Annual report pursuant to Section 13 and 15(d)

Earnings (Loss) Per Share (Details)

v3.10.0.1
Earnings (Loss) Per Share (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 3 Months Ended 12 Months Ended
Dec. 29, 2018
Sep. 29, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 30, 2017
Sep. 30, 2017
Jul. 01, 2017
Apr. 01, 2017
Dec. 29, 2018
Dec. 30, 2017
Dec. 31, 2016
Sep. 14, 2016
Numerator—Net income (loss):                        
Net income (loss) $ 38 $ 102 $ 116 $ 81 $ (19) $ 61 $ (42) $ (33) $ 337 [1],[2],[3] $ (33) [1],[2],[3] $ (498) [1],[2],[3]  
Shares used in per share calculation                        
Denominator for basic earnings (loss) per share 1,002 987 972 968 965 957 945 939 982 [2] 952 [2] 835 [2]  
Effect of potentially dilutive shares:                        
Employee equity incentive plans and warrants                 82 0 0  
Denominator for diluted earnings (loss) per share 1,079 1,076 1,147 1,039 965 1,042 945 939 1,064 [2] 952 [2] 835 [2]  
Earnings (loss) per share:                        
Basic $ 0.04 $ 0.10 $ 0.12 $ 0.08 $ (0.02) $ 0.06 $ (0.04) $ (0.04) $ 0.34 [2] $ (0.03) [2] $ (0.60) [2]  
Diluted $ 0.04 $ 0.09 $ 0.11 $ 0.08 $ (0.02) $ 0.06 $ (0.04) $ (0.04) $ 0.32 [2] $ (0.03) [2] $ (0.60) [2]  
2.125% Convertible Senior Notes Due 2026                        
Debt Instrument [Line Items]                        
Interest rate, stated percentage 2.125%       2.125%       2.125% 2.125%   2.125%
Stock Compensation Plan                        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]                        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount                 105 189 231  
[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] Prior year amounts adjusted to reflect the retrospective application of ASU 2014-09, Revenue from Contracts with Customers. Refer to Note 2.
[3] 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.