Restructuring Accruals, Asset Impairments and Other Costs Related to Closed Facilities (Details)-K - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Restructuring accrual
Restructuring reserve balance at beginning of period	$ 60	$ 114
Charges	63	76	$ 97
Write-down of assets to net realizable value	(31)	(46)
Net cash paid, principally severance and related benefits	(38)	(58)	(78)
Pension charges transferred to other accounts		(7)
Other, including foreign exchange translation	(11)	(19)
Restructuring reserve balance at end of period	43	60	114
European Asset Optimization
Restructuring Reserve
Employee costs and asset impairments	0	1	16
Cummulative employee costs and asset impairments	127
Restructuring accrual
Restructuring reserve balance at beginning of period	12	30
Charges		1
Net cash paid, principally severance and related benefits	(5)	(12)
Other, including foreign exchange translation	(4)	(7)
Restructuring reserve balance at end of period	3	12	30
Asia Pacific Restructuring
Restructuring Reserve
Employee costs and asset impairments	5	73	49
Cummulative employee costs and asset impairments	220
Restructuring accrual
Restructuring reserve balance at beginning of period	12	20
Charges	5	73
Write-down of assets to net realizable value	(4)	(46)
Net cash paid, principally severance and related benefits	(5)	(20)
Pension charges transferred to other accounts		(7)
Other, including foreign exchange translation	(1)	(8)
Restructuring reserve balance at end of period	7	12	20
Other Restructuring Actions
Restructuring Reserve
Miscellaneous other costs	6		3
Restructuring accrual
Restructuring reserve balance at beginning of period	36	64
Charges	58	2
Write-down of assets to net realizable value	(27)
Net cash paid, principally severance and related benefits	(28)	(26)
Other, including foreign exchange translation	(6)	(4)
Restructuring reserve balance at end of period	33	36	64
Closure of plant and furnace in Latin America
Restructuring Reserve
Employee costs and asset impairments	14		16
Other
Restructuring Reserve
Employee costs and asset impairments	58
North America
Restructuring Reserve
Employee costs and asset impairments	$ 38
Severance and other employee separation costs
Restructuring accrual
Estimated amount of restructuring accrual balance		29
Environmental remediation costs
Restructuring accrual
Estimated amount of restructuring accrual balance		7
Other exit costs
Restructuring accrual
Estimated amount of restructuring accrual balance		$ 7
Global headcount reduction initiatives
Restructuring Reserve
Headcount reduction charges			$ 13