Restructuring Accruals (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Restructuring accrual
Beginning balance, restructuring reserve	$ 40	$ 46	$ 43	$ 60
Restructuring, asset impairment and related charges		22	19	22
Write-down of assets to net realizable value		(11)	(7)	(11)
Net cash paid, principally severance and related benefits	(4)	(5)	(17)	(15)
Other, including foreign exchange translation	(2)		(4)	(4)
Ending balance, restructuring reserve	34	52	34	52
European Asset Optimization
Restructuring accrual
Beginning balance, restructuring reserve		11		12
Other, including foreign exchange translation				(1)
Ending balance, restructuring reserve		11		11
Asia Pacific Restructuring
Restructuring accrual
Beginning balance, restructuring reserve	6	10	7	12
Restructuring, asset impairment and related charges		5	1	5
Write-down of assets to net realizable value		(4)		(4)
Net cash paid, principally severance and related benefits		(3)	(1)	(4)
Other, including foreign exchange translation			(1)	(1)
Ending balance, restructuring reserve	6	8	6	8
Restructuring, Additional Information
Cumulative employee costs and asset impairments			221
Other Restructuring Actions
Restructuring accrual
Beginning balance, restructuring reserve	34	25	36	36
Restructuring, asset impairment and related charges		17	18	17
Write-down of assets to net realizable value		(7)	(7)	(7)
Net cash paid, principally severance and related benefits	(4)	(2)	(16)	(11)
Other, including foreign exchange translation	(2)		(3)	(2)
Ending balance, restructuring reserve	28	33	28	33
Restructuring, Additional Information
Other restructuring costs	1
Other Restructuring Actions | Latin America
Restructuring, Additional Information
Employee costs, asset impairments and other exit costs		13	$ 14	13
Other Restructuring Actions | North America
Restructuring, Additional Information
Employee costs, asset impairments and other exit costs	$ 3	$ 4		$ 4