XML 113 R96.htm IDEA: XBRL DOCUMENT v3.10.0.1

Taxes on Earnings - Schedule of Deferred Tax Asset Valuation Allowance and Changes (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2018	Oct. 31, 2017	Oct. 31, 2016
Movement in Valuation Allowances and Reserves
Balance at beginning of year	$ 8,807	$ 8,520	$ 7,114
Income tax (benefit) expense	(897)	297	1,421
Other comprehensive income, currency translation and charges to other accounts	(4)	(10)	(15)
Balance at end of year	$ 7,906	$ 8,807	$ 8,520

X

- Definition

Valuation Allowance, Deferred Tax Asset, Increase (Decrease) for Income Tax Expense (Benefit), Amount

+ References

No definition available.

+ Details

Name:	hpq_ValuationAllowanceDeferredTaxAssetIncreaseDecreaseforIncomeTaxExpenseBenefitAmount
Namespace Prefix:	hpq_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs related to currency translation and other.

+ References

No definition available.

+ Details

Name:	hpq_ValuationAllowancesAndReservesCurrencyTranslationAndOther
Namespace Prefix:	hpq_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319

+ Details

Name:	us-gaap_DeferredTaxAssetsValuationAllowance
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

Name:	us-gaap_MovementInValuationAllowancesAndReservesRollForward
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration