STOCKHOLDERS' EQUITY (Tables)
 12 Months Ended
Oct. 31, 2017
Accumulated Other Comprehensive Income (Loss) [Line Items]  
Accumulated other comprehensive income
The following table summarizes the components of our accumulated other comprehensive income (loss) as of October 31, 2017 and 2016, net of tax effect:

 
October 31,
 
2017
 
2016
 
(in millions)
Foreign currency translation, net of tax expense of $(8) and $(5) for 2017 and 2016, respectively
$
(156
)
 
(197
)
Unrealized losses (including prior service benefit) on defined benefit plans, net of tax benefit of $127 and $176 for 2017 and 2016, respectively
(188
)
 
(305
)
Unrealized gains (losses) on derivative instruments, net of tax benefit of $2 and $2 for 2017 and 2016, respectively
(2
)
 
(1
)
Total accumulated other comprehensive loss
$
(346
)
 
$
(503
)


Changes in accumulated other comprehensive income (loss) by component and related tax effects for the years ended October 31, 2017 and 2016 were as follows (in millions):

 
 
 
 
Net defined benefit pension cost and post retirement plan costs
 
 
 
 
 
 
Foreign currency translation
 
Prior service credits
 
Actuarial Losses
 
Unrealized gains (losses) on derivatives
 
Total
 
 
(in millions)
As of October 31, 2015
 
$
(189
)
 
$
161

 
$
(365
)
 
$
2

 
$
(391
)
 
 
 
 
 
 
 
 
 
 
 
Other comprehensive income (loss) before reclassifications
 
(5
)
 
6

 
(171
)
 
(10
)
 
(180
)
 
 
 
 
 
 
 
 
 
 
 
Amounts reclassified out of accumulated other comprehensive income
 
—

 
(29
)
 
43

 
3

 
17

 
 
 
 
 
 
 
 
 
 
 
Tax benefit
 
(3
)
 
8

 
42

 
4

 
51

 
 
 
 
 
 
 
 
 
 
 
Other comprehensive loss
 
(8
)
 
(15
)
 
(86
)
 
(3
)
 
(112
)
 
 
 
 
 
 
 
 
 
 
 
As of October 31, 2016
 
$
(197
)
 
$
146

 
$
(451
)
 
$
(1
)
 
$
(503
)
 
 
 
 
 
 
 
 
 
 
 
Other comprehensive income (loss) before reclassifications
 
44

 
—

 
116

 
—

 
160

 
 
 
 
 
 
 
 
 
 
 
Amounts reclassified out of accumulated other comprehensive income
 
—

 
(9
)
 
59

 
(1
)
 
49

 
 
 
 
 
 
 
 
 
 
 
Tax (expense) benefit
 
(3
)
 
3

 
(52
)
 
—

 
(52
)
 
 
 
 
 
 
 
 
 
 
 
Other comprehensive income (loss)
 
41

 
(6
)
 
123

 
(1
)
 
157

 
 
 
 
 
 
 
 
 
 
 
As of October 31, 2017
 
$
(156
)
 
$
140

 
$
(328
)
 
$
(2
)
 
$
(346
)
 
 
 
 
 
 
 
 
 
 
 
Reclassification out of Accumulated Other Comprehensive Income [Table Text Block]
Reclassifications out of accumulated other comprehensive income (loss) for the years ended October 31, 2017 and 2016 were as follows (in millions):
Details about accumulated other

Amounts Reclassified
Affected line item in
comprehensive income components

from other comprehensive income
statement of operations


2017

2016









Unrealized gains and (losses) on derivatives

$
1


$
(3
)
 
Cost of products


1


(3
)

Total before income tax


—


—

 
(Provision)/benefit for income tax


1


(3
)

Total net of income tax
Net defined benefit pension cost and post retirement plan costs:













Actuarial net loss

(59
)

(43
)

Cost of sales and operating expenses
Prior service benefit

9


29


Cost of sales and operating expenses


(50
)

(14
)

Total before income tax


14


4

 
(Provision)/benefit for income tax


(36
)

(10
)

Total net of income tax







Total reclassifications for the period

$
(35
)

$
(13
)