Segments, Geographical Area and Major Customer Information - Geographic Information (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 1,973	$ 1,978	$ 2,054	$ 2,138	$ 1,837	$ 1,831	$ 1,840	$ 1,701	$ 8,143	$ 7,209	$ 5,826
Long-Lived Assets	1,850				1,807				1,850	1,807	1,413
UNITED STATES
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									3,613	3,209	2,695
Long-Lived Assets	860				828				860	828	634
Other North America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									493	479	433
Long-Lived Assets	87				82				87	82	80
North America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									4,106	3,688	3,128
Long-Lived Assets	947				910				947	910	714
ITALY
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									971	762	499
Long-Lived Assets	138				122				138	122	58
GERMANY
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									513	473	377
Long-Lived Assets	133				149				133	149	98
Other Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									1,000	919	740
Long-Lived Assets	241				211				241	211	157
Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									2,484	2,154	1,616
Long-Lived Assets	512				482				512	482	313
South America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									546	500	338
Long-Lived Assets	129				153				129	153	172
Asia Pacific [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									1,007	867	744
Long-Lived Assets	$ 262				$ 262				$ 262	$ 262	$ 214