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Stock-Based Compensation - Additional Information (Detail) (USD $)
In Millions, except Per Share data, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 14, 2014
Jun. 15, 2013
Jun. 14, 2014
Jun. 15, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross     3.0 2.5
Stock Issued During Period, Shares, Restricted Stock Award, Gross     4.2 3.9
Stock-based compensation expense $ 68 $ 72 $ 140 $ 149
Restructuring, Settlement and Impairment Provisions 0 0 (3) 0
Recognized stock-based compensation expense $ 68 $ 72 $ 137 $ 149
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     $ 79.75 $ 75.75
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     $ 79.76 $ 75.75
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     $ 79.75 $ 75.75
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period     0.4 0.4