OTHER COMPREHENSIVE INCOME ITEMS - Amounts Recorded in and Reclassifications out of (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
Jul. 31, 2016 | Jul. 31, 2015 | Jul. 31, 2016 | Jul. 31, 2015 |
Other Comprehensive Income (Loss), Before Tax | | | | |
Interest expense | $ (200.7) | $ (171.5) | $ (564.9) | $ (517.1) |
Other operating expense | (276.6) | (223.6) | (884.7) | (659.1) |
Other income | 224.5 | 157.5 | 538.3 | 537.7 |
Total other comprehensive income (loss), before tax | (43) | (190) | 202 | (659) |
Other Comprehensive Income (Loss), Tax (Expense) Credit | | | | |
Total other comprehensive income (loss), tax (expense) credit | (20) | (24) | (55) | (65) |
Other Comprehensive Income (Loss), After Tax | | | | |
Other Comprehensive Income (Loss), Net of Income Taxes | (63.4) | (213.9) | 147.3 | (724.8) |
Cumulative Translation Adjustment | | | | |
Other Comprehensive Income (Loss), Before Tax | | | | |
Total other comprehensive income (loss), before tax | (100) | (256) | 54 | (831) |
Other Comprehensive Income (Loss), Tax (Expense) Credit | | | | |
Total other comprehensive income (loss), tax (expense) credit | 1 | 1 | | (1) |
Other Comprehensive Income (Loss), After Tax | | | | |
Other comprehensive income (loss) before reclassification, after tax | | | 54 | (832) |
Other Comprehensive Income (Loss), Net of Income Taxes | (99) | (255) | 54 | (832) |
Unrealized Gain (Loss) on Derivatives | | | | |
Other Comprehensive Income (Loss), Before Tax | | | | |
Other comprehensive income (loss) before reclassification, before tax | (1) | (4) | (3) | (8) |
Total other comprehensive income (loss), before tax | | (2) | 2 | (2) |
Other Comprehensive Income (Loss), Tax (Expense) Credit | | | | |
Other comprehensive income (loss) before reclassification, tax (expense) credit | | 2 | 1 | 3 |
Total other comprehensive income (loss), tax (expense) credit | | 1 | (1) | 1 |
Other Comprehensive Income (Loss), After Tax | | | | |
Other comprehensive income (loss) before reclassification, after tax | (1) | (2) | (2) | (5) |
Reclassification from accumulated other comprehensive income, after tax | | | 3 | 4 |
Other Comprehensive Income (Loss), Net of Income Taxes | | (1) | 1 | (1) |
Unrealized Gain (Loss) on Derivatives | Interest Rate Contracts | Reclassification out of Accumulated Other Comprehensive Income (Loss) | | | | |
Other Comprehensive Income (Loss), Before Tax | | | | |
Interest expense | 1 | 3 | 6 | 9 |
Other Comprehensive Income (Loss), Tax (Expense) Credit | | | | |
Reclassification from accumulated other comprehensive income, tax (expense) credit | | (1) | (2) | (3) |
Other Comprehensive Income (Loss), After Tax | | | | |
Reclassification from accumulated other comprehensive income, after tax | 1 | 2 | 4 | 6 |
Unrealized Gain (Loss) on Derivatives | Foreign Exchange Contracts | Reclassification out of Accumulated Other Comprehensive Income (Loss) | | | | |
Other Comprehensive Income (Loss), Before Tax | | | | |
Other operating expense | | (1) | (1) | (3) |
Other Comprehensive Income (Loss), Tax (Expense) Credit | | | | |
Reclassification from accumulated other comprehensive income, tax (expense) credit | | | | 1 |
Other Comprehensive Income (Loss), After Tax | | | | |
Reclassification from accumulated other comprehensive income, after tax | | (1) | (1) | (2) |
Unrealized Gain (Loss) on Investments | | | | |
Other Comprehensive Income (Loss), Before Tax | | | | |
Other comprehensive income (loss) before reclassification, before tax | 11 | 6 | 10 | 14 |
Total other comprehensive income (loss), before tax | 9 | 3 | 7 | 7 |
Other Comprehensive Income (Loss), Tax (Expense) Credit | | | | |
Other comprehensive income (loss) before reclassification, tax (expense) credit | (4) | (3) | (3) | (5) |
Total other comprehensive income (loss), tax (expense) credit | (3) | (2) | (2) | (2) |
Other Comprehensive Income (Loss), After Tax | | | | |
Other comprehensive income (loss) before reclassification, after tax | 7 | 3 | 7 | 9 |
Reclassification from accumulated other comprehensive income, after tax | | | (2) | (4) |
Other Comprehensive Income (Loss), Net of Income Taxes | 6 | 1 | 5 | 5 |
Unrealized Gain (Loss) on Investments | Reclassification out of Accumulated Other Comprehensive Income (Loss) | | | | |
Other Comprehensive Income (Loss), Before Tax | | | | |
Other income | (2) | (3) | (3) | (7) |
Other Comprehensive Income (Loss), Tax (Expense) Credit | | | | |
Reclassification from accumulated other comprehensive income, tax (expense) credit | 1 | 1 | 1 | 3 |
Other Comprehensive Income (Loss), After Tax | | | | |
Reclassification from accumulated other comprehensive income, after tax | (1) | (2) | (2) | (4) |
Retirement Benefits Adjustment | | | | |
Other Comprehensive Income (Loss), Before Tax | | | | |
Total other comprehensive income (loss), before tax | 48 | 65 | 139 | 167 |
Other Comprehensive Income (Loss), Tax (Expense) Credit | | | | |
Total other comprehensive income (loss), tax (expense) credit | (18) | (24) | (52) | (63) |
Other Comprehensive Income (Loss), After Tax | | | | |
Other comprehensive income (loss) before reclassification, after tax | | | (23) | (23) |
Reclassification from accumulated other comprehensive income, after tax | | | 110 | 127 |
Other Comprehensive Income (Loss), Net of Income Taxes | 30 | 41 | 87 | 104 |
Retirement Benefits Adjustment | Pensions | | | | |
Other Comprehensive Income (Loss), Before Tax | | | | |
Other comprehensive income (loss) before reclassification, before tax | (7) | (4) | (24) | (21) |
Other Comprehensive Income (Loss), Tax (Expense) Credit | | | | |
Other comprehensive income (loss) before reclassification, tax (expense) credit | 2 | 1 | 8 | 7 |
Other Comprehensive Income (Loss), After Tax | | | | |
Other comprehensive income (loss) before reclassification, after tax | (5) | (3) | (16) | (14) |
Retirement Benefits Adjustment | Health Care and Life Insurance | | | | |
Other Comprehensive Income (Loss), Before Tax | | | | |
Other comprehensive income (loss) before reclassification, before tax | | | (11) | (12) |
Other Comprehensive Income (Loss), Tax (Expense) Credit | | | | |
Other comprehensive income (loss) before reclassification, tax (expense) credit | | | 4 | 3 |
Other Comprehensive Income (Loss), After Tax | | | | |
Other comprehensive income (loss) before reclassification, after tax | | | (7) | (9) |
Actuarial (Gain) Loss | Reclassification out of Accumulated Other Comprehensive Income (Loss) | Pensions | | | | |
Other Comprehensive Income (Loss), Before Tax | | | | |
Reclassification from accumulated other comprehensive income, before tax | 51 | 55 | 155 | 165 |
Other Comprehensive Income (Loss), Tax (Expense) Credit | | | | |
Reclassification from accumulated other comprehensive income, tax (expense) credit | (19) | (20) | (57) | (60) |
Other Comprehensive Income (Loss), After Tax | | | | |
Reclassification from accumulated other comprehensive income, after tax | 32 | 35 | 98 | 105 |
Actuarial (Gain) Loss | Reclassification out of Accumulated Other Comprehensive Income (Loss) | Health Care and Life Insurance | | | | |
Other Comprehensive Income (Loss), Before Tax | | | | |
Reclassification from accumulated other comprehensive income, before tax | 18 | 22 | 55 | 68 |
Other Comprehensive Income (Loss), Tax (Expense) Credit | | | | |
Reclassification from accumulated other comprehensive income, tax (expense) credit | (6) | (8) | (20) | (25) |
Other Comprehensive Income (Loss), After Tax | | | | |
Reclassification from accumulated other comprehensive income, after tax | 12 | 14 | 35 | 43 |
Prior Service (Credit) Cost | Reclassification out of Accumulated Other Comprehensive Income (Loss) | Pensions | | | | |
Other Comprehensive Income (Loss), Before Tax | | | | |
Reclassification from accumulated other comprehensive income, before tax | 4 | 7 | 12 | 19 |
Other Comprehensive Income (Loss), Tax (Expense) Credit | | | | |
Reclassification from accumulated other comprehensive income, tax (expense) credit | (1) | (2) | (4) | (7) |
Other Comprehensive Income (Loss), After Tax | | | | |
Reclassification from accumulated other comprehensive income, after tax | 3 | 5 | 8 | 12 |
Prior Service (Credit) Cost | Reclassification out of Accumulated Other Comprehensive Income (Loss) | Health Care and Life Insurance | | | | |
Other Comprehensive Income (Loss), Before Tax | | | | |
Reclassification from accumulated other comprehensive income, before tax | (19) | (19) | (58) | (57) |
Other Comprehensive Income (Loss), Tax (Expense) Credit | | | | |
Reclassification from accumulated other comprehensive income, tax (expense) credit | 7 | 7 | 21 | 21 |
Other Comprehensive Income (Loss), After Tax | | | | |
Reclassification from accumulated other comprehensive income, after tax | (12) | (12) | (37) | (36) |
Settlements/Curtailments | Reclassification out of Accumulated Other Comprehensive Income (Loss) | Pensions | | | | |
Other Comprehensive Income (Loss), Before Tax | | | | |
Reclassification from accumulated other comprehensive income, before tax | 1 | 4 | 10 | 5 |
Other Comprehensive Income (Loss), Tax (Expense) Credit | | | | |
Reclassification from accumulated other comprehensive income, tax (expense) credit | $ (1) | (2) | (4) | (2) |
Other Comprehensive Income (Loss), After Tax | | | | |
Reclassification from accumulated other comprehensive income, after tax | | $ 2 | $ 6 | $ 3 |