 | 7,367
Beginning balance at Mar. 31, 2020 | 9,722 | 9,579 | 143 | 1,505 | 787 | 7,287
Increase (Decrease) in Partners' Capital |  |  |  |  |  |
Net income/(loss) | 144 | 142 | 2 | 37 | 12 | 93
Distributions (Note 7) | (184) | (180) | (4) | (37) | (12) | (131)
Other comprehensive income (loss) | 116 | 116 |  |  |  | 116
Contributions from noncontrolling interests | 2 |  | 2 |  |  |
Other | 2 | 2 |  |  |  | 2
Ending balance at Jun. 30, 2020 | 9,802 | 9,659 | 143 | 1,505 | 787 | 7,367
Beginning balance at Dec. 31, 2020 | 9,738 | 9,593 | 145 | 1,505 | 787 | 7,301
Increase (Decrease) in Partners' Capital |  |  |  |  |  |
Net income/(loss) | 207 | 202 | 5 | 74 | 25 | 103
Distributions (Note 7) | (365) | (359) | (6) | (74) | (25) | (260)
Other comprehensive income (loss) | 108 | 108 |  |  |  | 108
Repurchase of common units (Note 7) | (53) | (53) |  |  |  | (53)
Contributions from noncontrolling interests | 1 |  | 1 |  |  |
Other | 4 | 4 |  |  |  | 4
Ending balance at Jun. 30, 2021 | 9,640 | 9,495 | 145 | 1,505 | 787 | 7,203
Beginning balance at Mar. 31, 2021 | 10,084 | 9,943 | 141 | 1,505 | 787 | 7,651
Increase (Decrease) in Partners' Capital |  |  |  |  |  |
Net income/(loss) | (216) | (220) | 4 | 37 | 12 | (269)
Distributions (Note 7) | (179) | (179) |  | (37) | (12) | (130)
Repurchase of common units (Note 7) | (50) | (50) |  |  |  | (50)
Other | 1 | 1 |  |  |  | 1
Ending balance at Jun. 30, 2021 | $ 9,640 | $ 9,495 | $ 145 | $ 1,505 | $ 787 | $ 7,203

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