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INCOME TAXES INCOME TAXES Effective tax rate and tax holidays (Details) - USD ($) $ / shares in Units, $ in Millions | 12 Months Ended
--- | ---
Oct. 31, 2019 | Oct. 31, 2018 | Oct. 31, 2017
Effective Income Tax Rate Reconciliation |  |  |
Profit before tax times statutory rate | $ 193 | $ 221 | $ 281
Non-U.S. income taxed at different rates | (8) | (93) | (43)
Change in unrecognized tax benefits | (13) | (17) | (110)
U.S. Tax Reform | 0 |  | 0
Tax Cuts and Jobs Act, Income Tax Expense (Benefit) |  | 552 |
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount | (299) | 0 | 0
Adjustments to earnings of foreign subsidiaries | (25) | (33) | (9)
Income tax expense (benefit) | $ (152) | $ 630 | $ 119
Effective tax rate (in hundredths) | (16.50%) | 66.60% | 14.80%
Tax Holidays [Abstract] |  |  |
Impact of the income tax holidays | $ 368 | $ 87 | $ 93
Benefit of income tax holidays on net income per share | $ 1.16 | $ 0.27 | $ 0.29
Foreign |  |  |
Tax Holidays [Abstract] |  |  |
Benefit of income tax holidays on net income per share | $ 0.94 |  |

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