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Other Expense (Income), Net
 3 Months Ended
Mar. 31, 2021
Other Income and Expenses [Abstract]  
Other Expense (Income), Net Other Expense (Income), Net
First quarter ended
 March 31,
20212020
Non-service related net periodic benefit cost$3 $6 
Interest income— (4)
Foreign currency losses, net2 — 
Net loss from asset sales3 2 
Deferred compensation2 (10)
Other, net(6)(18)
Total$4 $(24)