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OTHER OPERATING COSTS, NET - Income and Expense Items Included in Other Operating Costs, Net (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Other Income [Abstract]    
Foreign exchange losses, net $ 8 $ 3
Litigation expense (income), net (4) 25
Research and development expenses 1 1
Other, net 5 8
Total other operating costs, net $ 10 $ 37