Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Incentive Compensation Plans (Narrative) (Details)

v3.8.0.1
Stock-Based Incentive Compensation Plans (Narrative) (Details)
 3 Months Ended 9 Months Ended
Sep. 30, 2017
$ / shares
shares
Sep. 24, 2016
$ / shares
shares
Sep. 30, 2017
$ / shares
shares
Sep. 24, 2016
$ / shares
shares
Employee Stock Option [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock options, shares granted 900,000 2,200,000 900,000 2,200,000
Stock options, shares granted, weighted average grant date fair value (in usd per share) | $ / shares $ 5.46 $ 3.10 $ 5.46 $ 3.10
Restricted Stock Units (RSUs) [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Restricted stock units, shares granted 8,300,000 19,500,000 10,400,000 26,000,000
Restricted stock units, shares granted, weighted average grant date fair value (in usd per share) | $ / shares $ 13.24 $ 5.10 $ 13.03 $ 4.55
Performance-Based RSUs with Market Condition [Member] | 2017 PRSU Grants [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of criteria based on which potential payout level may be adjusted 2      
Performance-Based RSUs with Market Condition [Member] | 2017 PRSU Grants [Member] | Maximum [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Potential payout level 250.00%      
Performance-Based RSUs with Market Condition [Member] | 2017 PRSU Grants [Member] | Minimum [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Potential payout level 0.00%      
Performance-Based RSUs with Market Condition [Member] | 2017 PRSU Grants [Member] | 100% Payout Level [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Potential payout level 100.00%      
Stock units outstanding 800,000   800,000  
Stock units outstanding, weighted average grant date fair value (in usd per share) | $ / shares $ 17.18   $ 17.18  
Performance-Based RSUs with Market Condition [Member] | 2016 PRSU Grants [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Compounded annual growth rate period   3 years    
Performance period   3 years    
Potential payout level one   50.00%    
Potential payout level two   100.00%    
Potential payout level three   150.00%    
Potential payout level four   200.00%    
Potential payout level five   250.00%    
Award payout level achieved 250.00%   250.00%  
Performance-Based RSUs with Market Condition [Member] | 2016 PRSU Grants [Member] | Prior to first anniversary of the grant date [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Award vesting rights, shares   0    
Performance-Based RSUs with Market Condition [Member] | 2016 PRSU Grants [Member] | Upon certification of the attainment of the performance level [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Award vesting rights, percentage   50.00%    
Performance-Based RSUs with Market Condition [Member] | 2016 PRSU Grants [Member] | End of performance period [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Award vesting rights, percentage   50.00%    
Performance-Based RSUs with Market Condition [Member] | 2016 PRSU Grants [Member] | 100% Payout Level [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Potential payout level   100.00%    
Stock units outstanding   2,000,000   2,000,000
Stock units outstanding, weighted average grant date fair value (in usd per share) | $ / shares   $ 4.50   $ 4.50