Income taxes - Global minimum tax expense (Details) - EUR (€) € in Millions	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Income Tax Disclosure [Line Items]
Current year tax (expense) / benefit	€ (2,008.0)	€ (1,535.6)	€ (1,766.1)
Global Minimum Tax
Income Tax Disclosure [Line Items]
Top-up tax expense based on local QDMTT	0.0	(0.3)
Top-up tax expense based on IIR	0.0	(2.2)
Current year tax (expense) / benefit	€ 0.0	€ (2.5)

Top-Up Tax Expense, Qualifying Domestic Top-Up Tax

No definition available.

Name:	asml_TopUpTaxExpenseQualifyingDomesticTopUpTax
Namespace Prefix:	asml_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration