Identified Intangible Assets, Finite-Lived Intangible Assets (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 02, 2016	Jun. 27, 2015	Jul. 02, 2016	Jun. 27, 2015	Dec. 26, 2015
Identified Intangible Assets By Major Class [Abstract]
Gross Assets, Subject to Amortization	$ 14,566		$ 14,566		$ 7,742
Accumulated Amortization	(5,280)		(5,280)		(4,750)
Net	9,286		9,286		2,992
Identified Intangible Assets, Amortization Expenses [Abstract]
Amortization of intangibles	395	$ 214	791	$ 465
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
Future Amortization Expense, Remainder of 2016	793		793
Future Amortization Expense, 2017	1,313		1,313
Future Amortization Expense, 2018	1,146		1,146
Future Amortization Expense, 2019	1,113		1,113
Future Amortization Expense, 2020	1,050		1,050
Acquisition-related Developed Technology [Member]
Identified Intangible Assets By Major Class [Abstract]
Gross Assets, Subject to Amortization	8,629		8,629		2,928
Accumulated Amortization	(2,642)		(2,642)		(2,276)
Net	5,987		5,987		652
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
Future Amortization Expense, Remainder of 2016	467		467
Future Amortization Expense, 2017	795		795
Future Amortization Expense, 2018	780		780
Future Amortization Expense, 2019	776		776
Future Amortization Expense, 2020	742		742
Acquisition-related Developed Technology [Member] | Cost of sales [Member]
Identified Intangible Assets, Amortization Expenses [Abstract]
Amortization of intangibles	235	75	470	195
Acquisition-related Customer Relationships [Member]
Identified Intangible Assets By Major Class [Abstract]
Gross Assets, Subject to Amortization	2,743		2,743		1,738
Accumulated Amortization	(1,274)		(1,274)		(1,219)
Net	1,469		1,469		519
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
Future Amortization Expense, Remainder of 2016	163		163
Future Amortization Expense, 2017	241		241
Future Amortization Expense, 2018	141		141
Future Amortization Expense, 2019	124		124
Future Amortization Expense, 2020	121		121
Acquisition-related Customer Relationships [Member] | Amortization of acquisition-related intangibles [Member]
Identified Intangible Assets, Amortization Expenses [Abstract]
Amortization of intangibles	82	66	165	126
Acquisition-related Brands [Member]
Identified Intangible Assets By Major Class [Abstract]
Gross Assets, Subject to Amortization	129		129		59
Accumulated Amortization	(52)		(52)		(55)
Net	77		77		4
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
Future Amortization Expense, Remainder of 2016	11		11
Future Amortization Expense, 2017	13		13
Future Amortization Expense, 2018	13		13
Future Amortization Expense, 2019	13		13
Future Amortization Expense, 2020	13		13
Acquisition-related Brands [Member] | Amortization of acquisition-related intangibles [Member]
Identified Intangible Assets, Amortization Expenses [Abstract]
Amortization of intangibles	7	2	14	4
Licensed Technology and Patents [Member]
Identified Intangible Assets By Major Class [Abstract]
Gross Assets, Subject to Amortization	3,065		3,065		3,017
Accumulated Amortization	(1,312)		(1,312)		(1,200)
Net	1,753		1,753		$ 1,817
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
Future Amortization Expense, Remainder of 2016	152		152
Future Amortization Expense, 2017	264		264
Future Amortization Expense, 2018	212		212
Future Amortization Expense, 2019	200		200
Future Amortization Expense, 2020	174		174
Licensed Technology and Patents [Member] | Cost of sales [Member]
Identified Intangible Assets, Amortization Expenses [Abstract]
Amortization of intangibles	$ 71	$ 71	$ 142	$ 140