v3.6.0.2

Taxes on Earnings (Detail 2) | 12 Months Ended
--- | ---
Oct. 31, 2016 | Oct. 31, 2015 | Oct. 31, 2014
Differences between the U.S. federal statutory income tax rate and HP's effective tax rate |  |  |
U.S. federal statutory income tax rate | 35.00% | 35.00% | 35.00%
State income taxes, net of federal tax benefit | (0.40%) | 14.10% | 2.40%
Lower rates in other jurisdictions, net | (26.80%) | (53.60%) | (9.60%)
Valuation allowance | (5.80%) | (75.70%) | 3.20%
Uncertain tax positions | 23.70% | 5.80% | (0.70%)
Other, net | (3.20%) | 7.00% | (3.70%)
Effective tax rate (as a percent) | 22.50% | (67.40%) | 26.60%

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