Summarized Combined Financial Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 30, 2017	Dec. 31, 2016	Jan. 02, 2016
Schedule of Equity Method Investments [Line Items]
Net sales:	$ 809	$ 708	$ 289
Gross profit	100	81	44
Income before income taxes	43	28	12	[1]
Net income	25	15	5	[1]
Current assets	155	128
Non-current assets	139	67
Current liabilities	(181)	(103)
Non-current liabilities	(37)	(5)
Multipro
Schedule of Equity Method Investments [Line Items]
Net sales:	754	662	240	[1]
Gross profit	86	71	32	[1]
Other Equity Investments
Schedule of Equity Method Investments [Line Items]
Net sales:	55	46	49
Gross profit	$ 14	$ 10	$ 12

[1] 2015 includes three months of results for Multipro.