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Summary of Activity Related to Unrecognized Tax Benefit (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2016
Dec. 26, 2015
Dec. 27, 2014
Unrecognized Tax Benefits Summary [Line Items]      
Beginning balance $ 18 $ 22 $ 15
Increase related to current year tax positions 1 1 6
Increase related to prior year tax positions   1 4
Decrease related to prior year tax positions   (5) (2)
Decrease related to lapse of statute of limitations   (1)  
Decrease related to settlements with taxing authorities (5)   (1)
Ending balance $ 14 $ 18 $ 22