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Supplemental Cash Flow Information (Tables)

6 Months Ended

Jun. 30, 2021

Supplemental Cash Flow Information [Abstract]

Supplemental cash flow information

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​	​	​	​	​	​	​
​	​	Six Months Ended June 30,
​		2021			2020
​	​	(in millions)
Cash payments for interest, net of amounts capitalized	​	$	(261)	​	$	(260)
Cash receipts for income taxes, net of payments	​		—	​		13
Non-cash dividends to non-controlling interests in subsidiary	​		(74)	​		—
Partnership contributions receivable	​		15	​		—
Non-cash Investment segment contributions from non-controlling interests	​	​	—	​	​	1,240

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