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Supplemental Cash Flow Information
12 Months Ended
Dec. 31, 2020
Supplemental Cash Flow Elements [Abstract]  
Supplemental Cash Flow Information Supplemental Cash Flow Information
    The following table presents the Company’s supplemental cash flow information:
Year Ended December 31,
(in millions)202020192018
Supplemental Cash Flow Information:
Interest paid$399$421 $398
Income taxes paid, net of refunds$209$215 $211