XML 109 R84.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Employee benefits (Details) (EUR €) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Bonus plan expenses |  |  |
Bonus expenses | € 16,474 | € 15,557 | € 12,489

X
- Definition Bonus plan expenses. + References No definition available. + Details
Name: | asml_BonusPlanExpenses
Namespace Prefix: | asml_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | asml_BonusPlanExpensesAbstract
Namespace Prefix: | asml_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration