v3.25.4
Leases - Leases in the consolidated balance sheets (Details) - EUR (€)
€ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Leases in the consolidated balance sheets      
Balance at the beginning of the period € 3,612,456    
Additions - depreciation (647,620) € (675,526) € (700,671)
Impairment loss (15,443) (57,226) (25,486)
Balance at the end of the period 3,013,502 3,612,456  
Land      
Leases in the consolidated balance sheets      
Balance at the beginning of the period 22,094    
Balance at the end of the period 19,992 22,094  
Buildings and improvements      
Leases in the consolidated balance sheets      
Balance at the beginning of the period 3,518,542    
Balance at the end of the period 2,925,133 3,518,542  
Machinery and equipment      
Leases in the consolidated balance sheets      
Balance at the beginning of the period 71,820    
Balance at the end of the period 68,377 71,820  
Gross carrying amount      
Leases in the consolidated balance sheets      
Balance at the beginning of the period 7,343,364 6,922,547  
Foreign currency translation (722,592) 333,512  
Changes in consolidation group (5,868) (46,191)  
Additions 506,893 621,885  
Reclassifications (305) (59,210)  
Disposals (316,046) (429,179)  
Balance at the end of the period 6,805,446 7,343,364 6,922,547
Gross carrying amount | Land      
Leases in the consolidated balance sheets      
Balance at the beginning of the period 41,202 41,202  
Foreign currency translation (1,281) 427  
Changes in consolidation group   (82)  
Additions 3,443 4,282  
Reclassifications (17) (1,329)  
Disposals (2,934) (3,298)  
Balance at the end of the period 40,413 41,202 41,202
Gross carrying amount | Buildings and improvements      
Leases in the consolidated balance sheets      
Balance at the beginning of the period 7,108,897 6,557,178  
Foreign currency translation (704,079) 323,334  
Changes in consolidation group (5,868) (46,109)  
Additions 470,089 556,872  
Reclassifications 920 (57,944)  
Disposals (282,677) (224,434)  
Disposals of fully depreciated or impaired right-of-use assets from prior periods   (34,878)  
Balance at the end of the period 6,587,282 7,108,897 6,557,178
Gross carrying amount | Machinery and equipment      
Leases in the consolidated balance sheets      
Balance at the beginning of the period 193,265 324,167  
Foreign currency translation (17,232) 9,751  
Additions 33,361 60,731  
Reclassifications (1,208) 63  
Disposals (30,435) (201,447)  
Disposals of fully depreciated or impaired right-of-use assets from prior periods   (129,377)  
Balance at the end of the period 177,751 193,265 324,167
Accumulated depreciation / amortization / impairment      
Leases in the consolidated balance sheets      
Balance at the beginning of the period (3,730,908) (3,251,306)  
Foreign currency translation 383,886 (166,369)  
Changes in consolidation group 3,979 23,200  
Additions - depreciation (647,620) (675,526)  
Impairment loss (15,443) (57,226)  
Reclassifications 250 43,390  
Disposals 213,912 352,929  
Balance at the end of the period (3,791,944) (3,730,908) (3,251,306)
Accumulated depreciation / amortization / impairment | Land      
Leases in the consolidated balance sheets      
Balance at the beginning of the period (19,108) (17,743)  
Foreign currency translation 764 (179)  
Changes in consolidation group   25  
Additions - depreciation (3,766) (3,923)  
Impairment loss (2) (12)  
Reclassifications 17 930  
Disposals 1,674 1,794  
Balance at the end of the period (20,421) (19,108) (17,743)
Accumulated depreciation / amortization / impairment | Buildings and improvements      
Leases in the consolidated balance sheets      
Balance at the beginning of the period (3,590,355) (2,997,179)  
Foreign currency translation 372,103 (159,501)  
Changes in consolidation group 3,979 23,175  
Additions - depreciation (614,884) (642,415)  
Impairment loss (15,483) (56,894)  
Reclassifications (913) 42,315  
Disposals 183,404 200,144  
Disposals of fully depreciated or impaired right-of-use assets from prior periods   34,878  
Balance at the end of the period (3,662,149) (3,590,355) (2,997,179)
Accumulated depreciation / amortization / impairment | Machinery and equipment      
Leases in the consolidated balance sheets      
Balance at the beginning of the period (121,445) (236,384)  
Foreign currency translation 11,019 (6,689)  
Additions - depreciation (28,970) (29,188)  
Impairment loss 42 (320)  
Reclassifications 1,146 145  
Disposals 28,834 150,991  
Disposals of fully depreciated or impaired right-of-use assets from prior periods   129,377  
Balance at the end of the period € (109,374) € (121,445) € (236,384)