Annual report pursuant to Section 13 and 15(d)

Common Stock and Stockholders??? Equity (Deficit) (Details) (Narrative)

v3.6.0.2
Common Stock and Stockholders’ Equity (Deficit) (Details) (Narrative) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
3 Months Ended 12 Months Ended
Sep. 24, 2016
Dec. 31, 2016
Dec. 26, 2015
Dec. 27, 2014
Dec. 30, 2016
Dec. 28, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Common stock, par value (USD per share)   $ 0.01 $ 0.01      
Share price (USD per share)   $ 6.00     $ 11.34  
Proceeds from issuance of common stock, net of issuance costs   $ 667 $ 0 $ 0    
Payments of stock issuance costs   $ 23        
Common stock, shares outstanding   935.0 792.0      
Number of shares available for future grants   31.5        
Number of shares reserved for future issuance   72.1        
Vesting period   3 years        
Expiration period   10 years        
Stock Appreciation Rights            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Expiration period   10 years        
Stock Options            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Stock options, shares granted, weighted average estimated grant date fair value per share (USD per share)   $ 3.10 $ 1.02 $ 1.46    
Expected dividend payments   0.00% 0.00% 0.00%    
Stock options, shares outstanding, weighted average remaining contractual life   4 years 3 months 14 days        
Stock options, shares outstanding, aggregate intrinsic value   $ 145        
Stock options, shares exercisable, aggregate intrinsic value   $ 90        
Stock options, shares exercisable, weighted average remaining contractual life   3 years 5 months 12 days        
Stock options, shares exercised, total intrinsic value   $ 10 $ 2 $ 7    
Stock options, total unrecognized compensation expense, net of estimated forfeitures   $ 11        
Weighted-average period expected for recognition   1 year 9 months 11 days        
Restricted Stock            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Restricted stock units, shares purchased, weighted average price per share (USD per share)   $ 0.00        
Restricted Stock Units            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Restricted stock units, shares purchased, weighted average price per share (USD per share)   $ 0.00        
Weighted-average period expected for recognition   1 year 9 months 4 days        
Restricted stock units, shares granted   29.0 38.0 23.0    
Restricted stock units, shares vested, total fair value   $ 151 $ 33 $ 60    
Restricted stock units, share-based compensation expense   80 $ 57 $ 65    
Restricted stock units, total unrecognized compensation expense, net of estimated forfeitures   $ 121        
Performance-based Restricted Stock Units            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Restricted stock units, shares granted   5.0 5.2 5.0    
Performance-based Restricted Stock Units | Minimum            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Vesting rights, percentage   0.00%        
Performance-based Restricted Stock Units | Maximum            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Vesting rights, percentage   250.00%        
Market-based Restricted Stock Units            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Restricted stock units, shares granted   2.0 3.9      
Common Stock            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Issuance of common stock, net of issuance costs, shares 115.0 115.0        
Common stock, shares outstanding   935.0 792.0 776.0   725.0