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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 segment during the period
The following table presents goodwill balances and the movements for each of our reportable segments during the three months ended January 31, 2023:
 
 Life Sciences and Applied MarketsDiagnostics and GenomicsAgilent CrossLabTotal
 (in millions)
Goodwill as of October 31, 2022$1,743 $1,953 $256 $3,952 
Foreign currency translation impact12 1 7 20 
Goodwill arising from acquisitions and adjustments— 11 — 11 
Goodwill as of January 31, 2023$1,755 $1,965 $263 $3,983 
Components of other intangible assets during the period
The component parts of other intangible assets as of January 31, 2023 and October 31, 2022 are shown in the table below:
 
 Other Intangible Assets
 Gross
Carrying
Amount		Accumulated
Amortization		Net Book
Value
 (in millions)
As of October 31, 2022   
Purchased technology$1,733 $1,068 $665 
Trademark/Tradename196 148 48 
Customer relationships180 105 75 
Backlog8 8 — 
Third-party technology and licenses32 9 23 
Total amortizable intangible assets2,149 1,338 811 
In-Process R&D10 — 10 
Total$2,159 $1,338 $821 
As of January 31, 2023   
Purchased technology$1,761 $1,096 $665 
Trademark/Tradename196 152 44 
Customer relationships181 113 68 
Backlog8 8 — 
Third-party technology and licenses33 10 23 
Total amortizable intangible assets2,179 1,379 800 
In-Process R&D10 — 10 
Total$2,189 $1,379 $810 
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 2023 and for each of the next five fiscal years and thereafter is estimated below:
Estimated future amortization expense:
(in millions)
Remainder of 2023$109 
2024$129 
2025$104 
2026$75 
2027$73 
2028$67 
Thereafter$243