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Restructuring (Tables)
 9 Months Ended
Jul. 31, 2017
Restructuring and Related Activities [Abstract]  
Schedule of Restructuring Activities
Restructuring activities related to the Company's employees and infrastructure, summarized by plan, are presented in the table below:
 
Fiscal 2015 Plan
 
Fiscal 2012 Plan
 
 
 
Employee
Severance
 
Infrastructure
and other
 
Employee
Severance
and EER
 
Infrastructure
and other
 
Total
 
In millions
Liability as of October 31, 2016
$
277

 
$
22

 
$
39

 
$
15

 
$
353

Charges
350

 
41

 
8

 
—

 
399

Cash payments
(351
)
 
(18
)
 
(26
)
 
(5
)
 
(400
)
Non-cash items
(33
)
 
(26
)
 
5

 
(8
)
 
(62
)
Liability as of July 31, 2017
$
243

 
$
19

 
$
26

 
$
2

 
$
290

Total costs incurred to date, as of July 31, 2017
$
794

 
$
99

 
$
1,237

 
$
222

 
$
2,352

Total costs expected to be incurred, as of July 31, 2017
$
982

 
$
248

 
$
1,237

 
$
222

 
$
2,689