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Derivative Financial Instruments (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	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

X

- Definition

Cross currency swap.

+ References

No definition available.

+ Details

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Namespace Prefix:	eslt_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- 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

X

- Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
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X

- 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

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