Annual report pursuant to Section 13 and 15(d)

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

v3.10.0.1
Common Stock and Stock-Based Incentive Compensation Plans (Details) (Narrative) - USD ($)
3 Months Ended 12 Months Ended
Dec. 29, 2018
Jun. 30, 2018
Sep. 24, 2016
Dec. 29, 2018
Dec. 30, 2017
Dec. 31, 2016
Nov. 09, 2018
May 09, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Common stock, par value (USD per share) $ 0.01   $ 0.01 $ 0.01 $ 0.01      
Share price (USD per share)     $ 6.00          
Proceeds from issuance of common stock, net of issuance costs     $ 667,000,000 $ 0 [1] $ 0 [1] $ 667,000,000 [1]    
Payments of stock issuance costs     $ 23,000,000          
Vesting period       3 years        
Expiration period       10 years        
Excess tax benefits from stock-based compensation       $ 0 0 0    
Shares available for grant (shares) 40,000,000     40,000,000        
Stock-based compensation expense       $ 137,000,000 $ 97,000,000 $ 86,000,000    
Common Stock                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Issuance of common stock, net of issuance costs (shares)     115,000,000     115,000,000 [2]    
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)       $ 7.62 $ 5.46 $ 3.10    
Expected dividend payments       0.00% 0.00% 0.00%    
Stock options, shares exercised, total intrinsic value       $ 67,000,000 $ 27,000,000 $ 10,000,000    
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options $ 9,000,000     $ 9,000,000        
Weighted-average period expected for recognition       1 year 10 months 21 days        
Purchase price of common stock       100.00%        
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     $ 0.00        
Weighted-average period expected for recognition       1 year 9 months        
Restricted stock units, shares vested, total fair value       $ 399,000,000 $ 328,000,000 $ 151,000,000    
Restricted stock units, total unrecognized compensation expense, net of estimated forfeitures $ 267,000,000     $ 267,000,000        
Restricted stock units, shares granted (shares)       15,000,000        
Weighted-average grant date fair value (usd per share) $ 13.14     $ 13.14 $ 6.60      
Restricted stock units, shares granted, weighted average grant date fair value (USD per share)       $ 14.81 11.63 $ 4.72    
Performance-based Restricted Stock Units                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Share price (USD per share)         $ 12.83 $ 5.14    
Expected dividend payments       0.00% 0.00% 0.00%    
Restricted stock units, shares granted (shares)       3,000,000        
Restricted stock units, shares granted, weighted average grant date fair value (USD per share)       $ 21.67 $ 17.18 $ 9.00    
Performance-based Restricted Stock Units | Minimum                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Share price (USD per share) 12.02     $ 12.02        
Range of target shares granted       0.00%        
Performance-based Restricted Stock Units | Maximum                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Share price (USD per share) $ 32.72     $ 32.72        
Range of target shares granted       250.00%        
ESPP                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Expected dividend payments       0.00% 0.00%      
Weighted-average period expected for recognition       4 months 10 days        
Restricted stock units, total unrecognized compensation expense, net of estimated forfeitures $ 9,000,000     $ 9,000,000        
Maximum percent of earnings withheld during offering period 10.00%     10.00%        
Purchase price of common stock       85.00%        
Offering period       6 months        
Shares available for issuance (shares) 45,000,000     45,000,000        
Weighted-average grant date fair value (usd per share)         $ 3.46      
Share-based Compensation Arrangement by Share-based Payment Award, Shares Purchased for Award 2,500,000 2,200,000            
share-based compensation arrangement by share-based payment award, per share weighted average price of shares purchased 1             $ 10.31 $ 9.57
Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Excluding Stock Options       $ 47,000,000        
ESPP | Minimum                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Weighted-average grant date fair value (usd per share) $ 3.42     $ 3.42        
ESPP | Maximum                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Weighted-average grant date fair value (usd per share) $ 6.43     $ 6.43        
Employee Stock Options and Restricted Stock Units                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Shares available for issuance (shares) 38,000,000     38,000,000        
[1] Prior year amounts adjusted to reflect the retrospective application of ASU 2014-09, Revenue from Contracts with Customers, ASU 2016-15, Statement of Cash Flows: Classification of Certain Cash Receipts and Cash Payments and ASU 2016-18, Statement of Cash Flows: Restricted Cash. Refer to Note 2.
[2] The cumulative-effect adjustment to Accumulated deficit related to the adoption of ASU No. 2014-09, Revenue from Contracts with Customers as of December 26, 2015 was $62 million. Refer to Note 2.