CONDENSED CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2021	Apr. 30, 2020	Apr. 30, 2021	Apr. 30, 2020
Net income	$ 216	$ 101	$ 504	$ 298
Other comprehensive income (loss):
Unrealized gain (loss) on derivative instruments, net of tax expense (benefit) of $0, $0 $(2) and $0	0	2	(4)	3
Amounts reclassified into earnings related to derivative instruments, net of tax expense (benefit) of $2, $0, $4 and $0	4	(1)	10	(1)
Foreign currency translation, net of tax expense (benefit) of $0, $0, $0 and $0	2	(29)	44	(40)
Net defined benefit pension cost and post retirement plan costs:
Change in actuarial net loss, net of tax expense of $4, $2, $8 and $5	12	12	21	18
Change in net prior service benefit, net of tax expense (benefit) of $0, $(1), $0 and $0	(1)	(1)	(1)	(4)
Other comprehensive income (loss)	17	(17)	70	(24)
Total comprehensive income	$ 233	$ 84	$ 574	$ 274