CONDENSED CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (LOSS) (Unaudited) (Parenthetical) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Apr. 30, 2016 |
Apr. 30, 2015 |
Apr. 30, 2016 |
Apr. 30, 2015 |
|
| Other comprehensive income (loss), tax, parenthetical disclosures | ||||
| Unrealized gain (loss) on derivative instruments, tax | $ (4) | $ (1) | $ (3) | $ 2 |
| Amounts reclassified into earnings related to derivative instruments, tax | (1) | (2) | (1) | (3) |
| Foreign currency translation, tax | 8 | (1) | 7 | (7) |
| Net defined benefit pension cost and post retirement plan costs, tax | ||||
| Change in actuarial net loss, tax | 3 | 2 | 7 | 4 |
| Change in net prior service benefit, tax | $ (1) | $ (1) | $ (6) | $ (3) |