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Acquisitions (Detail) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 12 Months Ended
Dec. 28, 2015
Apr. 02, 2016
Jun. 27, 2015
Dec. 27, 2014
Sep. 28, 2013
Dec. 26, 2015
Dec. 27, 2014
Dec. 28, 2013
Series of Individually Immaterial Business Acquisitions [Member]                
Business Acquisition [Line Items]                
Business Combinations During Period, Consideration Transferred           $ 1,000 $ 963 $ 925
Lantiq Semiconductor [Member]                
Business Acquisition [Line Items]                
Business Combinations During Period, Consideration Transferred     $ 345          
Axxia Networking Business of Avago Technologies Limited [Member]                
Business Acquisition [Line Items]                
Business Combinations During Period, Consideration Transferred       $ 650        
Stonesoft Oyj [Member]                
Business Acquisition [Line Items]                
Business Combinations During Period, Consideration Transferred         $ 381      
Subsequent Event [Member]                
Business Acquisition [Line Items]                
Proceeds from Lines of Credit   $ 4,000            
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Long-term Debt $ 1,500              
Subsequent Event [Member] | Altera Corporation [Member]                
Business Acquisition [Line Items]                
Business Combinations During Period, Consideration Transferred $ 14,500              
Business Acquisition, Share Price $ 54.00              
2015 Senior notes [Member]                
Business Acquisition [Line Items]                
Debt Instrument, Face Amount           $ 9,500