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NEW ACCOUNTING PRONOUNCEMENTS Effect of ASC 606 adoption on financial statement (Details) - USD ($) $ / shares in Units, $ in Millions | 12 Months Ended |
--- | --- | ---
Oct. 31, 2019 | Oct. 31, 2018 | Oct. 31, 2017 | Nov. 01, 2018
Net Revenue: |  |  |  |
Revenues | $ 4,303 |  |  |
Costs and Expenses [Abstract] |  |  |  |
Cost of Goods and Services Sold | 1,769 | $ 1,767 | $ 1,492 |
Research and Development Expense | 688 | 624 | 507 |
Selling, General and Administrative Expense | 1,155 | 1,205 | 1,058 |
Other Operating Income (Expense), Net | 20 | 33 | 16 |
Total costs and expenses | 3,592 | 4,272 | 3,041 |
Income (loss) from operations | 711 | (394) | 148 |
Interest income | 23 | 12 | 7 |
Interest expense | (80) | (83) | (80) |
Other income (expense), net | 61 | 54 | 104 |
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest | 715 | (411) | 179 |
Provision (benefit) for income taxes | 94 | (576) | 77 |
Net income | $ 621 | $ 165 | $ 102 |
Basic (in dollars per share) | $ 3.31 | $ 0.88 | $ 0.57 |
Diluted (in dollars per share) | $ 3.25 | $ 0.86 | $ 0.56 |
ASSETS |  |  |  |
Accounts receivable, net | $ 668 | $ 624 |  | $ 631
Inventory | 705 | 619 |  | 619
Other current assets | 244 | 222 |  | 250
Long-term deferred tax assets | 755 | 750 |  | 735
Other assets | 332 | 279 |  | 282
Liabilities | 3,619 | 3,391 |  |
Deferred revenue | 334 | 334 |  | 281
Income and other taxes payable | 55 | 42 |  | 43
Other accrued liabilities | 83 | 69 |  | 76
Long-term deferred revenue | 176 | 127 |  | 116
Other long-term liabilities | 295 | 287 |  | 290
Equity [Abstract] |  |  |  |
Retained earnings | 1,909 | 1,212 |  | 1,288
Calculated under Revenue Guidance in Effect before Topic 606 [Member] |  |  |  |
Net Revenue: |  |  |  |
Revenues | 4,283 |  |  |
Costs and Expenses [Abstract] |  |  |  |
Cost of Goods and Services Sold | 1,765 |  |  |
Research and Development Expense | 688 |  |  |
Selling, General and Administrative Expense | 1,153 |  |  |
Other Operating Income (Expense), Net | (20) |  |  |
Total costs and expenses | 3,586 |  |  |
Income (loss) from operations | 697 |  |  |
Interest income | 23 |  |  |
Interest expense | (80) |  |  |
Other income (expense), net | 61 |  |  |
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest | 701 |  |  |
Provision (benefit) for income taxes | 93 |  |  |
Net income | $ 608 |  |  |
Basic (in dollars per share) | $ 3.24 |  |  |
Diluted (in dollars per share) | $ 3.18 |  |  |
ASSETS |  |  |  |
Accounts receivable, net | $ 642 | 624 |  |
Inventory | 709 | 619 |  |
Other current assets | 217 | 222 |  |
Long-term deferred tax assets | 772 | 750 |  |
Other assets | 328 | 279 |  |
Deferred revenue | 389 | 334 |  |
Income and other taxes payable | 53 | 42 |  |
Other accrued liabilities | 73 | 69 |  |
Long-term deferred revenue | 188 | 127 |  |
Other long-term liabilities | 293 | 287 |  |
Equity [Abstract] |  |  |  |
Retained earnings | 1,820 | 1,212 |  |
Difference between Revenue Guidance in Effect before and after Topic 606 [Member] |  |  |  |
ASSETS |  |  |  |
Accounts receivable, net |  |  |  | 7
Inventory |  |  |  | 0
Other current assets |  |  |  | 28
Long-term deferred tax assets |  |  |  | (15)
Other assets |  |  |  | 3
Deferred revenue |  |  |  | (53)
Income and other taxes payable |  |  |  | 1
Other accrued liabilities |  |  |  | 7
Long-term deferred revenue |  |  |  | (11)
Other long-term liabilities |  |  |  | 3
Equity [Abstract] |  |  |  |
Retained earnings |  |  |  | $ 76
Products |  |  |  |
Costs and Expenses [Abstract] |  |  |  |
Cost of Goods and Services Sold | 1,439 | 1,449 | $ 1,210 |
Products | Calculated under Revenue Guidance in Effect before Topic 606 [Member] |  |  |  |
Net Revenue: |  |  |  |
Revenues | 3,528 |  |  |
Costs and Expenses [Abstract] |  |  |  |
Cost of Goods and Services Sold | 1,435 |  |  |
Service, Other [Member] |  |  |  |
Costs and Expenses [Abstract] |  |  |  |
Cost of Goods and Services Sold | 330 | $ 318 | $ 282 |
Service, Other [Member] | Calculated under Revenue Guidance in Effect before Topic 606 [Member] |  |  |  |
Net Revenue: |  |  |  |
Revenues | 755 |  |  |
Costs and Expenses [Abstract] |  |  |  |
Cost of Goods and Services Sold | 330 |  |  |
Accounting Standards Update 2014-09 [Member] | Difference between Revenue Guidance in Effect before and after Topic 606 [Member] |  |  |  |
Net Revenue: |  |  |  |
Revenues | 20 |  |  |
Costs and Expenses [Abstract] |  |  |  |
Cost of Goods and Services Sold | 4 |  |  |
Research and Development Expense | 0 |  |  |
Selling, General and Administrative Expense | 2 |  |  |
Other Operating Income (Expense), Net | 0 |  |  |
Total costs and expenses | 6 |  |  |
Income (loss) from operations | 14 |  |  |
Interest income | 0 |  |  |
Interest expense | 0 |  |  |
Other income (expense), net | 0 |  |  |
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest | 14 |  |  |
Provision (benefit) for income taxes | 1 |  |  |
Net income | $ 13 |  |  |
Basic (in dollars per share) | $ 0.07 |  |  |
Diluted (in dollars per share) | $ 0.07 |  |  |
ASSETS |  |  |  |
Accounts receivable, net | $ 26 |  |  |
Inventory | (4) |  |  |
Other current assets | 27 |  |  |
Long-term deferred tax assets | (17) |  |  |
Other assets | 4 |  |  |
Deferred revenue | (55) |  |  |
Income and other taxes payable | 2 |  |  |
Other accrued liabilities | 10 |  |  |
Long-term deferred revenue | (12) |  |  |
Other long-term liabilities | 2 |  |  |
Equity [Abstract] |  |  |  |
Retained earnings | 89 |  |  |
Accounting Standards Update 2014-09 [Member] | Products | Difference between Revenue Guidance in Effect before and after Topic 606 [Member] |  |  |  |
Net Revenue: |  |  |  |
Revenues | 26 |  |  |
Costs and Expenses [Abstract] |  |  |  |
Cost of Goods and Services Sold | 4 |  |  |
Accounting Standards Update 2014-09 [Member] | Service, Other [Member] | Difference between Revenue Guidance in Effect before and after Topic 606 [Member] |  |  |  |
Net Revenue: |  |  |  |
Revenues | (6) |  |  |
Costs and Expenses [Abstract] |  |  |  |
Cost of Goods and Services Sold | $ 0 |  |  |

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