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RETIREMENT PLANS AND POST RETIREMENT PENSION PLANS (Components) (Details) - USD ($)
$ in Millions
 12 Months Ended
Oct. 31, 2015
Oct. 31, 2014
Oct. 31, 2013
Other changes in plan assets and benefit obligations recognized in other comprehensive (income) loss [Abstract]      
Amortization of prior service credit $ (29) $ (8)  
Change in fair value of plan assets: [Roll Forward]      
Fair value — end of year 9    
U.S. Defined Benefit Plan      
Net periodic benefit cost (benefit) [Abstract]      
Service cost — benefits earned during the period 22 5 $ 0
Interest cost on benefit obligation 20 5 0
Expected return on plan assets (38) (10) 0
Amortization of net actuarial loss 4 1 0
Amortization of prior service credit (7) (1) 0
Net periodic benefit cost (benefit) 1 0 0
Allocated benefit cost (benefit) from Agilent 0 3 9
Total periodic benefit cost (benefit) 1 3 9
Other changes in plan assets and benefit obligations recognized in other comprehensive (income) loss [Abstract]      
Prior service credits assumed at the Capitalization 0 (33) 0
Net actuarial loss assumed at the Capitalization 0 40 0
Net actuarial loss 57 5 0
Amortization of net actuarial loss (4) (1) 0
Amortization of prior service credit 7 1 0
Foreign currency 0 0 0
Total recognized in other comprehensive (income) loss 60 12 0
Total recognized in net periodic benefit cost (benefit) and other comprehensive (income) loss 61 15 9
Change in fair value of plan assets: [Roll Forward]      
Fair value — beginning of year 491 0  
Assets received from Agilent 0 490  
Actual return on plan assets 7 7  
Employer contributions 0 0  
Benefits paid (23) (6)  
Currency impact 0 0  
Fair value — end of year 475 491 0
Change in benefit obligation: [Roll Forward]      
Benefit obligation — beginning of year 514 0  
Liabilities assumed from Agilent 0 508  
Service cost 22 5  
Interest cost 20 5 0
Plan amendment 0 0  
Actuarial loss 27 2  
Benefits paid (24) (6)  
Currency impact 0 0  
Benefit obligation — end of year 559 514 0
Funded status of plan [Abstract]      
Underfunded status of PBO (84) (23)  
Non-U.S. Defined Benefit Plan      
Net periodic benefit cost (benefit) [Abstract]      
Service cost — benefits earned during the period 18 4 0
Interest cost on benefit obligation 41 11 0
Expected return on plan assets (72) (19) 0
Amortization of net actuarial loss 27 7 0
Amortization of prior service credit (1) 0 0
Net periodic benefit cost (benefit) 13 3 0
Allocated benefit cost (benefit) from Agilent 0 9 23
Total periodic benefit cost (benefit) 13 12 23
Other changes in plan assets and benefit obligations recognized in other comprehensive (income) loss [Abstract]      
Prior service credits assumed at the Capitalization 0 (3) 0
Net actuarial loss assumed at the Capitalization 0 367 0
Net actuarial loss 51 39 0
Amortization of net actuarial loss (27) (7) 0
Amortization of prior service credit 1 0 0
Foreign currency 24 9 0
Total recognized in other comprehensive (income) loss 49 405 0
Total recognized in net periodic benefit cost (benefit) and other comprehensive (income) loss 62 417 23
Change in fair value of plan assets: [Roll Forward]      
Fair value — beginning of year 1,318 0  
Assets received from Agilent 9 1,358  
Actual return on plan assets 81 46  
Employer contributions 48 10  
Benefits paid (33) (9)  
Currency impact (80) (87)  
Fair value — end of year 1,343 1,318 0
Change in benefit obligation: [Roll Forward]      
Benefit obligation — beginning of year 1,429 0  
Liabilities assumed from Agilent 0 1,446  
Service cost 18 4  
Interest cost 41 11 0
Plan amendment 0 (1)  
Actuarial loss 60 70  
Benefits paid (33) (9)  
Currency impact (90) (92)  
Benefit obligation — end of year 1,425 1,429 0
Funded status of plan [Abstract]      
Underfunded status of PBO (82) (111)  
U.S. Post-Retirement Benefit Plan      
Net periodic benefit cost (benefit) [Abstract]      
Service cost — benefits earned during the period 1 0 0
Interest cost on benefit obligation 7 2 0
Expected return on plan assets (13) (4) 0
Amortization of net actuarial loss 12 2 0
Amortization of prior service credit (21) (5) 0
Net periodic benefit cost (benefit) (14) (5) 0
Allocated benefit cost (benefit) from Agilent 0 (9) (10)
Total periodic benefit cost (benefit) (14) (14) (10)
Other changes in plan assets and benefit obligations recognized in other comprehensive (income) loss [Abstract]      
Prior service credits assumed at the Capitalization 0 (102) 0
Net actuarial loss assumed at the Capitalization 0 75 0
Net actuarial loss 31 7 0
Amortization of net actuarial loss (12) (2) 0
Amortization of prior service credit 21 5 0
Foreign currency 0 0 0
Total recognized in other comprehensive (income) loss 40 (17) 0
Total recognized in net periodic benefit cost (benefit) and other comprehensive (income) loss 26 (31) (10)
Change in fair value of plan assets: [Roll Forward]      
Fair value — beginning of year 187 0  
Assets received from Agilent 0 189  
Actual return on plan assets 2 2  
Employer contributions 1 0  
Benefits paid (11) (4)  
Currency impact 0 0  
Fair value — end of year 179 187 0
Change in benefit obligation: [Roll Forward]      
Benefit obligation — beginning of year 206 0  
Liabilities assumed from Agilent 0 203  
Service cost 1 0  
Interest cost 7 2 0
Plan amendment 0 0  
Actuarial loss 20 5  
Benefits paid (11) (4)  
Currency impact 0 0  
Benefit obligation — end of year 223 206 $ 0
Funded status of plan [Abstract]      
Underfunded status of PBO $ (44) $ (19)