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SHARE-BASED COMPENSATION (Tables)
9 Months Ended
Jul. 31, 2021
Share-based Payment Arrangement, Noncash Expense [Abstract]  
Allocated share-based compensation expense disclosure
The impact on our results for share-based compensation was as follows:
 
Three Months EndedNine Months Ended
July 31,July 31,
 2021202020212020
 (in millions)
Cost of products and services$$$21 $16 
Research and development
Selling, general and administrative14 12 60 41 
Total share-based compensation expense$23 $19 $90 $64 
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions And Methodology [Text Block]
The following assumptions were used to estimate the fair value of awards granted.
 
Three Months EndedNine Months Ended
July 31,July 31,
 2021202020212020
Stock Option Plans:    
Weighted average risk-free interest rate0.9%0.5%— 
Dividend yield0.6%0.7%— 
Weighted average volatility26%26%— 
Expected life5.5 years5.5 years— 
LTPP:
Volatility of Agilent shares30%23%30%23%
Volatility of selected peer-company shares
24%-57%
15%-44%
24%-57%
15%-44%
Pair-wise correlation with selected peers45%29%45%29%
Post-vest holding restriction discount for all executive awards6.8%5.3%6.8%5.3%