Quarterly report pursuant to Section 13 or 15(d)

Earnings (Loss) Per Share (Details)

v3.8.0.1
Earnings (Loss) Per Share (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
3 Months Ended
Mar. 31, 2018
Apr. 01, 2017
Numerator – Net income (loss):    
Numerator for basic and diluted earnings (loss) per share [1],[2],[3],[4] $ 81 $ (33)
Denominator - Weighted average shares    
Denominator for basic earnings (loss) per share (in shares) [2] 968 939
Effect of potentially dilutive shares:    
Employee stock options and restricted stock units (in shares) 34 0
Warrants (in shares) 37 0
Denominator for diluted earnings (loss) per share (in shares) [2] 1,039 939
Earnings (loss) per share:    
Basic (in usd per share) [2] $ 0.08 $ (0.04)
Diluted (in usd per share) [2] $ 0.08 $ (0.04)
2.125% Convertible Senior Notes due 2026    
Debt Instrument [Line Items]    
Stated interest rate 2.125%  
Stock Options, Restricted Stock Units, Conversion of Notes, and Warrants Under Warrant Agreement    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Anti-dilutive shares (in shares) 103 195
[1] Amounts reflected adoption of ASU 2016-18, Statement of Cash Flows, Restricted Cash (Topic 230) beginning in the first quarter of 2018.
[2] Prior year amounts adjusted to reflect the retrospective application of ASU 2014-09, Revenue from Contracts with Customers. Refer to Note 1.
[3] Prior year amounts adjusted to reflect the retrospective application of ASU 2014-09, Revenue from Contracts with Customers. Refer to Note 1.
[4] Prior year amounts adjusted to reflect the retrospective application of ASU 2014-09, Revenue from Contracts with Customers. Refer to Note 1.