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Stock-Based Compensation - Additional Information (Detail) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
3 Months Ended 6 Months Ended
Jun. 13, 2015
Jun. 14, 2014
Jun. 13, 2015
Jun. 14, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock-based compensation expense $ 68 $ 68 $ 144 $ 140
Restructuring, Settlement and Impairment Provisions 1 0 1 (3)
Recognized stock-based compensation expense $ 69 $ 68 $ 145 $ 137
Employee Stock Option [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Price     $ 99.25 $ 79.75
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross [1]     1.6 3.0
Restricted Stock Units (RSUs) [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other Than Options, Grants in Period, Weighted Average Grant Price     $ 99.25 $ 79.76
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period [1]     2.6 4.2
Performance Stock Unit [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other Than Options, Grants in Period, Weighted Average Grant Price     $ 99.25 $ 79.75
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period [1]     0.3 0.4
[1] In millions.