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Income Taxes - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Oct. 01, 2016
Oct. 03, 2015
Oct. 01, 2016
Oct. 03, 2015
Jan. 02, 2016
Income Tax Contingency [Line Items]          
Effective income tax rate 18.00% 24.00% 22.00% 26.00%  
Excess Tax Benefit From Share Based Compensation $ 16   $ 34    
Unrecognized tax benefits 75   75   $ 73
Projected additions to unrecognized tax benefits 8   8    
Unrecognized tax benefits that would affect the effective income tax rate 49   49    
Other current liabilities          
Income Tax Contingency [Line Items]          
Unrecognized tax benefits $ 16   $ 16