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Derivative Financial Instruments (Narrative) (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2013
Derivative Instruments and Hedging Activities Disclosure [Abstract] |
Net effect of the cross-currency swaps | $ 44,836
Amount offset against exchange rate difference | 33,963
Amount offset against interest expenses | $ 10,873

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- Definition Cross currency swap. + References No definition available. + Details
Name: | eslt_CrossCurrencySwap
Namespace Prefix: | eslt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Exchange rate difference. + References No definition available. + Details
Name: | eslt_ExchangeRateDifference
Namespace Prefix: | eslt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Interest and debt related expenses associated with nonoperating financing activities of the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391 + Details
Name: | us-gaap_InterestAndDebtExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration