Segment Data - Operating Results by Segment (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 29, 2018
Segment Reporting Information [Line Items]
Net sales	$ 941	$ 947
Operating income (expense)	(9)	32
Total assets	4,269		$ 2,233
Operating Segments
Segment Reporting Information [Line Items]
Net sales	944	947
Operating income (expense)	21	45
Total assets	6,048	2,298
Operating Segments | North America
Segment Reporting Information [Line Items]
Net sales	497	480
Operating income (expense)	7	29
Total assets	4,059	1,326
Operating Segments | Europe
Segment Reporting Information [Line Items]
Net sales	361	369
Operating income (expense)	11	12
Total assets	1,799	780
Operating Segments | APAC & Emerging Markets
Segment Reporting Information [Line Items]
Net sales	86	98
Operating income (expense)	3	4
Total assets	190	192
Eliminations
Segment Reporting Information [Line Items]
Net sales	(3)
Total assets	(4,542)
Corporate
Segment Reporting Information [Line Items]
Operating income (expense)	(30)	$ (13)
Total assets	$ 2,763