SHARE-BASED COMPENSATION Fair Value Assumptions (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Jan. 31, 2015
Jan. 31, 2014
Oct. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
ESPP plan purchase price (in hundredths) 85.00% 85.00%  
Share-based compensation capitalized within inventory $ 0   $ 0
Stock Options      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Weighted average risk-free interest rate (in hundredths) 1.80% 1.70%  
Dividend yield 1.00% 1.00%  
Weighted average volatility (in hundredths) 28.00% 39.00%  
Expected life (in years) 5 years 6 months 5 years 9 months  
LTPP      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Volatility of Agilent shares (in hundredths) 25.00% 36.00%  
Volatility of selected peer-company shares minimum (in hundredths) 12.00% 13.00%  
Volatility of selected peer-company shares maximum (in hundredths) 57.00% 57.00%  
Price-wise correlation with selected peers (in hundredths) 37.00% 47.00%