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GOODWILL AND OTHER INTANGIBLE ASSETS Goodwill Roll forward (Details) - USD ($) $ in Millions | 6 Months Ended |
--- | --- | ---
Apr. 30, 2019 | Oct. 31, 2018
Goodwill [Roll Forward] |  |
Goodwill, Gross | $ 1,883 | $ 1,880
Goodwill, Impaired, Accumulated Impairment Loss | (709) | (709)
Goodwill, Beginning balance | 1,171 |
Foreign currency translation impact | 3 |
Balance as of April 30, 2019 | 1,174 |
Communications Solutions Group |  |
Goodwill [Roll Forward] |  |
Goodwill, Gross | 500 | 497
Goodwill, Impaired, Accumulated Impairment Loss | 0 | 0
Goodwill, Beginning balance | 497 |
Foreign currency translation impact | 3 |
Balance as of April 30, 2019 | 500 |
Electronic Industrial Solutions Group |  |
Goodwill [Roll Forward] |  |
Goodwill, Gross | 267 | 267
Goodwill, Impaired, Accumulated Impairment Loss | 0 | 0
Goodwill, Beginning balance | 267 |
Foreign currency translation impact | 0 |
Balance as of April 30, 2019 | 267 |
Ixia Solutions Group |  |
Goodwill [Roll Forward] |  |
Goodwill, Gross | 1,116 | 1,116
Goodwill, Impaired, Accumulated Impairment Loss | (709) | $ (709)
Goodwill, Beginning balance | 407 |
Foreign currency translation impact | 0 |
Balance as of April 30, 2019 | $ 407 |

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