Summary of Significant Accounting Policies Impact on Statement of Operations (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 |
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Revenue, Initial Application Period Cumulative Effect Transition [Line Items] | ||||||||||||||||||||
Net revenue | $ 1,419 | $ 1,653 | $ 1,756 | $ 1,647 | $ 1,340 | $ 1,584 | $ 1,151 | $ 1,178 | $ 6,475 | [1] | $ 5,253 | [1] | $ 4,319 | [1] | ||||||
Cost of sales | 882 | 992 | 1,104 | 1,050 | 888 | 1,013 | 765 | 800 | 4,028 | [1] | 3,466 | [1] | 3,316 | [1] | ||||||
Gross margin | 537 | 661 | 652 | 597 | 452 | 571 | 386 | 378 | 2,447 | [1] | 1,787 | [1] | 1,003 | [1] | ||||||
Research and development | 371 | 363 | 357 | 343 | 320 | 320 | 285 | 271 | 1,434 | [1] | 1,196 | [1] | 1,008 | [1] | ||||||
Marketing, general and administrative | 138 | 148 | 142 | 134 | 134 | 132 | 127 | 123 | 562 | [1] | 516 | [1] | 466 | [1] | ||||||
Restructuring and other special charges, net | 0 | 10 | ||||||||||||||||||
Licensing gain | 0 | 0 | 0 | 0 | 0 | 0 | (25) | (27) | 0 | [1] | (52) | [1] | (88) | [1] | ||||||
Operating income (loss) | 28 | 150 | 153 | 120 | (2) | 119 | (1) | 11 | 451 | [1] | 127 | [1] | (373) | [1] | ||||||
Interest expense | (29) | (30) | (31) | (31) | (31) | (31) | (32) | (32) | (121) | [1] | (126) | [1] | (156) | [1] | ||||||
Other income (expense), net | 4 | (6) | 1 | 1 | 2 | (3) | (3) | (5) | 0 | [1] | (9) | [1] | 80 | [1] | ||||||
Income (loss) before equity loss and income taxes | [1] | 330 | (8) | (449) | ||||||||||||||||
Provision (benefit) for income taxes | (35) | 12 | 6 | 8 | (12) | 22 | 3 | 5 | (9) | [1] | 18 | [1] | 39 | [1] | ||||||
Equity loss in investee | 0 | 0 | (1) | (1) | 0 | (2) | (3) | (2) | (2) | [1] | (7) | [1] | (10) | [1] | ||||||
Net income (loss) | $ 38 | $ 102 | $ 116 | $ 81 | $ (19) | $ 61 | $ (42) | $ (33) | $ 337 | [1],[2],[3] | $ (33) | [1],[2],[3] | $ (498) | [1],[2],[3] | ||||||
Earnings (loss) per share | ||||||||||||||||||||
Basic | $ 0.04 | $ 0.10 | $ 0.12 | $ 0.08 | $ (0.02) | $ 0.06 | $ (0.04) | $ (0.04) | $ 0.34 | [1] | $ (0.03) | [1] | $ (0.60) | [1] | ||||||
Diluted | $ 0.04 | $ 0.09 | $ 0.11 | $ 0.08 | $ (0.02) | $ 0.06 | $ (0.04) | $ (0.04) | $ 0.32 | [1] | $ (0.03) | [1] | $ (0.60) | [1] | ||||||
Shares used in per share calculation | ||||||||||||||||||||
Denominator for basic earnings (loss) per share | 1,002 | 987 | 972 | 968 | 965 | 957 | 945 | 939 | 982 | [1] | 952 | [1] | 835 | [1] | ||||||
Denominator for diluted earnings (loss) per share | 1,079 | 1,076 | 1,147 | 1,039 | 965 | 1,042 | 945 | 939 | 1,064 | [1] | 952 | [1] | 835 | [1] | ||||||
As Previously Reported | ||||||||||||||||||||
Revenue, Initial Application Period Cumulative Effect Transition [Line Items] | ||||||||||||||||||||
Net revenue | $ 5,329 | $ 4,272 | ||||||||||||||||||
Cost of sales | 3,506 | 3,274 | ||||||||||||||||||
Gross margin | 1,823 | 998 | ||||||||||||||||||
Research and development | 1,160 | 1,008 | ||||||||||||||||||
Marketing, general and administrative | 511 | 460 | ||||||||||||||||||
Restructuring and other special charges, net | 0 | 10 | ||||||||||||||||||
Licensing gain | (52) | (88) | ||||||||||||||||||
Operating income (loss) | 204 | (372) | ||||||||||||||||||
Interest expense | (126) | (156) | ||||||||||||||||||
Other income (expense), net | (9) | 80 | ||||||||||||||||||
Income (loss) before equity loss and income taxes | 69 | (448) | ||||||||||||||||||
Provision (benefit) for income taxes | 19 | 39 | ||||||||||||||||||
Equity loss in investee | (7) | (10) | ||||||||||||||||||
Net income (loss) | $ 43 | $ (497) | ||||||||||||||||||
Earnings (loss) per share | ||||||||||||||||||||
Basic | $ 0.04 | $ (0.60) | ||||||||||||||||||
Diluted | $ 0.04 | $ (0.60) | ||||||||||||||||||
Shares used in per share calculation | ||||||||||||||||||||
Denominator for basic earnings (loss) per share | 952 | 835 | ||||||||||||||||||
Denominator for diluted earnings (loss) per share | 1,039 | 835 | ||||||||||||||||||
Accounting Standards Update 2014-09 | Adjustment | ||||||||||||||||||||
Revenue, Initial Application Period Cumulative Effect Transition [Line Items] | ||||||||||||||||||||
Net revenue | $ (76) | $ 47 | ||||||||||||||||||
Cost of sales | (40) | 42 | ||||||||||||||||||
Gross margin | (36) | 5 | ||||||||||||||||||
Research and development | 36 | 0 | ||||||||||||||||||
Marketing, general and administrative | 5 | 6 | ||||||||||||||||||
Restructuring and other special charges, net | 0 | 0 | ||||||||||||||||||
Licensing gain | 0 | 0 | ||||||||||||||||||
Operating income (loss) | (77) | (1) | ||||||||||||||||||
Interest expense | 0 | 0 | ||||||||||||||||||
Other income (expense), net | 0 | 0 | ||||||||||||||||||
Income (loss) before equity loss and income taxes | (77) | (1) | ||||||||||||||||||
Provision (benefit) for income taxes | (1) | 0 | ||||||||||||||||||
Equity loss in investee | 0 | 0 | ||||||||||||||||||
Net income (loss) | $ (76) | $ (1) | ||||||||||||||||||
Earnings (loss) per share | ||||||||||||||||||||
Basic | $ (0.07) | $ 0.00 | ||||||||||||||||||
Diluted | $ (0.07) | $ 0.00 | ||||||||||||||||||
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