Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies (Details) (Narrative)

v3.8.0.1
Summary of Significant Accounting Policies (Details) (Narrative) - USD ($)
shares in Millions, $ in Millions
 12 Months Ended
Dec. 30, 2017
Dec. 31, 2016
Dec. 26, 2015
Sep. 14, 2016
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Provision for return of products, distributor contractual term 12 months      
Distributor payment due, standard contractual term 60 days      
Product warranty period 1 year      
Limited product warranty period 3 years      
Marketing, communications and advertising expenses $ 156 $ 131 $ 154  
Net deferred tax assets 0 0    
Less: valuation allowance $ 2,621 $ 3,526    
Equipment | Minimum        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Property, plant and equipment, useful life 2 years      
Equipment | Maximum        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Property, plant and equipment, useful life 6 years      
Building and Building Improvements | Maximum        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Property, plant and equipment, useful life 40 years      
Stock Compensation Plan        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Antidilutive securities excluded from computation of earnings per share (shares) 102 231 52  
Accounting Standards Update 2016-09        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Net deferred tax assets   $ (96)    
Less: valuation allowance   96    
Accounting Standards Update 2016-09 | Retained Earnings        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Cumulative effect of new accounting principle   $ 96    
2.125% Convertible Senior Notes Due 2026        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Interest rate, stated percentage 2.125% 2.125%   2.125%