Postretirement Benefits (Tables)

6 Months Ended

Apr. 30, 2021

Schedule of Net Periodic Benefit Expense

Net periodic benefit expense included in our Consolidated Statements of Operations for the three and six months ended April 30, 2021 and 2020 are comprised of the following:


	Three Months Ended April 30,								Six Months Ended April 30,
	Pension Benefits				Health and Life Insurance Benefits				Pension Benefits				Health and Life Insurance Benefits
(in millions)	2021		2020		2021		2020		2021		2020		2021		2020
Service cost for benefits earned during the period	$	2	$	2	$	1	$	1	$	4	$	4	$	1	$	2
Interest on obligation	13		21		2		7		27		42		5		14
Amortization of cumulative loss (gain)	27		24		(10)		—		54		49		(20)		—


Contractual termination benefits	—		—		—		—		9		—		3		—

Premiums on pension insurance	2		3		—		—		5		6		—		—
Expected return on assets	(33)		(36)		(4)		(5)		(66)		(72)		(8)		(10)
Net periodic benefit expense (income)	$	11	$	14	$	(11)	$	3	$	33	$	29	$	(19)	$	6