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SUPPLEMENTAL CASH FLOW DISCLOSURES
12 Months Ended
Dec. 31, 2020
Supplemental Cash Flow Elements [Abstract]  
SUPPLEMENTAL CASH FLOW DISCLOSURES SUPPLEMENTAL CASH FLOW DISCLOSURES
Supplemental cash flow disclosures for 2020, 2019 and 2018 are as follows:
(in millions)202020192018
Other payments
Interest paid$1,474 $1,537 $1,665 
Income taxes paid$162 $172 $138