v3.25.2
EVENTS AFTER THE REPORTING PERIOD (Details) - EUR (€)
€ in Millions
Jul. 11, 2025
Jun. 27, 2025
Spanish Tax Authorities    
Disclosure of non-adjusting events after reporting period [line items]    
Value added tax receivables   € 250
Tax Authorities of Bizkaia    
Disclosure of non-adjusting events after reporting period [line items]    
Value added tax payables   280
Value added tax payables, net   € 30
Changes in tax rates or tax laws enacted or announced | Maximum | Forecast    
Disclosure of non-adjusting events after reporting period [line items]    
Increase (decrease) in deferred tax liability (asset) € (70)