v3.6.0.2

Taxes on Earnings (Detail 8) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Oct. 31, 2016 | Oct. 31, 2015 | Oct. 31, 2014
Carryforward |  |  |
U.S. foreign tax credits | $ 291 |  |
U.S. research and development and other credits | 99 |  |
Tax credits in state and foreign jurisdictions | 205 |  |
Balance at end of year | 595 |  |
Valuation Allowance |  |  |
Tax credits in state and foreign jurisdictions | (160) |  |
Balance at end of year | (160) |  |
Valuation allowance balance |  |  |
Balance at beginning of year | 2,252 |  |
(Provision) benefit for taxes | (918) | $ 991 | $ (596)
Balance at end of year | 2,650 | 2,252 |
Increase (decrease) in valuation allowances | 398 | 1,700 |
Deferred tax asset valuation allowance |  |  |
Valuation allowance balance |  |  |
Balance at beginning of year | 2,252 | 3,912 | 3,194
(Provision) benefit for taxes | (235) | (1,155) | 198
Other comprehensive income, currency translation and charges to other accounts | 633 | (505) | 520
Balance at end of year | $ 2,650 | $ 2,252 | $ 3,912

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