Segment Information Level 4 (Details) - Geographic Net Sales (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Net Sales to Unaffiliated Customers (Geographic Information) [Line Items]
Sales Revenue, Goods, Net		$ 3,591	$ 3,438	$ 4,140
UNITED STATES
Net Sales to Unaffiliated Customers (Geographic Information) [Line Items]
Sales Revenue, Goods, Net	[1]	1,513	1,389	1,663
NETHERLANDS
Net Sales to Unaffiliated Customers (Geographic Information) [Line Items]
Sales Revenue, Goods, Net	[1]	595	583	698
CANADA
Net Sales to Unaffiliated Customers (Geographic Information) [Line Items]
Sales Revenue, Goods, Net	[1]	344	302	344
CHINA
Net Sales to Unaffiliated Customers (Geographic Information) [Line Items]
Sales Revenue, Goods, Net	[1]	270	296	331
GERMANY
Net Sales to Unaffiliated Customers (Geographic Information) [Line Items]
Sales Revenue, Goods, Net	[1]	198	180	205
BRAZIL
Net Sales to Unaffiliated Customers (Geographic Information) [Line Items]
Sales Revenue, Goods, Net	[1]	176	162	224
Other international [Member]
Net Sales to Unaffiliated Customers (Geographic Information) [Line Items]
Sales Revenue, Goods, Net	[1]	$ 495	$ 526	$ 675

[1] Sales are attributed to the country in which the individual business locations reside.