v3.6.0.2

Goodwill and Intangible Assets (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Oct. 31, 2016 | Oct. 31, 2015 | Oct. 31, 2014
Goodwill |  |  |
Balance at beginning of period | $ 27,261 | $ 25,960 |
Goodwill acquired during the period | 12 | 1,987 |
Goodwill, divested during the period | (3,324) | (123) |
Changes due to foreign currency | (31) | (57) |
Goodwill adjustments | 260 | (506) |
Balance at end of period | 24,178 | 27,261 |
Accumulated impairment losses |  |  | $ 13,700
Enterprise Group |  |  |
Goodwill |  |  |
Balance at beginning of period | 18,712 | 16,867 |
Goodwill acquired during the period | 2 | 1,891 |
Goodwill, divested during the period | (3,000) | 0 |
Changes due to foreign currency | (29) | (52) |
Goodwill adjustments | 260 | 6 |
Balance at end of period | 15,945 | 18,712 |
Enterprise Services |  |  |
Goodwill |  |  |
Balance at beginning of period | 92 | 97 |
Goodwill acquired during the period | 0 | 0 |
Goodwill, divested during the period | (90) | 0 |
Changes due to foreign currency | (2) | (5) |
Goodwill adjustments | 0 | 0 |
Balance at end of period | 0 | 92 |
Accumulated impairment losses |  |  | 8,000
Software |  |  |
Goodwill |  |  |
Balance at beginning of period | 8,313 | 8,852 |
Goodwill acquired during the period | 10 | 96 |
Goodwill, divested during the period | (234) | (123) |
Changes due to foreign currency | 0 | 0 |
Goodwill adjustments | 0 | (512) |
Balance at end of period | 8,089 | 8,313 |
Accumulated impairment losses |  |  | $ 5,700
Financial Services |  |  |
Goodwill |  |  |
Balance at beginning of period | 144 | 144 |
Goodwill acquired during the period | 0 | 0 |
Goodwill, divested during the period | 0 | 0 |
Changes due to foreign currency | 0 | 0 |
Goodwill adjustments | 0 | 0 |
Balance at end of period | $ 144 | $ 144 |

X
- Definition Amount of increase (decrease) from divestiture and foreign currency impact adjustments of an asset representing future economic benefits arising from other assets that are not individually identified and separately recognized. + References No definition available. + Details
Name: | hpe_GoodwillDivestitureAndForeignCurrencyAdjustments
Namespace Prefix: | hpe_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The increase (decrease) in goodwill for adjustments which may include foreign currency translation adjustments, purchase accounting adjustments, organizational realignment related adjustments, and impairment losses recognized during the period. + References No definition available. + Details
Name: | hpe_GoodwillTranslationPurchaseAccountingAndOrganizationalRealignmentAdjustments
Namespace Prefix: | hpe_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 + Details
Name: | us-gaap_Goodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
Name: | us-gaap_GoodwillAcquiredDuringPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a,h) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
Name: | us-gaap_GoodwillImpairedAccumulatedImpairmentLoss
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_GoodwillRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of divestiture of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
Name: | us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=hpe_EnterpriseStorageServersAndNetworkingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=hpe_ServicesSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=hpe_SoftwareServicesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=hpe_FinancialServicesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |