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Employee Stock Benefit Plans (Schedule Of Stock Options Activity) (Details) - $ / shares
shares in Millions
12 Months Ended
Dec. 30, 2016
Jan. 01, 2016
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, Nonvested, Number 4.7 4.3
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period 2.1  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Released in Period (1.2)  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period (0.5)  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value $ 26.40 $ 26.98
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value 26.13  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Released in Period, Weighted Average Grant Date Fair Value 27.86  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value $ 26.43  
Employee Stock Option [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Options, Outstanding at beginning of year 11.6  
Options, Granted 0.0  
Options, Exercised (3.7)  
Options, Cancelled (0.3)  
Options, Outstanding at end of year 7.6 11.6
Weighted average exercise price, Outstanding at beginning of year $ 22.15  
Weighted average exercise price, Granted 19.28  
Weighted average exercise price, Exercised 16.47  
Weighted average exercise price, Cancelled 27.05  
Weighted average exercise price, Outstanding at end of year $ 24.60 $ 22.15