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Income taxes - Reconciliation Between (Provision for) Benefit from Income Taxes (Detail) - EUR (€)
€ in Millions
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Effective Income Tax Rate Reconciliation, Amount [Abstract]      
Income before income taxes € 9,083.5 € 6,456.1 € 6,705.5
Income tax expense based on ASML’s domestic rate (2,343.5) (1,665.7) (1,676.4)
Effects of tax rates in foreign jurisdictions 14.7 13.0 (4.6)
Adjustments in respect of tax-exempt income 1.4 0.0 0.0
Adjustments in respect of tax incentives 941.9 741.2 727.3
Adjustments in respect of prior years’ current taxes 113.1 (55.8) (21.3)
Adjustments in respect of prior years’ deferred taxes (85.2) 79.2 (2.4)
Movements in the liability for unrecognized tax benefits (55.0) (9.9) (21.6)
Tax effects in respect of acquisition/restructuring related items 0.0 0.0 35.9
Change in valuation allowance 3.0 (41.2) (37.2)
Equity method investments (42.6) (38.3) (46.7)
Effect of change in tax rates 13.5 (1.1) 1.5
Other (credits) and non-tax deductible items 2.9 8.7 24.1
Total income tax (expense) / benefit € (1,435.8) € (969.9) € (1,021.4)
Effective Income Tax Rate Reconciliation, Percent [Abstract]      
Income before income taxes (in percentage) 100.00% 100.00% 100.00%
Income tax provision based on ASML's domestic rate (in percentage) 25.80% 25.80% 25.00%
Effects of tax rates in foreign jurisdictions (in percentage) (0.20%) (0.20%) 0.10%
Adjustments in respect of tax exempt income (in percentage) 0.00% 0.00% 0.00%
Adjustments in respect of tax incentives (in percentage) (10.40%) (11.50%) (10.80%)
Adjustments in respect of prior years' current taxes (in percentage) (1.20%) 0.90% 0.30%
Adjustments in respect of prior years' deferred taxes (in percentage) 0.90% (1.20%) 0.00%
Movements in the liability for unrecognized tax benefits (in percentage) 0.60% 0.20% 0.30%
Tax effects in respect of acquisition related items (in percentage) 0.00% 0.00% (0.50%)
Change in valuation allowance (in percentage) 0.00% 0.60% 0.60%
Equity method investments (in percentage) 0.50% 0.60% 0.70%
Effect of change in tax rate (in percentage) (0.10%) 0.00% 0.00%
Other credits and non tax deductible items (in percentage) 0.00% (0.10%) (0.40%)
Provision for income taxes (in percentage) 15.80% 15.00% 15.20%