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Supplemental Financial Information - Other Income, Net (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Other Income, net        
Foreign exchange losses, net $ 10 $ 15 $ 21 $ 14
Pension and other postretirement benefit plans (1) (16) (2) (31)
Other, net (3) 5 (3) 0
Other (income) expense, net $ 6 $ 4 $ 16 $ (17)