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GOODWILL AND OTHER INTANGIBLE ASSETS (Roll Forward) (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Oct. 31, 2019 | Oct. 31, 2018 | Oct. 31, 2017 | Oct. 31, 2019
Goodwill - Rollforward |  |  |  |
Beginning Balance | $ 1,171 | $ 1,882 |  |
Foreign currency translation impact | 8 | (5) |  |
Goodwill arising from acquisitions | 30 | 6 |  |
Impairment losses | 0 | (709) | $ 0 |
Divestitures |  | (3) |  |
Ending Balance | 1,209 | 1,171 | 1,882 |
Goodwill, Gross |  |  |  | $ 1,918
Accumulated impairment losses |  |  |  | (709)
Goodwill | 1,209 | 1,171 | 1,882 | 1,209
Communications Solutions Group |  |  |  |
Goodwill - Rollforward |  |  |  |
Beginning Balance | 497 | 497 |  |
Foreign currency translation impact | 8 | (2) |  |
Goodwill arising from acquisitions | 30 | 4 |  |
Impairment losses |  | 0 |  |
Divestitures |  | (2) |  |
Ending Balance | 535 | 497 | 497 |
Goodwill, Gross |  |  |  | 535
Accumulated impairment losses |  |  |  | 0
Goodwill | 535 | 497 | 497 | 535
Electronic Industrial Solutions Group |  |  |  |
Goodwill - Rollforward |  |  |  |
Beginning Balance | 267 | 268 |  |
Foreign currency translation impact | 0 | (2) |  |
Goodwill arising from acquisitions | 0 | 2 |  |
Impairment losses |  | 0 |  |
Divestitures |  | (1) |  |
Ending Balance | 267 | 267 | 268 |
Goodwill, Gross |  |  |  | 267
Goodwill | 267 | 267 | 268 | 267
Ixia Solutions Group [Member] |  |  |  |
Goodwill - Rollforward |  |  |  |
Beginning Balance | 407 | 1,117 |  |
Foreign currency translation impact | 0 | (1) |  |
Goodwill arising from acquisitions | 0 | 0 |  |
Impairment losses |  | (709) |  |
Divestitures |  | 0 |  |
Ending Balance | 407 | 407 | 1,117 |
Goodwill, Gross |  |  |  | 1,116
Accumulated impairment losses |  |  |  | (709)
Goodwill | $ 407 | $ 407 | $ 1,117 | $ 407

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