v3.25.4
Notes to the consolidated statements of income - Net operating loss carryforwards (Details)
€ in Thousands, $ in Thousands
 12 Months Ended
Dec. 31, 2025
EUR (€)
Dec. 31, 2024
EUR (€)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Income Tax Disclosure        
Net operating loss carryforwards € 912,027 € 957,431    
Unused tax losses for which no deferred tax asset recognized 689,694 731,303    
Unutilized notional interest deductions for which no deferred tax asset is recognised 407,667 311,867 $ 479,008 $ 323,999
Deferred tax liabilities of foreign subsidiaries 10,523 8,643    
Undistributed earnings of foreign subsidiaries for which no deferred tax recognized € 8,967,622 9,558,889    
Percentage of dividends and capital gain tax free 95.00%      
Current tax expense (income), related to Pillar Two income taxes € 7,630 5,702    
Less than 1 year        
Income Tax Disclosure        
Net operating loss carryforwards 31,501 13,993    
Later Than One Year And Not Later Than Two Years        
Income Tax Disclosure        
Net operating loss carryforwards 48,245 32,500    
Later Than Two Years And Not Later Than Three Years        
Income Tax Disclosure        
Net operating loss carryforwards 31,521 49,674    
Later Than Three Years And Not Later Than Four Years        
Income Tax Disclosure        
Net operating loss carryforwards 84,242 34,646    
Later Than Four Years And Not Later Than Five Years        
Income Tax Disclosure        
Net operating loss carryforwards 26,498 89,237    
Later Than Five Years And Not Later Than Six Years        
Income Tax Disclosure        
Net operating loss carryforwards 1,960 23,492    
Later Than Six Years And Not Later Than Seven Years        
Income Tax Disclosure        
Net operating loss carryforwards 6,738 12,357    
Later Than Seven Years And Not Later Than Eight Years        
Income Tax Disclosure        
Net operating loss carryforwards 2,796 5,175    
Later Than Eight Years And Not Later Than Nine Years        
Income Tax Disclosure        
Net operating loss carryforwards 801 2,127    
Later than nine years        
Income Tax Disclosure        
Net operating loss carryforwards 235,354 202,457    
Without expiration date        
Income Tax Disclosure        
Net operating loss carryforwards € 442,371 € 491,773