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Financing Arrangements and Derivative Financial Instruments Schedule of Fair Values for Foreign Currency Contracts Designated as Hedging Instruments (Details) (USD $)
In Millions, unless otherwise specified
Mar. 31, 2015
Dec. 31, 2014
Accounts Receivable    
Derivative Instruments and Hedging Activities Disclosures    
Fair Value - Accounts Receivable $ 16us-gaap_ForeignCurrencyCashFlowHedgeAssetAtFairValue
/ us-gaap_BalanceSheetLocationAxis
= us-gaap_AccountsReceivableMember		 $ 10us-gaap_ForeignCurrencyCashFlowHedgeAssetAtFairValue
/ us-gaap_BalanceSheetLocationAxis
= us-gaap_AccountsReceivableMember
Designated as Hedging Instrument    
Derivative Instruments and Hedging Activities Disclosures    
Notional Amount - Foreign currency contracts designated as hedging instruments $ 178invest_DerivativeNotionalAmount
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember		 $ 157invest_DerivativeNotionalAmount
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember