v2.4.1.9
DERIVATIVES, Disclosures and derivative instrument aggregated notional amounts by currency and designations (Details) (USD $)
In Millions, unless otherwise specified
Jan. 31, 2015
Forward Contracts Buy/(Sell) [Member] | Derivatives Not Designated as Hedging Instruments [Member]  
Derivative [Line Items]  
Total notional amount $ 114invest_DerivativeNotionalAmount
/ us-gaap_DerivativeByNatureAxis
= us-gaap_ForwardContractsMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember
Derivatives Designated as Hedging Instruments [Member] | Forward Contracts Buy/(Sell) [Member]  
Derivative [Line Items]  
Total notional amount (7)invest_DerivativeNotionalAmount
/ us-gaap_DerivativeByNatureAxis
= us-gaap_ForwardContractsMember
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
Derivatives Designated as Hedging Instruments [Member] | Option Contracts Buy/(Sell) [Member]  
Derivative [Line Items]  
Total notional amount (5)invest_DerivativeNotionalAmount
/ us-gaap_DerivativeByNatureAxis
= us-gaap_OptionMember
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
Sell [Member] | Euro [Member] | Derivatives Designated as Hedging Instruments [Member] | Forward Contracts Buy/(Sell) [Member]  
Derivative [Line Items]  
Total notional amount 0invest_DerivativeNotionalAmount
/ us-gaap_CurrencyAxis
= currency_EUR
/ us-gaap_DerivativeByNatureAxis
= us-gaap_ForwardContractsMember
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_PositionAxis
= us-gaap_ShortMember
Sell [Member] | British Pound [Member] | Derivatives Designated as Hedging Instruments [Member] | Forward Contracts Buy/(Sell) [Member]  
Derivative [Line Items]  
Total notional amount 0invest_DerivativeNotionalAmount
/ us-gaap_CurrencyAxis
= currency_GBP
/ us-gaap_DerivativeByNatureAxis
= us-gaap_ForwardContractsMember
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_PositionAxis
= us-gaap_ShortMember
Sell [Member] | Singapore, Dollars | Derivatives Designated as Hedging Instruments [Member] | Forward Contracts Buy/(Sell) [Member]  
Derivative [Line Items]  
Total notional amount 12invest_DerivativeNotionalAmount
/ us-gaap_CurrencyAxis
= currency_SGD
/ us-gaap_DerivativeByNatureAxis
= us-gaap_ForwardContractsMember
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_PositionAxis
= us-gaap_ShortMember
Sell [Member] | Japanese Yen [Member] | Forward Contracts Buy/(Sell) [Member] | Derivatives Not Designated as Hedging Instruments [Member]  
Derivative [Line Items]  
Total notional amount (31)invest_DerivativeNotionalAmount
/ us-gaap_CurrencyAxis
= currency_JPY
/ us-gaap_DerivativeByNatureAxis
= us-gaap_ForwardContractsMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember
/ us-gaap_PositionAxis
= us-gaap_ShortMember
Sell [Member] | Japanese Yen [Member] | Derivatives Designated as Hedging Instruments [Member] | Forward Contracts Buy/(Sell) [Member]  
Derivative [Line Items]  
Total notional amount (94)invest_DerivativeNotionalAmount
/ us-gaap_CurrencyAxis
= currency_JPY
/ us-gaap_DerivativeByNatureAxis
= us-gaap_ForwardContractsMember
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_PositionAxis
= us-gaap_ShortMember
Sell [Member] | Japanese Yen [Member] | Derivatives Designated as Hedging Instruments [Member] | Option Contracts Buy/(Sell) [Member]  
Derivative [Line Items]  
Total notional amount (5)invest_DerivativeNotionalAmount
/ us-gaap_CurrencyAxis
= currency_JPY
/ us-gaap_DerivativeByNatureAxis
= us-gaap_OptionMember
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_PositionAxis
= us-gaap_ShortMember
Sell [Member] | Other [Member] | Forward Contracts Buy/(Sell) [Member] | Derivatives Not Designated as Hedging Instruments [Member]  
Derivative [Line Items]  
Total notional amount 9invest_DerivativeNotionalAmount
/ us-gaap_CurrencyAxis
= keys_OtherCurrencyMember
/ us-gaap_DerivativeByNatureAxis
= us-gaap_ForwardContractsMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember
/ us-gaap_PositionAxis
= us-gaap_ShortMember
Sell [Member] | Other [Member] | Derivatives Designated as Hedging Instruments [Member] | Forward Contracts Buy/(Sell) [Member]  
Derivative [Line Items]  
Total notional amount (9)invest_DerivativeNotionalAmount
/ us-gaap_CurrencyAxis
= keys_OtherCurrencyMember
/ us-gaap_DerivativeByNatureAxis
= us-gaap_ForwardContractsMember
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_PositionAxis
= us-gaap_ShortMember
Buy [Member] | Euro [Member] | Forward Contracts Buy/(Sell) [Member] | Derivatives Not Designated as Hedging Instruments [Member]  
Derivative [Line Items]  
Total notional amount 65invest_DerivativeNotionalAmount
/ us-gaap_CurrencyAxis
= currency_EUR
/ us-gaap_DerivativeByNatureAxis
= us-gaap_ForwardContractsMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember
/ us-gaap_PositionAxis
= us-gaap_LongMember
Buy [Member] | British Pound [Member] | Forward Contracts Buy/(Sell) [Member] | Derivatives Not Designated as Hedging Instruments [Member]  
Derivative [Line Items]  
Total notional amount 45invest_DerivativeNotionalAmount
/ us-gaap_CurrencyAxis
= currency_GBP
/ us-gaap_DerivativeByNatureAxis
= us-gaap_ForwardContractsMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember
/ us-gaap_PositionAxis
= us-gaap_LongMember
Buy [Member] | Singapore, Dollars | Forward Contracts Buy/(Sell) [Member] | Derivatives Not Designated as Hedging Instruments [Member]  
Derivative [Line Items]  
Total notional amount 13invest_DerivativeNotionalAmount
/ us-gaap_CurrencyAxis
= currency_SGD
/ us-gaap_DerivativeByNatureAxis
= us-gaap_ForwardContractsMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember
/ us-gaap_PositionAxis
= us-gaap_LongMember
Buy [Member] | Malaysian Ringgit [Member] | Forward Contracts Buy/(Sell) [Member] | Derivatives Not Designated as Hedging Instruments [Member]  
Derivative [Line Items]  
Total notional amount 13invest_DerivativeNotionalAmount
/ us-gaap_CurrencyAxis
= currency_MYR
/ us-gaap_DerivativeByNatureAxis
= us-gaap_ForwardContractsMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember
/ us-gaap_PositionAxis
= us-gaap_LongMember
Buy [Member] | Malaysian Ringgit [Member] | Derivatives Designated as Hedging Instruments [Member] | Forward Contracts Buy/(Sell) [Member]  
Derivative [Line Items]  
Total notional amount $ 84invest_DerivativeNotionalAmount
/ us-gaap_CurrencyAxis
= currency_MYR
/ us-gaap_DerivativeByNatureAxis
= us-gaap_ForwardContractsMember
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_PositionAxis
= us-gaap_LongMember