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Restructuring and Impairment Charges - Employee-related severance (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Restructuring accrual
Restructuring charges		$ 9		$ 13
Employee-related severance costs
Restructuring accrual
Balance in severance accrual at beginning of period			$ 15
Payments made to terminated employees			(9)
Foreign exchange translation			(1)
Balance in severance accrual at end of period	$ 8		8
Restructuring reserve, Expected to be paid in next 12 months	7		7
Cost Smart cost of sales and SG&A Program
Restructuring accrual
Restructuring charges	$ 11		25
Cost Smart cost of sales and SG&A Program \| Employee-related severance costs
Restructuring accrual
Restructuring charges			$ 3