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GOODWILL AND OTHER INTANGIBLE ASSETS (Tables)
 3 Months Ended
Jan. 31, 2023
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill balances and movements for each reportable segments during the period
The goodwill balance as of January 31, 2023 and October 31, 2022 and the activity for the three months ended January 31, 2023 for each of our reportable operating segments were as follows:
 CSGEISGTotal
 (in millions)
Goodwill at October 31, 2022$1,022 $560 $1,582 
Foreign currency translation impact25 4 29 
Goodwill at January 31, 2023$1,047 $564 $1,611 
There were no impairments for three months ended January 31, 2023 and 2022. As of January 31, 2023 and October 31, 2022, accumulated impairment losses on goodwill was $709 million.
Components of other intangibles during the period
Other intangible assets as of January 31, 2023 and October 31, 2022 consisted of the following:
 January 31, 2023October 31, 2022
 Gross
Carrying
Amount		Accumulated
Amortization		Net Book
Value		Gross
Carrying
Amount		Accumulated
Amortization		Net Book
Value
 (in millions)
Developed technology$992 $924 $68 $992 $914 $78 
Backlog17 17 — 17 17 — 
Trademark/Tradename36 31 5 36 31 5 
Customer relationships393 300 93 393 287 106 
Total$1,438 $1,272 $166 $1,438 $1,249 $189 
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)
2023 (remainder)$59 
2024$43 
2025$25 
2026$16 
2027$9 
Thereafter$14