XML 128 R111.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Financial Instruments - Cash Equivalents and Available-for-Sale Investments (Details) - USD ($) $ in Millions | Oct. 31, 2018 | Oct. 31, 2017
--- | --- | ---
Cash equivalents and available-for-sale investments |  |
Cost | $ 3,996 | $ 5,398
Fair Value | 3,996 | 5,398
Available-for-Sale Investments: |  |
Debt securities, Cost | 714 |
Total available-for-sale investments, Cost | 756 | 1,194
Total available-for-sale investments, Gross Unrealized Gain | 11 | 17
Total available-for-sale investments, Gross Unrealized Loss | (3) | (1)
Debt securities, Fair Value | 711 |
Total available-for-sale investments, Fair Value | 764 | 1,210
Cost | 4,752 | 6,592
Gross Unrealized Gain | 11 | 17
Gross Unrealized Loss | (3) | (1)
Fair Value | 4,760 | 6,608
Corporate Debt |  |
Cash equivalents and available-for-sale investments |  |
Cost | 1,620 | 1,390
Fair Value | 1,620 | 1,390
Available-for-Sale Investments: |  |
Debt securities, Cost | 368 | 629
Debt securities, Gross Unrealized Gain | 0 | 0
Debt securities, Gross Unrealized Loss | (2) | 0
Debt securities, Fair Value | 366 | 629
Financial institution instruments |  |
Cash equivalents and available-for-sale investments |  |
Cost | 9 | 6
Fair Value | 9 | 6
Available-for-Sale Investments: |  |
Debt securities, Cost | 32 | 78
Debt securities, Gross Unrealized Gain | 0 | 0
Debt securities, Gross Unrealized Loss | 0 | 0
Debt securities, Fair Value | 32 | 78
Government debt |  |
Cash equivalents and available-for-sale investments |  |
Cost | 2,367 | 4,002
Fair Value | 2,367 | 4,002
Available-for-Sale Investments: |  |
Debt securities, Cost | 314 | 443
Debt securities, Gross Unrealized Gain | 0 | 0
Debt securities, Gross Unrealized Loss | (1) | (1)
Debt securities, Fair Value | 313 | 442
Marketable equity securities |  |
Available-for-Sale Investments: |  |
Equity securities, Cost | 4 | 5
Equity securities, Gross Unrealized Gain | 2 | 7
Equity securities, Gross Unrealized Loss | 0 | 0
Equity securities, Fair Value | 6 | 12
Mutual funds |  |
Available-for-Sale Investments: |  |
Debt securities, Cost | 38 | 39
Debt securities, Gross Unrealized Gain | 9 | 10
Debt securities, Gross Unrealized Loss | 0 | 0
Debt securities, Fair Value | $ 47 | $ 49

X
- Definition Cash Equivalents and Available For Sale Securities, Accumulated Gross Unrealized Gain, before Tax + References No definition available. + Details
Name: | hpq_CashEquivalentsandAvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainbeforeTax
Namespace Prefix: | hpq_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Cash Equivalents and Available For Sale Securities, Accumulated Gross Unrealized Loss, before Tax + References No definition available. + Details
Name: | hpq_CashEquivalentsandAvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossbeforeTax
Namespace Prefix: | hpq_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Cash Equivalents and Available For Sale Securities, Amortized Cost Basis + References No definition available. + Details
Name: | hpq_CashEquivalentsandAvailableForSaleSecuritiesAmortizedCostBasis
Namespace Prefix: | hpq_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Cash Equivalents and Available For Sale Securities, Fair Value + References No definition available. + Details
Name: | hpq_CashEquivalentsandAvailableForSaleSecuritiesFairValue
Namespace Prefix: | hpq_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Debt Securities, Trading, and Equity Securities, FV-NI, Accumulated Gross Unrealized Gain, before Tax + References No definition available. + Details
Name: | hpq_DebtSecuritiesTradingandEquitySecuritiesFVNIAccumulatedGrossUnrealizedGainbeforeTax
Namespace Prefix: | hpq_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Debt Securities, Trading, and Equity Securities, FV-NI, Accumulated Gross Unrealized Loss, before Tax + References No definition available. + Details
Name: | hpq_DebtSecuritiesTradingandEquitySecuritiesFVNIAccumulatedGrossUnrealizedLossbeforeTax
Namespace Prefix: | hpq_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Equity Securities, FV-NI, Accumulated Gross Unrealized Gain, before Tax + References No definition available. + Details
Name: | hpq_EquitySecuritiesFVNIAccumulatedGrossUnrealizedGainbeforeTax
Namespace Prefix: | hpq_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Equity Securities, FV-NI, Accumulated Gross Unrealized Loss, before Tax + References No definition available. + Details
Name: | hpq_EquitySecuritiesFVNIAccumulatedGrossUnrealizedLossbeforeTax
Namespace Prefix: | hpq_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | hpq_ScheduleOfCashEquivalentsAndAvailableForSaleInvestmentsLineItems
Namespace Prefix: | hpq_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563 + Details
Name: | us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563 + Details
Name: | us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563 + Details
Name: | us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_AvailableForSaleSecuritiesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109979856&loc=d3e26610-111562 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesDebtSecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References No definition available. + Details
Name: | us-gaap_CashAndCashEquivalentsFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_CashEquivalentsAtCarryingValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Cost of investment in debt investment in debt security measured at fair value with change in fair value recognized in net income (trading) and investment in equity security with change in fair value recognized in net income (FV-NI). Excludes equity method investment and investment in equity security without readily determinable fair value. + References No definition available. + Details
Name: | us-gaap_DebtSecuritiesTradingAndEquitySecuritiesFvNiCost
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=99377092&loc=SL75136599-209740 + Details
Name: | us-gaap_EquitySecuritiesFvNi
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Cost of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). Excludes equity method investment and investment in equity security without readily determinable fair value. + References No definition available. + Details
Name: | us-gaap_EquitySecuritiesFvNiCost
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in net income (trading) and investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.4) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
Name: | us-gaap_TradingSecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_CorporateDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=hpq_FinancialInstitutionInstrumentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_USTreasuryAndGovernmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_EquitySecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_MutualFundMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |