Segment Information and Geographic Data - Net Sales by Country (Detail) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 28, 2019	Jun. 29, 2019	Mar. 30, 2019	Dec. 31, 2018	Sep. 29, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Revenue, Major Customer [Line Items]
Total Net sales	$ 1,192	$ 1,130	$ 1,097	$ 1,066	$ 1,137	$ 1,092	$ 1,012	$ 977	$ 4,485	$ 4,218	$ 3,722
North America
Revenue, Major Customer [Line Items]
Total Net sales									2,261	2,041	1,798
EMEA
Revenue, Major Customer [Line Items]
Total Net sales									1,462	1,409	1,221
Asia-Pacific
Revenue, Major Customer [Line Items]
Total Net sales									518	520	468
Latin America
Revenue, Major Customer [Line Items]
Total Net sales									244	248	235
Sales Revenue, Net
Revenue, Major Customer [Line Items]
Total Net sales									4,485	4,218	3,722
Sales Revenue, Net | United States
Revenue, Major Customer [Line Items]
Total Net sales									2,243	2,020	1,746
Sales Revenue, Net | Germany
Revenue, Major Customer [Line Items]
Total Net sales									523	523	439
Sales Revenue, Net | Other
Revenue, Major Customer [Line Items]
Total Net sales									$ 1,719	$ 1,675	$ 1,537