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Retirement and Post-Retirement Benefit Plans (Tables)
6 Months Ended
Apr. 30, 2020
Retirement Benefits [Abstract]  
Schedule of Pension and Post-Retirement Benefit (Credit) Cost
The components of HP’s pension and post-retirement benefit (credit) cost recognized in the Consolidated Condensed Statements of Earnings were as follows:
 
Three months ended April 30
 
U.S. Defined Benefit Plans
 
Non-U.S. Defined Benefit Plans
 
Post-Retirement Benefit Plans
 
2020
 
2019
 
2020
 
2019
 
2020
 
2019
 
In millions
Service cost
$

 
$

 
$
15

 
$
15

 
$
1

 
$

Interest cost
103

 
123

 
4

 
6

 
2

 
4

Expected return on plan assets
(175
)
 
(146
)
 
(10
)
 
(9
)
 
(5
)
 
(5
)
Amortization and deferrals:
 

 
 

 
 

 
 

 
 

 
 

Actuarial loss (gain)
16

 
15

 
11

 
8

 
(3
)
 
(8
)
Prior service benefit

 

 

 

 
(3
)
 
(3
)
Net periodic (credit) benefit cost
(56
)
 
(8
)
 
20

 
20

 
(8
)
 
(12
)
Settlement loss
1

 
1

 

 

 

 

Total periodic (credit) benefit cost
$
(55
)
 
$
(7
)
 
$
20

 
$
20

 
$
(8
)
 
$
(12
)
 
 
 
 
 
 
 
 
 
 
 
 
 
Six months ended April 30
 
U.S. Defined Benefit Plans
 
Non-U.S. Defined Benefit Plans
 
Post- Retirement Benefit Plans
 
2020
 
2019
 
2020
 
2019
 
2020
 
2019
 
In millions
Service cost
$

 
$

 
$
31

 
$
29

 
$
1

 
$

Interest cost
206

 
246

 
9

 
12

 
5

 
8

Expected return on plan assets
(350
)
 
(291
)
 
(21
)
 
(19
)
 
(11
)
 
(10
)
Amortization and deferrals:


 


 


 


 


 


Actuarial loss (gain)
32

 
30

 
21

 
16

 
(5
)
 
(16
)
Prior service benefit

 

 
(1
)
 
(1
)
 
(6
)
 
(6
)
Net periodic (credit) benefit cost
(112
)
 
(15
)
 
39

 
37

 
(16
)
 
(24
)
Settlement loss
1

 
1

 

 

 

 

Special termination benefits

 

 

 

 
44

 

Total periodic (credit) benefit cost
$
(111
)
 
$
(14
)
 
$
39

 
$
37

 
$
28

 
$
(24
)