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OTHER EXPENSE (INCOME), NET
12 Months Ended
Dec. 31, 2020
Other Income and Expenses [Abstract]  
OTHER EXPENSE (INCOME), NET OTHER EXPENSE (INCOME), NET
Other expense (income), net, were as follows:
Year Ended December 31,
(in millions)202020192018
Foreign exchange transaction (gain) loss$(13)$(27)$
Other expense (income), net14 15 (41)
Total other expense (income), net$$(12)$(35)