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COMMITMENTS AND CONTINGENCIES (Tables)
 12 Months Ended
Oct. 31, 2018
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]
Future minimum lease payments and future minimum lease income under operating leases at October 31, 2018:
 
 
Future Minimum
Lease Payments
 
Future Minimum
Lease Income
 
 
(in millions)
2019
 
$
42

 
$
9

2020
 
$
35

 
$
8

2021
 
$
23

 
$
9

2022
 
$
13

 
$
4

2023
 
$
10

 
$
—

Thereafter
 
$
57

 
$
—