XML 70 R4.htm IDEA: XBRL DOCUMENT v3.20.1
CONDENSED CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (LOSS) (Unaudited) (Parenthetical) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Apr. 30, 2020
Apr. 30, 2019
Apr. 30, 2020
Apr. 30, 2019
Other comprehensive income (loss), tax, parenthetical disclosures        
Unrealized gain (loss) on derivative instruments, tax $ 0 $ 1 $ 0 $ (1)
Amounts reclassified into earnings related to derivative instruments, tax 0 0 0 (1)
Foreign currency translation, tax 0 0 0 (9)
Net defined benefit pension cost and post retirement plan costs, tax        
Change in actuarial net loss, tax 2 2 5 6
Change in net prior service benefit, tax $ (1) $ (1) $ 0 $ (1)