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Schedule Of Reconciliation Of Changes In Projected Benefit Obligation, Fair Value Of Plan Assets And Funded Status Of Plan (Detail) - Europe - USD ($)
$ in Millions
12 Months Ended
Dec. 26, 2015
Dec. 27, 2014
Dec. 28, 2013
Defined Benefit Plan Disclosure [Line Items]      
Obligation at beginning of period $ 239 $ 224  
Service cost 0 0 $ 0
Interest cost 9 10 9
Benefits paid (7) (6)  
Actuarial (gain) loss (20) 25  
Currency translation (11) (14)  
Obligation at end of period 210 239 224
Fair value of plan assets at beginning of period 257 232  
Actual return on plan assets 2 47  
Benefits paid (7) (6)  
Currency translation (12) (16)  
Fair value of plan assets at end of period 240 257 $ 232
Net asset recognized at end of period $ 30 $ 18