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Derivative Instruments (Narrative) (Details) - Cash Flow Hedging - Designated as Hedging Instrument - Foreign exchange forward contracts - USD ($) $ in Millions | 3 Months Ended |
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Mar. 31, 2016 | Mar. 31, 2015
Derivative [Line Items] |  |
Net gains related to derivatives recorded in other comprehensive income (loss) expected to be reclassified into earnings | $ 2 |
Aggregate notional value | $ 112 | $ 59

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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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- Definition The estimated value of gains (losses), net anticipated to be transferred in the future from accumulated other comprehensive income into earnings. + References No definition available. + Details
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- Details
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- Details
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