Quarterly report pursuant to Section 13 or 15(d)

Supplemental Cash Flow Information (Details)

v3.21.2
Supplemental Cash Flow Information (Details) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Supplemental Cash Flow Information [Abstract]    
Cash paid during the period for interest on debt, net of amounts capitalized $ 675 $ 750
Cash paid for income taxes, net of refunds 1 1
Balance in property, plant and equipment, net of accumulated depreciation funded with accounts payable and accrued liabilities $ 264 $ 222