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NEW ACCOUNTING PRONOUNCEMENTS NEW ACCOUNTING PRONOUNCEMENTS ASU 2016-15 (Tables)
 6 Months Ended
Apr. 30, 2019
Accounting Changes and Error Corrections [Abstract]  
Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Table Text Block]
 
Six Months Ended
April 30, 2018
 
As Originally
Reported
 
As
Adjusted
 
Change
 
(in millions)
Net cash provided by operating activities
$
282

 
$
282

 
$
—

Net cash used in investing activities
$
(49
)
 
$
(46
)
 
$
3

Net cash used in financing activities
$
(271
)
 
$
(274
)
 
$
(3
)

 
Three Months Ended
April 30, 2018
 
Six Months Ended
April 30, 2018
 
As Originally Reported
 
As Adjusted
 
Effect of Change
Higher/(Lower)
 
As Originally Reported
 
As Adjusted
 
Effect of Change
Higher/(Lower)
 
(in millions)
 
(in millions)
 
 
 
 
Cost of products
$
367

 
$
370

 
$
3

 
$
704

 
$
709

 
$
5

Cost of services
$
80

 
$
81

 
$
1

 
$
153

 
$
154

 
$
1

Research and development
$
156

 
$
160

 
$
4

 
$
302

 
$
310

 
$
8

Selling, general and administrative
$
299

 
$
305

 
$
6

 
$
588

 
$
600

 
$
12

Other income (expense), net
$
2

 
$
16

 
$
14

 
$
3

 
$
29

 
$
26