Restructuring Accruals, Asset Impairments and Other Costs Related to Closed Facilities (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Restructuring accrual
Beginning balance, restructuring reserve	$ 85	$ 43
Charges	72	98	$ 63
Write-down of assets to net realizable value	(11)	(28)
Net cash paid, principally severance and related benefits	(62)	(24)	(38)
Other, including foreign exchange translation	1	(4)
Ending balance, restructuring reserve	85	85	$ 43
Latin America
Restructuring, Additional Information
Employee costs, asset impairments and other exit costs	45	18
Europe
Restructuring, Additional Information
Cumulative plant closure costs	56	47
Employee costs, asset impairments and other exit costs	19	48
North America
Restructuring, Additional Information
Employee costs, asset impairments and other exit costs	4	4
Asia Pacific
Restructuring, Additional Information
Employee costs, asset impairments and other exit costs	4	4
Other Corporate Restructuring Actions
Restructuring, Additional Information
Employee costs, asset impairments and other exit costs		$ 24
Severance and other employee separation costs
Restructuring, Additional Information
Estimated amount of restructuring accrual balance	65
Environmental remediation costs
Restructuring, Additional Information
Estimated amount of restructuring accrual balance	19
Other exit costs
Restructuring, Additional Information
Estimated amount of restructuring accrual balance	$ 1