Quarterly report pursuant to Section 13 or 15(d)

Supplemental Cash Flow Information

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Supplemental Cash Flow Information
 6 Months Ended
Jun. 30, 2021
Supplemental Cash Flow Information [Abstract]  
Supplemental Cash Flow Information SUPPLEMENTAL CASH FLOW INFORMATION
The following table provides supplemental disclosure of cash flow information (in millions): 
Six Months Ended June 30,
2021 2020
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 

The balance in property, plant and equipment, net of accumulated depreciation funded with accounts payable and accrued liabilities was $264 million and $222 million as of June 30, 2021 and 2020, respectively.