Geographical Information (Details) - USD ($) $ in Millions		3 Months Ended								12 Months Ended
		Dec. 31, 2018	Sep. 29, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jul. 01, 2017	Apr. 01, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues		$ 6,507	$ 5,920	$ 6,078	$ 5,853	$ 6,047	$ 5,116	$ 4,990	$ 4,765	$ 24,358	$ 20,918	$ 18,274
Long-lived Assets		4,165				4,047				4,165	4,047	2,578
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	[1]									11,629	10,129	9,086
Long-lived Assets		2,444				2,349				2,444	2,349	1,630
China
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	[1]									2,504	2,060	1,730
All Other Countries
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	[1]									10,225	8,729	7,458
Long-lived Assets		$ 1,721				$ 1,698				$ 1,721	$ 1,698	$ 948

[1] Revenues are attributed to countries based on customer location.