Supplemental Cash Flow Information (Tables)

3 Months Ended

Mar. 31, 2021

Supplemental Cash Flow Information [Abstract]

Schedule of Cash Flow, Supplemental Disclosures

The following table provides supplemental disclosure of cash flow information (in millions): 

	Three Months Ended March 31,
	2021		2020
Cash paid during the period for interest on debt, net of amounts capitalized	$	211	$	295
Cash paid for income taxes, net of refunds	—		1