v3.6.0.2

Taxes on Earnings (Detail 4) $ in Millions | 12 Months Ended | 60 Months Ended
--- | --- | ---
Oct. 31, 2016 USD ($) item | Oct. 31, 2015 USD ($) | Oct. 31, 2014 USD ($) | Dec. 31, 2009 USD ($)
Reconciliation of unrecognized tax benefits |  |  |  |
Balance at beginning of year | $ 4,901 | $ 2,067 | $ 1,925 |
Increases: |  |  |  |
For current year's tax positions | 1,481 | 1,449 | 273 |
For prior years' tax positions | 863 | 3,591 | 533 |
Net transfers from former Parent through equity | 4,540 | 0 | 0 |
Decreases: |  |  |  |
For prior years' tax positions | (115) | (554) | (328) |
Statute of limitations expiration | (47) | (12) | (121) |
Settlements with taxing authorities | (73) | (54) | (215) |
Net transfers to former Parent through equity | 0 | (1,586) | 0 |
Balance at end of year | 11,550 | 4,901 | 2,067 |
Unrecognized tax benefits that would affect effective tax rate if realized | 3,100 | 600 | $ 1,400 |
Increase in unrecognized tax benefit related to the timing of intercompany royalty income recognition | 6,600 |  |  |
Increase in unrecognized tax benefits |  | 2,800 |  |
Accrued income tax for interest and penalties | $ 423 | $ 269 |  |
Likelihood of no resolution period | 12 months |  |  |
Likelihood of conclusion period for certain federal, foreign and state tax issues | 12 months |  |  |
Reasonably possible decrease in existing unrecognized tax benefits within the next 12 months | $ 2,500 |  |  |
Number of other countries in which HP is subject to income taxes | item | 110 |  |  |
Income tax examination, additional tax payable |  |  |  | $ 336
Income tax examination, proposed assessment amount | $ 743 |  |  |
Undistributed earnings from non-U.S. operations | $ 26,200 |  |  |

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