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GOODWILL AND OTHER INTANGIBLE ASSETS (Tables)
 6 Months Ended
Apr. 30, 2025
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill balances and movements for each reportable segments during the period
The goodwill balances as of April 30, 2025 and October 31, 2024 and the activity for the six months ended April 30, 2025 for each of our reportable segments were as follows:
 CSGEISGTotal
 (in millions)
Goodwill at October 31, 2024$1,240 $1,148 $2,388 
Foreign currency translation impact17 25 42 
Goodwill arising from acquisitions2 1 3 
Goodwill at April 30, 2025$1,259 $1,174 $2,433 
There were no impairments of goodwill for the three and six months ended April 30, 2025 and 2024. As of April 30, 2025 and October 31, 2024, the accumulated impairment loss on goodwill was $709 million as recorded within the CSG reportable segment.
Components of other intangibles during the period
Other intangible assets as of April 30, 2025 and October 31, 2024 consisted of the following:
 April 30, 2025October 31, 2024
 Gross
Carrying
Amount		Accumulated
Amortization		Net Book
Value		Gross
Carrying
Amount		Accumulated
Amortization		Net Book
Value
 (in millions)
Developed technology$1,411 $1,055 $356 $1,377 $1,018 $359 
Backlog38 29 9 37 25 12 
Trademark/Tradename38 37 1 38 36 2 
Customer relationships587 420 167 587 398 189 
Total amortizable intangible assets$2,074 $1,541 $533 $2,039 $1,477 $562 
In-Process R&D23 — 23 45 — 45 
Total$2,097 $1,541 $556 $2,084 $1,477 $607 
Finite-lived Intangible Assets Amortization Expense [Table Text Block]
Estimated intangible assets amortization expense for each of the five succeeding fiscal years is as follows:
Amortization expense
(in millions)
2025 (remainder)$65 
2026$119 
2027$107 
2028$104 
2029$95 
2030$17 
Thereafter$26