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Restructuring (Tables)
3 Months Ended
Jan. 31, 2019
Restructuring and Related Activities [Abstract]  
Schedule of Restructuring Activities
Restructuring activities related to the Company's employees and infrastructure for the 2015 and 2012 Plans are presented in the table below:
 
2015 Plan
 
2012 Plan
 
 
 
Employee
Severance
 
Infrastructure
and other
 
Employee
Severance
and EER
 
Infrastructure
and other
 
Total
 
In millions
Liability as of October 31, 2018
$
62

 
$
10

 
$
11

 
$
1

 
$
84

Cash payments
(9
)
 
(1
)
 
(2
)
 

 
(12
)
Liability as of January 31, 2019
$
53

 
$
9

 
$
9

 
$
1

 
$
72

Total costs incurred to date, as of January 31, 2019
$
751

 
$
78

 
$
1,268

 
$
145

 
$
2,242

Total costs expected to be incurred, as of January 31, 2019
$
751

 
$
78

 
$
1,268

 
$
145

 
$
2,242

 
Employee
Severance
 
Infrastructure
and other
 
In millions
Liability as of October 31, 2018
$
291

 
$
33

Charges
28

 
5

Cash payments
(91
)
 
(7
)
Non-cash items
(4
)
 
(2
)
Liability as of January 31, 2019
$
224

 
$
29

Total costs incurred to date, as of January 31, 2019
$
794

 
$
66

Total costs expected to be incurred, as of January 31, 2019
$
1,200

 
$
180