Annual report pursuant to Section 13 and 15(d)

Concentrations of Credit Risk (Detail)

v3.3.1.900
Concentrations of Credit Risk (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 26, 2015
Dec. 27, 2014
Dec. 28, 2013
Total Credit Exposure To Any Single Counterparty [Member]      
Concentration Risk [Line Items]      
Concentration Risk, Credit Risk, Financial Instrument, Maximum Exposure $ 500    
Sales Revenue, Net [Member] | Customer Concentration Risk [Member]      
Concentration Risk [Line Items]      
Concentration Risk, Percentage 46.00% 46.00% 44.00%
Accounts Receivable, Net [Member] | Accounts Receivable Customer Concentration Risk [Member]      
Concentration Risk [Line Items]      
Concentration Risk, Percentage 49.00% 43.00%