Annual report pursuant to Section 13 and 15(d)

Accounting Policies (Detail)

v3.6.0.2
Accounting Policies (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2016
Dec. 26, 2015
Dec. 27, 2014
Production Related Impairments or Charges [Abstract]      
Inventory Write-down $ 270    
Advertising [Abstract]      
Advertising Expense 1,800 $ 1,800 $ 1,800
Schedule of Equity Method Investments [Line Items]      
Impairments 187 185 146
Non-marketable equity investments [Member]      
Schedule of Equity Method Investments [Line Items]      
Other Long-term Investments 4,400 4,500  
Impairments 184 $ 166 $ 140
Total Credit Exposure To Any Single Counterparty [Member]      
Revenue, Major Customer [Line Items]      
Concentration Risk, Credit Risk, Financial Instrument, Maximum Exposure $ 700    
Accounts Receivable Customer Concentration Risk [Member] | Accounts Receivable, Net [Member]      
Revenue, Major Customer [Line Items]      
Concentration Risk, Percentage 31.00% 49.00%