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Financial Instruments - Carrying Amounts and Estimated Fair Values of Company's Long-Term Debt and Foreign Currency Forward Contracts (Detail) - USD ($)
$ in Millions
Sep. 23, 2016
Dec. 31, 2015
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Senior Notes, Carrying Amount $ 3,331 $ 3,624
Senior Notes, Estimated Fair Value 3,610 3,754
Estimated Fair Value [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Foreign currency forward contracts, asset 1  
Foreign currency forward contracts, liability   (14)
Carrying Amount [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Foreign currency forward contracts, asset $ 1  
Foreign currency forward contracts, liability   $ (14)