Annual report pursuant to Section 13 and 15(d)

Cash and Investments, Non-Marketable Cost Method Investments (Detail)

v3.3.1.900
Cash and Investments, Non-Marketable Cost Method Investments (Detail)
$ in Millions, ¥ in Billions
 12 Months Ended
Dec. 26, 2015
USD ($)
Dec. 27, 2014
USD ($)
Dec. 28, 2013
USD ($)
Dec. 27, 2014
CNY (¥)
Schedule of Cost-method Investments [Line Items]        
Non-marketable cost method investments $ 2,933 $ 1,769    
Cost-method Investments [Member]        
Schedule of Cost-method Investments [Line Items]        
Other than Temporary Impairment Losses, Investments 164 130 $ 103  
Cloudera, Inc. [Member]        
Schedule of Cost-method Investments [Line Items]        
Non-marketable cost method investments 454 454    
Beijing UniSpreadtrum Technology Ltd [Member]        
Schedule of Cost-method Investments [Line Items]        
Non-marketable cost method investments 966      
Beijing UniSpreadtrum Technology Ltd Phase One [Member]        
Schedule of Cost-method Investments [Line Items]        
Non-marketable cost method investments 966      
Subject To Regulatory Approvals And Other Closing Conditions [Member] | Beijing UniSpreadtrum Technology Ltd [Member]        
Schedule of Cost-method Investments [Line Items]        
Non-marketable cost method investments   $ 1,500   ¥ 9.0
Cost Method Investment, Ownership Percentage   20.00%   20.00%
Subject To Regulatory Approvals And Other Closing Conditions [Member] | Beijing UniSpreadtrum Technology Ltd Phase Two [Member]        
Schedule of Cost-method Investments [Line Items]        
Non-marketable cost method investments $ 500