Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2023-12-31 |
As at 2022-12-31 |
As at 2021-12-31 |
|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||
| Property, plant and equipment [abstract] | |||
| Property, plant and equipment |
2,482,000
EUR
|
2 ,737
EUR
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets other than goodwill [abstract] | |||
| Intangible assets other than goodwill |
7,657,000
EUR
|
6,729,000
EUR
|
— |
| Investment property [abstract] | |||
| Investment property completed |
4,929 ,819
EUR
|
4,469,572,000
EUR
|
— |
| Investment property under construction or development |
105,951,000
EUR
|
54,217,000
EUR
|
— |
| Miscellaneous non-current assets [abstract] | |||
| Other non-current assets |
8,977,000
EUR
|
11,326,000
EUR
|
— |
| Trade and other receivables [abstract] | |||
| Trade and other receivables |
19 ,730
EUR
|
18,671,000
EUR
|
— |
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
258,118,000
EUR
|
87,345,000
EUR
|
219,170,000
EUR
|
| Non-current assets or disposal groups classified as held for sale or as held for distribution to owners [abstract] | |||
| Non-current assets or disposal groups classified as held for sale or as held for distribution to owners |
530,000
EUR
|
-
EUR
|
— |
| Miscellaneous current assets [abstract] | |||
| Other current assets |
19,722,000
EUR
|
8,262,000
EUR
|
— |
| Trade and other payables [abstract] | |||
| Trade and other payables |
118,174,000
EUR
|
1 06,531
EUR
|
— |
| Miscellaneous non-current liabilities [abstract] | |||
| Non-current debt instruments issued |
698,441,000
EUR
|
797,980,000
EUR
|
— |
| Miscellaneous current liabilities [abstract] | |||
| Current debt instruments issued |
99,950,000
EUR
|
-
EUR
|
— |
| Issued capital [abstract] | |||
| Issued capital |
69,449,000
EUR
|
63,610,000
EUR
|
— |
| Retained earnings [abstract] | |||
| Retained earnings |
2,343,342,000
EUR
|
2,24 0,879
EUR
|
— |
| Accumulated other comprehensive income [abstract] | |||
| Reserve of gains and losses on hedging instruments that hedge investments in equity instruments |
4,900,000
EUR
|
— | — |
| Accumulated other comprehensive income |
116,147,000
EUR
|
138,422,000
EUR
|
— |
| Miscellaneous equity [abstract] | |||
| Reserve of share-based payments |
12,798,000
EUR
|
8,562,000
EUR
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
5,353,877,000
EUR
|
4,659,831,000
EUR
|
— |
| Liabilities |
1,731,755,000
EUR
|
1,792,023,000
EUR
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
298,100,000
EUR
|
114,278,000
EUR
|
— |
| Current liabilities |
228,089,000
EUR
|
1 17,284
EUR
|
— |
| Assets less current liabilities [abstract] |