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SEGMENT INFORMATION (Reconciliation of Reportable Results) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Oct. 31, 2019 | Oct. 31, 2018 | Oct. 31, 2017
Reconcilitation between statement results and enterprise results [Abstract] |  |  |
Total reportable segments' income from operations | $ 1,037 | $ 735 | $ 598
Share-based compensation expense | (82) | (59) | (56)
Restructuring and related costs | (9) | (17) | (11)
Amortization of acquisition-related balances | (224) | (265) | (256)
Acquisition and integration costs | (9) | (49) | (57)
Acquisition-related compensation expense | 0 | 0 | (28)
Separation and related costs | 0 | (2) | (20)
Pension curtailment and settlement loss (gain) | (2) | (1) | 69
Loss from Catastrophes | 0 | (7) | (16)
Goodwill impairment | 0 | (709) | 0
Litigation Settlement, Expense | 0 | 25 | 0
Gain (Loss) on Disposition of Business | 1 | 20 | 0
Other | (3) | (16) | (6)
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) before taxes | 715 | (411) | 179
Segment assets and capital expenditures [Abstract] |  |  |
Total reportable segments' assets | 4,599 | 4,330 |
Capital expenditures | 120 | 132 | 72
Communications Solutions Group |  |  |
Reconcilitation between statement results and enterprise results [Abstract] |  |  |
Goodwill impairment |  | 0 |
Income (loss) from operations | 714 | 474 | 347
Segment assets and capital expenditures [Abstract] |  |  |
Total reportable segments' assets | 2,267 | 2,115 |
Capital expenditures | 71 | 90 |
Electronic Industrial Solutions Group |  |  |
Reconcilitation between statement results and enterprise results [Abstract] |  |  |
Goodwill impairment |  | 0 |
Income (loss) from operations | 294 | 245 | 209
Segment assets and capital expenditures [Abstract] |  |  |
Total reportable segments' assets | 928 | 888 |
Capital expenditures | 29 | 32 |
Ixia Solutions Group [Member] |  |  |
Reconcilitation between statement results and enterprise results [Abstract] |  |  |
Goodwill impairment |  | (709) |
Income (loss) from operations | 29 | 16 | 42
Segment assets and capital expenditures [Abstract] |  |  |
Total reportable segments' assets | 1,404 | 1,327 |
Capital expenditures | 20 | 10 |
Total Segments [Member] |  |  |
Reconcilitation between statement results and enterprise results [Abstract] |  |  |
Income (loss) from operations | 1,037 | 735 | $ 598
Segment assets and capital expenditures [Abstract] |  |  |
Total reportable segments' assets | 4,599 | 4,330 |
Capital expenditures | $ 120 | $ 132 |

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