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| | Fiscal Quarter Ended | | | Fiscal Year Ended | |
| | November 4, 2018 | | | August 5, 2018 | | | October 29, 2017 | | | November 4, 2018 | | | October 29, 2017 | |
Net revenue on GAAP basis | | $ | 5,444 | | | $ | 5,063 | | | $ | 4,844 | | | $ | 20,848 | | | $ | 17,636 | |
Acquisition-related purchase accounting revenue adjustment(1) | | | 4 | | | | 3 | | | | 4 | | | | 14 | | | | 29 | |
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Net revenue onnon-GAAP basis | | $ | 5,448 | | | $ | 5,066 | | | $ | 4,848 | | | $ | 20,862 | | | $ | 17,665 | |
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Gross margin on GAAP basis | | $ | 2,935 | | | $ | 2,619 | | | $ | 2,383 | | | $ | 10,733 | | | $ | 8,509 | |
Acquisition-related purchase accounting revenue adjustment(1) | | | 4 | | | | 3 | | | | 4 | | | | 14 | | | | 29 | |
Purchase accounting effect on inventory | | | — | | | | — | | | | 2 | | | | 70 | | | | 4 | |
Amortization of acquisition-related intangible assets | | | 762 | | | | 762 | | | | 658 | | | | 3,004 | | | | 2,511 | |
Stock-based compensation expense | | | 23 | | | | 22 | | | | 17 | | | | 86 | | | | 64 | |
Restructuring charges | | | 1 | | | | 2 | | | | 3 | | | | 20 | | | | 19 | |
Acquisition-related costs | | | — | | | | 2 | | | | 1 | | | | 4 | | | | 1 | |
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Gross margin onnon-GAAP basis | | $ | 3,725 | | | $ | 3,410 | | | $ | 3,068 | | | $ | 13,931 | | | $ | 11,137 | |
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Research and development on GAAP basis | | $ | 948 | | | $ | 959 | | | $ | 828 | | | $ | 3,768 | | | $ | 3,292 | |
Stock-based compensation expense | | | 225 | | | | 222 | | | | 171 | | | | 855 | | | | 636 | |
Acquisition-related costs | | | 1 | | | | — | | | | — | | | | 4 | | | | 6 | |
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Research and development onnon-GAAP basis | | $ | 722 | | | $ | 737 | | | $ | 657 | | | $ | 2,909 | | | $ | 2,650 | |
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Selling, general and administrative expense on GAAP basis | | $ | 237 | | | $ | 234 | | | $ | 194 | | | $ | 1,056 | | | $ | 787 | |
Stock-based compensation expense | | | 69 | | | | 71 | | | | 64 | | | | 286 | | | | 220 | |
Acquisition-related costs | | | 27 | | | | 26 | | | | 12 | | | | 172 | | | | 91 | |
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Selling, general and administrative expense onnon-GAAP basis | | $ | 141 | | | $ | 137 | | | $ | 118 | | | $ | 598 | | | $ | 476 | |
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Total operating expenses on GAAP basis | | $ | 1,283 | | | $ | 1,280 | | | $ | 1,628 | | | $ | 5,598 | | | $ | 6,126 | |
Amortization of acquisition-related intangible assets | | | 67 | | | | 68 | | | | 441 | | | | 541 | | | | 1,764 | |
Stock-based compensation expense | | | 294 | | | | 293 | | | | 235 | | | | 1,141 | | | | 856 | |
Restructuring, impairment and disposal charges | | | 17 | | | | 19 | | | | 55 | | | | 219 | | | | 161 | |
Litigation settlements | | | 14 | | | | — | | | | 110 | | | | 14 | | | | 122 | |
Acquisition-related costs | | | 28 | | | | 26 | | | | 12 | | | | 176 | | | | 97 | |
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Total operating expenses onnon-GAAP basis | | $ | 863 | | | $ | 874 | | | $ | 775 | | | $ | 3,507 | | | $ | 3,126 | |
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Operating income on GAAP basis | | $ | 1,652 | | | $ | 1,339 | | | $ | 755 | | | $ | 5,135 | | | $ | 2,383 | |
Acquisition-related purchase accounting revenue adjustment(1) | | | 4 | | | | 3 | | | | 4 | | | | 14 | | | | 29 | |
Purchase accounting effect on inventory | | | — | | | | — | | | | 2 | | | | 70 | | | | 4 | |
Amortization of acquisition-related intangible assets | | | 829 | | | | 830 | | | | 1,099 | | | | 3,545 | | | | 4,275 | |
Stock-based compensation expense | | | 317 | | | | 315 | | | | 252 | | | | 1,227 | | | | 920 | |
Restructuring, impairment and disposal charges | | | 18 | | | | 21 | | | | 58 | | | | 239 | | | | 180 | |
Litigation settlements | | | 14 | | | | — | | | | 110 | | | | 14 | | | | 122 | |
Acquisition-related costs | | | 28 | | | | 28 | | | | 13 | | | | 180 | | | | 98 | |
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Operating income onnon-GAAP basis | | $ | 2,862 | | | $ | 2,536 | | | $ | 2,293 | | | $ | 10,424 | | | $ | 8,011 | |
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Interest expense on GAAP basis | | $ | (148 | ) | | $ | (149 | ) | | $ | (119 | ) | | $ | (628 | ) | | $ | (454 | ) |
Debt-related costs | | | — | �� | | | — | | | | — | | | | 32 | | | | 1 | |
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Interest expense onnon-GAAP basis | | $ | (148 | ) | | $ | (149 | ) | | $ | (119 | ) | | $ | (596 | ) | | $ | (453 | ) |
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Other income, net on GAAP basis | | $ | 24 | | | $ | 39 | | | $ | 16 | | | $ | 144 | | | $ | 62 | |
(Gains) losses on acquisition-related assets | | | — | | | | 1 | | | | — | | | | (3 | ) | | | (23 | ) |
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Other income, net onnon-GAAP basis | | $ | 24 | | | $ | 40 | | | $ | 16 | | | $ | 141 | | | $ | 39 | |
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Income from continuing operations before income taxes on GAAP basis | | $ | 1,422 | | | $ | 1,229 | | | $ | 645 | | | $ | 4,545 | | | $ | 1,825 | |
Acquisition-related purchase accounting revenue adjustment(1) | | | 4 | | | | 3 | | | | 4 | | | | 14 | | | | 29 | |
Purchase accounting effect on inventory | | | — | | | | — | | | | 2 | | | | 70 | | | | 4 | |
Amortization of acquisition-related intangible assets | | | 829 | | | | 830 | | | | 1,099 | | | | 3,545 | | | | 4,275 | |
Stock-based compensation expense | | | 317 | | | | 315 | | | | 252 | | | | 1,227 | | | | 920 | |
Restructuring, impairment and disposal charges | | | 18 | | | | 21 | | | | 58 | | | | 239 | | | | 180 | |
Litigation settlements | | | 14 | | | | — | | | | 110 | | | | 14 | | | | 122 | |
Acquisition-related costs | | | 28 | | | | 28 | | | | 13 | | | | 180 | | | | 98 | |
Impairment on investment | | | 106 | | | | — | | | | — | | | | 106 | | | | — | |
Debt-related costs | | | — | | | | — | | | | — | | | | 32 | | | | 1 | |
Loss on debt extinguishment | | | — | | | | — | | | | 7 | | | | — | | | | 166 | |
(Gains) losses on acquisition-related assets | | | — | | | | 1 | | | | — | | | | (3 | ) | | | (23 | ) |
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Income before income taxes onnon-GAAP basis | | $ | 2,738 | | | $ | 2,427 | | | $ | 2,190 | | | $ | 9,969 | | | $ | 7,597 | |
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Provision for (benefit from) income taxes on GAAP basis | | $ | 307 | | | $ | 32 | | | $ | 89 | | | $ | (8,084 | ) | | $ | 35 | |
Non-GAAP tax reconciling adjustments | | | (115 | ) | | | 138 | | | | 10 | | | | 8,662 | | | | 307 | |
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Provision for income taxes onnon-GAAP basis | | $ | 192 | | | $ | 170 | | | $ | 99 | | | $ | 578 | | | $ | 342 | |
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Net income on GAAP basis | | $ | 1,115 | | | $ | 1,196 | | | $ | 561 | | | $ | 12,610 | | | $ | 1,784 | |
Acquisition-related purchase accounting revenue adjustment (1) | | | 4 | | | | 3 | | | | 4 | | | | 14 | | | | 29 | |
Purchase accounting effect on inventory | | | — | | | | — | | | | 2 | | | | 70 | | | | 4 | |
Amortization of acquisition-related intangible assets | | | 829 | | | | 830 | | | | 1,099 | | | | 3,545 | | | | 4,275 | |
Stock-based compensation expense | | | 317 | | | | 315 | | | | 252 | | | | 1,227 | | | | 920 | |
Restructuring, impairment and disposal charges | | | 18 | | | | 21 | | | | 58 | | | | 239 | | | | 180 | |
Litigation settlements | | | 14 | | | | — | | | | 110 | | | | 14 | | | | 122 | |
Acquisition-related costs | | | 28 | | | | 28 | | | | 13 | | | | 180 | | | | 98 | |
Impairment on investment | | | 106 | | | | — | | | | — | | | | 106 | | | | — | |
Debt-related costs | | | — | | | | — | | | | — | | | | 32 | | | | 1 | |
Loss on debt extinguishment | | | — | | | | — | | | | 7 | | | | — | | | | 166 | |
(Gains) losses on acquisition-related assets | | | — | | | | 1 | | | | — | | | | (3 | ) | | | (23 | ) |
Non-GAAP tax reconciling adjustments | | | 115 | | | | (138 | ) | | | (10 | ) | | | (8,662 | ) | | | (307 | ) |
Discontinued operations, net of income taxes | | | — | | | | 1 | | | | (5 | ) | | | 19 | | | | 6 | |
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Net income onnon-GAAP basis | | $ | 2,546 | | | $ | 2,257 | | | $ | 2,091 | | | $ | 9,391 | | | $ | 7,255 | |
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Shares used in per share calculation - diluted on GAAP basis | | | 423 | | | | 441 | | | | 424 | | | | 431 | | | | 421 | |
Non-GAAP adjustment (2) | | | 12 | | | | 12 | | | | 32 | | | | 20 | | | | 32 | |
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Shares used in per share calculation - diluted onnon-GAAP basis | | | 435 | | | | 453 | | | | 456 | | | | 451 | | | | 453 | |
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Inventory days on hand on GAAP basis | | | 59 | | | | 66 | | | | 73 | | | | | | | | | |
Non-GAAP adjustment (3) | | | — | | | | 1 | | | | 1 | | | | | | | | | |
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Inventory days on hand onnon-GAAP basis | | | 59 | | | | 67 | | | | 74 | | | | | | | | | |
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Net income onnon-GAAP basis | | $ | 2,546 | | | $ | 2,257 | | | $ | 2,091 | | | | | | | | | |
Interest expense onnon-GAAP basis | | | 148 | | | | 149 | | | | 119 | | | | | | | | | |
Provision for income taxes onnon-GAAP basis | | | 192 | | | | 170 | | | | 99 | | | | | | | | | |
Depreciation | | | 132 | | | | 129 | | | | 117 | | | | | | | | | |
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Adjusted EBITDA | | $ | 3,018 | | | $ | 2,705 | | | $ | 2,426 | | | | | | | | | |
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Net cash provided by operating activities | | $ | 2,635 | | | $ | 2,247 | | | $ | 1,959 | | | $ | 8,880 | | | $ | 6,551 | |
Purchases of property, plant and equipment | | | (106 | ) | | | (120 | ) | | | (233 | ) | | | (635 | ) | | | (1,069 | ) |
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Free cash flow | | $ | 2,529 | | | $ | 2,127 | | | $ | 1,726 | | | $ | 8,245 | | | $ | 5,482 | |
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