RETIREMENT PLANS AND POST RETIREMENT PENSION PLANS (Details) (Textual) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Jan. 31, 2015
Jan. 31, 2014
Pensions (U.S. Plans)    
Defined Benefit Plans Contributions    
Contributions to defined benefit plans $ 0 $ 0
Estimated future employer contributions in remainder of current fiscal year 15  
Pensions (Non-U.S. Plans)    
Defined Benefit Plans Contributions    
Contributions to defined benefit plans 5 7
Estimated future employer contributions in remainder of current fiscal year $ 21  
Employees hired before November 1, 2014    
Defined Benefit Plan Disclosure [Line Items]    
Maximum employer match in the Agilent 401(k) plan 4.00%  
Employees hired on or after November 1, 2014    
Defined Benefit Plan Disclosure [Line Items]    
Maximum employer match in the Agilent 401(k) plan 6.00%