Identified Intangible Assets - Summary of Identified Intangible Assets (Details) - USD ($) $ in Millions	Sep. 29, 2019	Dec. 31, 2018	Sep. 30, 2018
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross carrying amount	$ 9,135		$ 9,183
Finite-lived intangible assets, accumulated amortization	(5,729)	$ (4,716)	(4,716)
Marketing-related
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross carrying amount	82		81
Finite-lived intangible assets, accumulated amortization	(62)		(50)
Customer-related
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross carrying amount	945		964
Finite-lived intangible assets, accumulated amortization	(326)		(301)
Technology-based
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross carrying amount	7,937		7,862
Finite-lived intangible assets, accumulated amortization	(5,341)		(4,365)
In-process R&D (IPR&D)
Finite-Lived Intangible Assets [Line Items]
Indefinite-lived intangible assets, gross carrying amount	$ 171		$ 276