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CONDENSED CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (Unaudited) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Apr. 30, 2022
Apr. 30, 2021
Apr. 30, 2022
Apr. 30, 2021
Net income $ 274 $ 216 $ 557 $ 504
Other comprehensive income (loss):        
Unrealized gain (loss) on derivative instruments, net of tax expense (benefit) of $5, $0, $7 and $(2) 16 0 22 (4)
Amount reclassified into earnings related to derivative instruments, net of tax expense (benefit) of $(1), $2, $(2) and $4 (4) 4 (6) 10
Foreign currency translation, net of tax expense of $0, $0, $0 and $0 (54) 2 (81) 44
Net defined benefit pension cost and post retirement plan costs:        
Change in actuarial net loss, net of tax expense of $3, $4, $5 and $8 7 12 14 21
Change in net prior service benefit, net of tax expense of $0, $0, $0 and $0 0 (1) 0 (1)
Other comprehensive income (loss) (35) 17 (51) 70
Total comprehensive income $ 239 $ 233 $ 506 $ 574