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Schedule of Components of Income (Loss) from Continuing Operations before Income Taxes (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2016
Dec. 26, 2015
Dec. 27, 2014
Schedule Of Components Of Income Loss Before Income Taxes [Line Items]      
United States $ 445 $ 122 $ (286)
Foreign 14 (7) (5)
Income (loss) from continuing operations before income taxes $ 459 $ 115 $ (291)