Disposal Groups, Divestitures and Impairment of Long-Lived Assets - Disposal Group Held For Sale and Discontinued Operations (Details) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Disposal Group, Current liabilities classified as held for sale	$ 5,000,000
Disposal Group, Noncurrent liabilities classified as held for sale	2,000,000
Income from discontinued operations			$ 4,000,000
Disposal Group, Held-for-sale, Not Discontinued Operations [Member] | Brazil Suspension Components Business [Member]
Disposal Group, Accounts Receivable, Trade	3,000,000
Disposal Group, Inventories	4,000,000
Disposal Group, Current assets classified as held for sale	7,000,000
Disposal Group, Accounts payable	3,000,000
Disposal Group, Accrued payroll and employee benefits	1,000,000
Disposal Group, Other accrued liabilities	1,000,000
Disposal Group, Current liabilities classified as held for sale	5,000,000
Disposal Group, Other noncurrent liabilities	2,000,000
Disposal Group, Noncurrent liabilities classified as held for sale	$ 2,000,000
Discontinued Operations, Disposed of by Sale [Member] | Structural Products [Member]
Sales			0
Other income, net			5,000,000
Pre-tax income			5,000,000
Income tax expense			1,000,000
Income from discontinued operations			$ 4,000,000