v3.10.0.1
Basis of Presentation and Significant Accounting Policies - Impact on Statement of Operations (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2018
Jul. 01, 2017
Jun. 30, 2018
Jul. 01, 2017
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]        
Net revenue   $ 1,151   $ 2,329
Cost of sales [1] $ 1,104 765 $ 2,154 1,565
Gross margin [1] 652 386 1,249 764
Research and development [1] 357 285 700 556
Marketing, general and administrative [1] 142 127 276 250
Licensing gain [1] 0 (25) 0 (52)
Operating income [1] 153 (1) 273 10
Interest expense [1] (31) (32) (62) (64)
Other income (expense), net [1] 1 (3) 2 (8)
Income (loss) before equity loss and income taxes [1] 123 (36) 213 (62)
Provision for income taxes [1] 6 3 14 8
Equity loss in investee [1] (1) (3) (2) (5)
Net income (loss) [1],[2] $ 116 $ (42) $ 197 [3],[4] $ (75) [3],[4]
Earnings (loss) per share        
Basic (in usd per share) [1] $ 0.12 $ (0.04) $ 0.20 $ (0.08)
Diluted (in usd per share) [1] $ 0.11 $ (0.04) $ 0.19 $ (0.08)
Shares used in per share calculation        
Basic (in shares) [1] 972 945 970 942
Diluted (in shares) [1] 1,147 945 1,043 942
As Previously Reported        
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]        
Net revenue   $ 1,222   $ 2,206
Cost of sales   818   1,471
Gross margin   404   735
Research and development   279   545
Marketing, general and administrative   125   246
Licensing gain   (25)   (52)
Operating income   25   (4)
Interest expense   (32)   (64)
Other income (expense), net   (3)   (8)
Income (loss) before equity loss and income taxes   (10)   (76)
Provision for income taxes   3   8
Equity loss in investee   (3)   (5)
Net income (loss)   $ (16)   $ (89)
Earnings (loss) per share        
Basic (in usd per share)   $ (0.02)   $ (0.09)
Diluted (in usd per share)   $ (0.02)   $ (0.09)
Shares used in per share calculation        
Basic (in shares)   945   942
Diluted (in shares)   945   942
Accounting Standards Update 2014-09 | Adjustment        
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]        
Net revenue   $ (71)   $ 123
Cost of sales   (53)   94
Gross margin   (18)   29
Research and development   6   11
Marketing, general and administrative   2   4
Licensing gain   0   0
Operating income   (26)   14
Interest expense   0   0
Other income (expense), net   0   0
Income (loss) before equity loss and income taxes   (26)   14
Provision for income taxes   0   0
Equity loss in investee   0   0
Net income (loss)   $ (26)   $ 14
Earnings (loss) per share        
Basic (in usd per share)   $ (0.02)   $ 0.01
Diluted (in usd per share)   $ (0.02)   $ 0.01
[1] Prior year amounts adjusted to reflect the retrospective application of ASU 2014-09, Revenue from Contracts with Customers. Refer to Note 1.
[2] Prior year amounts adjusted to reflect the retrospective application of ASU 2014-09, Revenue from Contracts with Customers. Refer to Note 1.
[3] Amounts reflected adoption of ASU 2016-18, Statement of Cash Flows, Restricted Cash (Topic 230) beginning in the first quarter of 2018.
[4] Prior year amounts adjusted to reflect the retrospective application of ASU 2014-09, Revenue from Contracts with Customers. Refer to Note 1.