XML 23 R55.htm IDEA: XBRL DOCUMENT v2.4.1.9
Financial Instruments (Details 2) (USD $)
In Millions, unless otherwise specified
Apr. 30, 2015
Oct. 31, 2014
Cost    
Due in one year $ 159us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost  
Due in one to five years 2us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost  
Due in more than five years 325hpq_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveYearsAmortizedCost  
Total 486us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis  
Fair Value    
Due in one year 159us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue  
Due in one to five years 2us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue  
Due in more than five years 396hpq_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveYearsFairValue  
Total 557us-gaap_AvailableForSaleSecuritiesDebtSecurities  
Equity securities in privately held companies | Long-term Financing Receivables and Other Assets    
Investment Holdings    
Investment amount $ 28us-gaap_AvailableForSaleSecurities
/ us-gaap_BalanceSheetLocationAxis
= hpq_LongTermFinancingReceivablesAndOtherAssetsMember
/ us-gaap_InvestmentTypeAxis
= hpq_EquitySecuritiesInPrivatelyHeldCompaniesMember		 $ 97us-gaap_AvailableForSaleSecurities
/ us-gaap_BalanceSheetLocationAxis
= hpq_LongTermFinancingReceivablesAndOtherAssetsMember
/ us-gaap_InvestmentTypeAxis
= hpq_EquitySecuritiesInPrivatelyHeldCompaniesMember