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Restructuring and Impairment Charges - Employee-related severance (Details) - USD ($) $ in Millions		12 Months Ended
	Jul. 01, 2019	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Restructuring accrual
Restructuring charges		$ 57	$ 64
Goodwill impairment	$ 0	0	0	$ 0
Indefinite-lived intangible assets impairment	$ 0	0	0	$ 0
Employee-related severance costs
Restructuring accrual
Balance in severance accrual at beginning of period		10
Payments made to terminated employees		(16)
Foreign exchange translation		1
Balance in severance accrual at end of period		15	$ 10
Restructuring reserve, Expected to be paid in next 12 months		14
Cost Smart Cost of Sales and SG&A Program \| Employee-related severance costs
Restructuring accrual
Restructuring charges		$ 20