Identified Intangible Assets, Indefinite-Lived Intangible Asset (Detail) - USD ($) $ in Millions	Sep. 29, 2018	Dec. 30, 2017
Indefinite-lived Intangible Assets [Line Items]
Gross Assets, Not Subject to Amortization	$ 1,889	$ 2,168
In Process Research and Development [Member]
Indefinite-lived Intangible Assets [Line Items]
Gross Assets, Not Subject to Amortization	1,497	$ 2,168
Other Intangible Assets [Member]
Indefinite-lived Intangible Assets [Line Items]
Gross Assets, Not Subject to Amortization	$ 392