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Leases - Additional Information (Detail)
$ in Millions
12 Months Ended
Dec. 31, 2016
USD ($)
Phase
Dec. 26, 2015
USD ($)
Dec. 27, 2014
USD ($)
Operating Leased Assets [Line Items]      
Rent related accruals $ 196 $ 221  
Rent expense including equipment rental 484 513 $ 602
Sublease income 2 4 5
Off-market unfavorable lease liability 10 18  
Net amortization of favorable and unfavorable lease values $ 4 $ 6 $ 7
Minimum      
Operating Leased Assets [Line Items]      
Operating Leases Renewal Option | Phase 1