XML 501 R121.htm IDEA: XBRL DOCUMENT v3.24.0.1
Income taxes - Narrative (Detail) - EUR (€)
€ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Income Tax Disclosure [Line Items]        
Income tax provision based on ASML's domestic rate (in percentage) 25.80% 25.80% 25.00%  
Effective income tax rate reconciliation (in percentage) 15.80% 15.00% 15.20%  
Unrecognized tax benefits, amount, excluding interest and penalties € 193.6 € 160.0 € 144.3 € 138.0
Unrecognized tax benefits that would impact effective tax rate 176.7 139.2    
Balance of accrued interest and penalties 56.1 55.5 61.6  
Accrued interest and penalties 3.4 (5.0) € (9.7)  
Decrease to liability for unrecognized tax benefits € 8.5      
Timing on decrease of liability for unrecognized tax benefits 12 months      
Unrecognized temporary difference € 673.9 € 451.3    
With expiration date        
Income Tax Disclosure [Line Items]        
Carryforward losses 13.4      
With no expiration date        
Income Tax Disclosure [Line Items]        
Carryforward losses 13.8      
No expiration date        
Income Tax Disclosure [Line Items]        
Tax credit carryforward amount 174.7      
With expiration date        
Income Tax Disclosure [Line Items]        
Tax credit carryforward amount € 43.1