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Supplemental Cash Flow Information (Tables) | 6 Months Ended
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Jun. 30, 2022
Supplemental Cash Flow Information [Abstract] |
Schedule of Cash Flow, Supplemental Disclosures | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Six Months Ended June 30,
​ |  | 2022 |  | 2021
​ | ​ | (in millions)
Cash payments for interest, net of amounts capitalized | ​ | $ | (221) | ​ | $ | (261)
Cash (payments) receipts for income taxes, net of payments | ​ |  | (60) | ​ |  | —
Non-cash dividends to non-controlling interests in subsidiary | ​ |  | — | ​ |  | (74)
Partnership contributions receivable | ​ |  | 7 | ​ |  | 15

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