Segment Information -Net Sales to Customers by Geographic Region (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Apr. 01, 2017
Segment Reporting Information [Line Items]
Total net sales	$ 977	$ 865
EMEA
Segment Reporting Information [Line Items]
Total net sales	349	287
Latin America
Segment Reporting Information [Line Items]
Total net sales	56	53
Asia-Pacific
Segment Reporting Information [Line Items]
Total net sales	115	108
Total International
Segment Reporting Information [Line Items]
Total net sales	520	448
North America
Segment Reporting Information [Line Items]
Total net sales	$ 457	$ 417