Annual report pursuant to Section 13 and 15(d)

Accounting Policies (Detail)

v3.8.0.1
Accounting Policies (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 30, 2017
Dec. 31, 2016
Dec. 26, 2015
Revenue, Major Customer [Line Items]      
PRQ Max $ 770    
Manufacturing Costs, less recession charge 540    
Production Related Impairments or Charges [Abstract]      
Inventory Write-down 185    
Schedule of Equity Method Investments [Line Items]      
Impairments 833 $ 187 $ 185
Credit Concentration Risk [Member]      
Revenue, Major Customer [Line Items]      
Concentration Risk, Credit Risk, Financial Instrument, Maximum Exposure $ 800    
Credit Concentration Risk [Member] | Accounts Receivable [Member]      
Revenue, Major Customer [Line Items]      
Concentration Risk, Percentage 36.00% 31.00%  
Maximum [Member]      
Revenue, Major Customer [Line Items]      
Manufacturing Costs $ 46    
Minimum [Member]      
Revenue, Major Customer [Line Items]      
Manufacturing Costs 1,100    
Non-marketable equity investments [Member]      
Schedule of Equity Method Investments [Line Items]      
Other Long-term Investments 4,500 $ 4,400  
Impairments $ 555 $ 184 $ 166