Segment Information (Schedule of Geographical Segments) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 6,297	$ 7,155	$ 6,140
Property, plant and equipment, net	3,713	3,719
BELGIUM
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	259	261	295
Property, plant and equipment, net	55	54
CANADA
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	75	115	92
Property, plant and equipment, net	105	114
CHINA
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	859	1,070	833
Property, plant and equipment, net	316	331
GERMANY
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	2,132	2,335	1,776
Property, plant and equipment, net	866	903
MEXICO
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	244	307	257
Property, plant and equipment, net	57	144
SINGAPORE
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	787	997	867
Property, plant and equipment, net	80	83
UNITED STATES
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	1,713	1,769	1,572
Property, plant and equipment, net	2,095	1,961
Other
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	228	301	$ 448
Property, plant and equipment, net	$ 139	$ 129