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Income Taxes - Additional Information (Details)
$ in Millions, € in Billions
Aug. 30, 2016
EUR (€)
Subsidiary
Jul. 01, 2017
USD ($)
Sep. 24, 2016
USD ($)
Income Tax Disclosure [Abstract]      
Gross unrecognized tax benefits   $ 8,600 $ 7,700
Gross unrecognized tax benefits that would affect effective tax rate, if recognized   2,600 2,800
Unrecognized tax benefits, gross interest and penalties accrued   1,300 $ 1,000
Reasonably possible decrease in gross unrecognized tax benefits over next 12 months   $ 700  
Unfavorable investigation outcome, EU State Aid rules      
Income Tax Contingency [Line Items]      
Number of subsidiaries impacted by European Commission tax ruling | Subsidiary 2    
Maximum potential loss related to European Commission tax ruling | € € 13