Supplemental Cash Flow Information (Tables)

12 Months Ended

Dec. 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): 

	Year Ended December 31,
	2021		2020		2019
Cash paid during the period for interest on debt, net of amounts capitalized	$	1,365	$	1,395	$	1,126
Cash paid for income taxes, net of refunds	4		2		24
Non-cash investing and financing activities:
Property, plant and equipment, net of accumulated depreciation funded with accounts payable and accrued liabilities	339		282		473