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RETIREMENT PLANS AND POST RETIREMENT PENSION PLANS (Narrative) (Details)
 12 Months Ended
Oct. 31, 2015
USD ($)
year
Oct. 31, 2014
USD ($)
Oct. 31, 2013
USD ($)
Aug. 01, 2014
USD ($)
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]        
Fair value of plan assets $ 9,000,000     $ 2,037,000,000
Benefit obligation       2,157,000,000
Accumulated other comprehensive loss, before tax       344,000,000
Accumulated other comprehensive loss, net of tax $ (446,000,000) $ (361,000,000)   $ 270,000,000
Employer match percentage, maximum 4.00%      
Employee deferral percentage, maximum 50.00%      
Cost recognized $ 14,000,000 12,000,000    
Employee gross pay, match percent 6.00%      
Deferred Profit-Sharing Plan        
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]        
Fair value of plan assets $ 300,000,000      
U.S. Defined Benefit Plan        
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]        
Fair value of plan assets 475,000,000 491,000,000 $ 0  
Benefit obligation 559,000,000 514,000,000 0  
Expected contributions 0      
Non-U.S. Defined Benefit Plan        
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]        
Fair value of plan assets 1,343,000,000 1,318,000,000 0  
Benefit obligation 1,425,000,000 1,429,000,000 0  
Expected contributions 43,000,000      
U.S. Post-Retirement Benefit Plan        
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]        
Fair value of plan assets 179,000,000 187,000,000 0  
Benefit obligation $ 223,000,000 206,000,000 0  
Eligible retirees who were less than 50 years old as of January 1, 2005, retirement age (years) | year 55      
Eligible retirees who were less than 50 years old as of January 1, 2005, service period (years) 15 years      
Eligible retirees who were less than 50 years old as of January 1, 2005, retirement age for workforce managed terminations (years) | year 54      
Eligible retirees who were less than 50 years old as of January 1, 2005, service period for workforce managed terminations (years) 14 years      
Eligible retirees who were at least 50 years old as of January 1, 2005, retirement age (years) | year 55      
Eligible retirees who were at least 50 years old as of January 1, 2005, service period (years) 15 years      
Eligible retirees who were at least 50 years old as of January 1, 2005, retirement age for workforce managed terminations (years) | year 54      
Eligible retirees who were at least 50 years old as of January 1, 2005, service period for workforce managed terminations (years) 14 years      
Retirement age benchmark for subsidy (years) | year 65      
Expected contributions $ 2,000,000      
Agilent [Member] | Majority Shareholder        
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]        
Cost recognized   $ 9,000,000 $ 12,000,000