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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 segment during the period
The following table presents goodwill balances and the movements for each of our reportable segments during the six months ended April 30, 2025:
 
 Life Sciences and
Diagnostics Markets		Agilent CrossLabApplied MarketsTotal
 (in millions)
Goodwill as of October 31, 2024$3,000 $1,168 $309 $4,477 
Foreign currency translation impact4 (1)(1)2 
Goodwill arising from acquisitions and adjustments(5)— — (5)
Goodwill as of April 30, 2025$2,999 $1,167 $308 $4,474 
Components of other intangible assets during the period
The component parts of other intangible assets as of October 31, 2024 and April 30, 2025 are shown in the table below:
 
 Other Intangible Assets
 Gross
Carrying
Amount		Accumulated
Amortization		Net Book
Value
 (in millions)
As of October 31, 2024   
Purchased technology$1,484 $1,169 $315 
Trademark/Tradename199 174 25 
Customer relationships291 107 184 
Backlog9 — 9 
Third-party technology and licenses33 19 14 
Total intangible assets$2,016 $1,469 $547 
As of April 30, 2025   
Purchased technology$1,483 $1,204 $279 
Trademark/Tradename199 178 21 
Customer relationships294 120 174 
Backlog9 1 8 
Third-party technology and licenses34 21 13 
Total intangible assets$2,019 $1,524 $495 
Schedule of estimated future amortization expense of finite-lived intangible assets
Future amortization expense related to existing finite-lived purchased intangible assets for the remainder of fiscal year 2025 and for each of the next five fiscal years and thereafter is estimated below:
Estimated future amortization expense:
(in millions)
Remainder of 2025$49 
2026$75 
2027$72 
2028$65 
2029$61 
2030$52 
Thereafter$121