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SEGMENT INFORMATION (Reconciliation of Reportable Results) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Oct. 31, 2020 | Oct. 31, 2019 | Oct. 31, 2018
Reconcilitation between statement results and enterprise results [Abstract] |  |  |
Total reportable segments' income from operations | $ 1,069 | $ 1,037 | $ 735
Share-based compensation expense | (93) | (82) | (59)
Restructuring and related costs | (5) | (9) | (17)
Amortization of acquisition-related balances | (224) | (224) | (265)
Acquisition and integration costs | (13) | (9) | (49)
Separation and related costs | 0 | 0 | (2)
Unusual or Infrequent Item, or Both, Net (Gain) Loss | (32) | 0 | 7
Goodwill impairment | 0 | 0 | (709)
Litigation Settlement, Expense | 0 | 0 | 25
Gain (Loss) on Disposition of Business | 0 | 1 | 20
Other | (1) | (3) | (16)
Income (loss) from operations | 765 | 711 | (394)
Interest income | 11 | 23 | 12
Interest expense | (78) | (80) | (83)
Other income (expense), net | 63 | 61 | 54
Income (loss) before taxes | 761 | 715 | (411)
Segment assets and capital expenditures [Abstract] |  |  |
Total reportable segments' assets | 5,166 | 4,565 |
Capital expenditures | 117 | 120 | 132
Communications Solutions Group |  |  |
Reconcilitation between statement results and enterprise results [Abstract] |  |  |
Income (loss) from operations | 773 | 743 | 490
Segment assets and capital expenditures [Abstract] |  |  |
Total reportable segments' assets | 3,832 | 3,649 |
Capital expenditures | 90 | 91 |
Electronic Industrial Solutions Group |  |  |
Reconcilitation between statement results and enterprise results [Abstract] |  |  |
Income (loss) from operations | 296 | 294 | 245
Segment assets and capital expenditures [Abstract] |  |  |
Total reportable segments' assets | 1,334 | 916 |
Capital expenditures | 27 | 29 |
Ixia Solutions Group [Member] |  |  |
Reconcilitation between statement results and enterprise results [Abstract] |  |  |
Goodwill impairment |  |  | (709)
Total Segments [Member] |  |  |
Reconcilitation between statement results and enterprise results [Abstract] |  |  |
Income (loss) from operations | 1,069 | 1,037 | $ 735
Segment assets and capital expenditures [Abstract] |  |  |
Total reportable segments' assets | 5,166 | 4,565 |
Capital expenditures | $ 117 | $ 120 |

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