CONDENSED CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2020	Apr. 30, 2019	Apr. 30, 2020	Apr. 30, 2019
Net income	$ 101	$ 182	$ 298	$ 686
Other comprehensive income (loss):
Unrealized gain (loss) on derivative instruments, net of tax expense (benefit) of $0, $1, $0 and $(1)	2	3	3	(1)
Amounts reclassified into earnings related to derivative instruments, net of tax expense (benefit) of $0, $0, $0 and $(1)	(1)	0	(1)	(4)
Foreign currency translation, net of tax expense (benefit) of $0, $0, $0 and $(9)	(29)	(25)	(40)	13
Net defined benefit pension cost and post retirement plan costs:
Change in actuarial net loss, net of tax expense of $2, $2, $5 and $6	12	6	18	12
Change in net prior service benefit, net of tax expense (benefit) of $(1), $(1), $0 and $(1)	(1)	(1)	(4)	(3)
Other comprehensive income (loss)	(17)	(17)	(24)	17
Total comprehensive income	$ 84	$ 165	$ 274	$ 703