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Vulnerability due to certain concentrations (Details) | Feb. 05, 2013
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Vulnerability due to certain concentrations (Textual) [Abstract] |
Approval date on the merger agreement by the Cymer Stockholders | Feb. 05, 2013

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- Definition Merger agreement approval date. + References No definition available. + Details
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Namespace Prefix: | asml_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | instant

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- Details
Name: | asml_VulnerabilityDueToCertainConcentrationsTextualAbstract
Namespace Prefix: | asml_
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