Identified Intangible Assets (Detail) (USD $)			9 Months Ended		3 Months Ended		9 Months Ended				3 Months Ended		9 Months Ended						3 Months Ended		9 Months Ended						3 Months Ended			3 Months Ended		9 Months Ended		3 Months Ended	9 Months Ended					3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended	9 Months Ended		9 Months Ended
	Oct. 01, 2011	Dec. 25, 2010	Oct. 01, 2011 Acquisition-Related Developed Technology [Member] Series of Individually Immaterial Business Acquisitions [Member]	Feb. 28, 2011 Acquisition-Related Developed Technology [Member] McAfee, Inc. [Member]	Oct. 01, 2011 Acquisition-Related Developed Technology [Member] Cost of Sales [Member]	Sep. 25, 2010 Acquisition-Related Developed Technology [Member] Cost of Sales [Member]	Oct. 01, 2011 Acquisition-Related Developed Technology [Member] Cost of Sales [Member]	Sep. 25, 2010 Acquisition-Related Developed Technology [Member] Cost of Sales [Member]	Oct. 01, 2011 Acquisition-Related Developed Technology [Member] Subject To Amortization [Member]	Dec. 25, 2010 Acquisition-Related Developed Technology [Member] Subject To Amortization [Member]	Oct. 01, 2011 Amortization Of Acquisition-Related Intangibles [Member] Acquisition-Related Customer Relationships [Member]	Sep. 25, 2010 Amortization Of Acquisition-Related Intangibles [Member] Acquisition-Related Customer Relationships [Member]	Oct. 01, 2011 Amortization Of Acquisition-Related Intangibles [Member] Acquisition-Related Customer Relationships [Member]	Sep. 25, 2010 Amortization Of Acquisition-Related Intangibles [Member] Acquisition-Related Customer Relationships [Member]	Oct. 01, 2011 Acquisition-Related Customer Relationships [Member] Series of Individually Immaterial Business Acquisitions [Member]	Feb. 28, 2011 Acquisition-Related Customer Relationships [Member] McAfee, Inc. [Member]	Oct. 01, 2011 Acquisition-Related Customer Relationships [Member] Subject To Amortization [Member]	Dec. 25, 2010 Acquisition-Related Customer Relationships [Member] Subject To Amortization [Member]	Oct. 01, 2011 Amortization Of Acquisition-Related Intangibles [Member] Acquisition-Related Trade Names [Member]	Sep. 25, 2010 Amortization Of Acquisition-Related Intangibles [Member] Acquisition-Related Trade Names [Member]	Oct. 01, 2011 Amortization Of Acquisition-Related Intangibles [Member] Acquisition-Related Trade Names [Member]	Sep. 25, 2010 Amortization Of Acquisition-Related Intangibles [Member] Acquisition-Related Trade Names [Member]	Feb. 28, 2011 Acquisition-Related Trade Names [Member] McAfee, Inc. [Member]	Oct. 01, 2011 Acquisition-Related Trade Names [Member] Not Subject To Amortization [Member]	Oct. 01, 2011 Subject To Amortization [Member] Acquisition-Related Trade Names [Member]	Dec. 25, 2010 Subject To Amortization [Member] Acquisition-Related Trade Names [Member]	Apr. 02, 2011 NVIDIA [Member] Licensed Technology [Member] Years	Oct. 01, 2011 Subject To Amortization [Member] Licensed Technology [Member]	Dec. 25, 2010 Subject To Amortization [Member] Licensed Technology [Member]	Oct. 01, 2011 Licensed Technology [Member] Cost of Sales [Member]	Sep. 25, 2010 Licensed Technology [Member] Cost of Sales [Member]	Oct. 01, 2011 Licensed Technology [Member] Cost of Sales [Member]	Sep. 25, 2010 Licensed Technology [Member] Cost of Sales [Member]	Oct. 01, 2011 Licensed Technology [Member] Research And Development [Member]	Oct. 01, 2011 Licensed Technology [Member] Research And Development [Member]	Oct. 01, 2011 Subject To Amortization [Member]	Dec. 25, 2010 Subject To Amortization [Member]	Oct. 01, 2011 Not Subject To Amortization [Member]	Dec. 25, 2010 Not Subject To Amortization [Member]	Oct. 01, 2011 Amortization Of Acquisition-Related Intangibles [Member]	Sep. 25, 2010 Amortization Of Acquisition-Related Intangibles [Member]	Oct. 01, 2011 Amortization Of Acquisition-Related Intangibles [Member]	Sep. 25, 2010 Amortization Of Acquisition-Related Intangibles [Member]	Oct. 01, 2011 Cost of Sales [Member]	Sep. 25, 2010 Cost of Sales [Member]	Oct. 01, 2011 Cost of Sales [Member]	Sep. 25, 2010 Cost of Sales [Member]	Dec. 25, 2010 NVIDIA [Member]	Oct. 01, 2011 NVIDIA [Member]	Jan. 31, 2011 NVIDIA [Member]	Oct. 01, 2011 Series of Individually Immaterial Business Acquisitions [Member]	Feb. 28, 2011 McAfee, Inc. [Member]
Identified Intangible Assets By Major Class [Abstract]
Gross Assets									$ 2,526,000,000	$ 235,000,000							$ 1,706,000,000	$ 152,000,000							$ 65,000,000	$ 46,000,000		$ 2,349,000,000	$ 1,204,000,000							$ 6,646,000,000	$ 1,637,000,000
Accumulated Amortization									(437,000,000)	(97,000,000)							(187,000,000)	(10,000,000)							(18,000,000)	(10,000,000)		(660,000,000)	(765,000,000)							(1,302,000,000)	(882,000,000)
Net									2,089,000,000	138,000,000							1,519,000,000	142,000,000							47,000,000	36,000,000		1,689,000,000	439,000,000							5,344,000,000	755,000,000
Identified Intangible Assets, Amortization Expenses [Abstract]
Finite-Lived Intangible Assets, Amortization Expense																														44,000,000	36,000,000	133,000,000	121,000,000	1,000,000	1,000,000									179,000,000	52,000,000	478,000,000	169,000,000
Amortization of Acquired Intangible Assets					135,000,000	16,000,000	345,000,000	48,000,000			73,000,000	2,000,000	180,000,000	5,000,000					3,000,000	2,000,000	8,000,000	6,000,000																		76,000,000	4,000,000	188,000,000	11,000,000
Identified Intangible Assets, Future Amortization Expenses [Abstract]
Future Amortization Expense, Remainder of 2011							134,000,000						72,000,000								2,000,000											44,000,000			1,000,000							74,000,000				178,000,000
Future Amortization Expense, 2012							518,000,000						283,000,000								10,000,000											169,000,000			6,000,000							293,000,000				687,000,000
Future Amortization Expense, 2013							503,000,000						263,000,000								10,000,000											152,000,000			6,000,000							273,000,000				655,000,000
Future Amortization Expense, 2014							484,000,000						258,000,000								10,000,000											141,000,000			6,000,000							268,000,000				625,000,000
Future Amortization Expense, 2015							212,000,000						250,000,000								9,000,000											123,000,000			6,000,000							259,000,000				335,000,000
Loss Contingencies [Line Items]
Loss Contingency, Cross License Payment Amount Total, 2011-2016																																																	1,500,000,000
Loss Contingency, Cross License Annual Payment Amount, 2011-2013																																																	300,000,000
Loss Contingency, Cross License Annual Payment Amount, 2014-2016																																																	200,000,000
Loss Contingency, Cross License Expense																																																100,000,000
Loss Contingency, Cross License Liability																																																	1,200,000,000	1,400,000,000
Acquired Identified Intangible Asset, Amount																											1,300,000,000
Acquired Identified Intangible Asset, Weighted Average Useful Life (in years)																											17
Indefinite-lived Intangible Assets by Major Class [Line Items]
Gross Assets																								812,000,000
Identifiied Intangible Assets [Line Items]
Gross Assets																																						289,000,000	105,000,000
Gross Assets	7,747,000,000	1,742,000,000																																				1,101,000,000
Net	6,445,000,000	860,000,000
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangibles				1,221,000,000												1,418,000,000							821,000,000																													3,552,000,000
Business Combinations, During Period, Recognized Identifiable Assets Acquired And Liabilities Assumed, Intangibles			$ 1,054,000,000												$ 116,000,000																																				$ 1,332,000,000