Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2024-12-31 |
As at 2023-12-31 |
As at 2022-12-31 |
|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||
| Property, plant and equipment [abstract] | |||
| Property, plant and equipment |
248,400,000
EUR
|
233,800,000
EUR
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets and goodwill |
179 .6
EUR
|
176,500,000
EUR
|
— |
| Investment property [abstract] | |||
| Investment property completed |
14,655,300,000
EUR
|
12,039 .2
EUR
|
— |
| Investment property under construction or development |
1,07 6.8
EUR
|
1,359 .6
EUR
|
— |
| Trade and other non-current receivables [abstract] | |||
| Non-current receivables due from related parties |
-
EUR
|
600,000
EUR
|
— |
| Trade and other non-current receivables |
21,000,000
EUR
|
2 4 .1
EUR
|
— |
| Miscellaneous non-current assets [abstract] | |||
| Non-current derivative financial assets |
19 .3
EUR
|
10,600,000
EUR
|
— |
| Trade and other current receivables [abstract] | |||
| Current receivables due from related parties |
300,000
EUR
|
0 .9
EUR
|
— |
| Trade and other current receivables |
2 6 9 .1
EUR
|
266,600,000
EUR
|
— |
| Current prepayments and current accrued income including current contract assets [abstract] | |||
| Current accrued income including current contract assets [abstract] | |||
| Current contract assets |
8 .1
EUR
|
8,500,000
EUR
|
— |
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
855,400,000
EUR
|
690,600,000
EUR
|
660,600,000
EUR
|
| Miscellaneous current assets [abstract] | |||
| Current derivative financial assets |
11,400,000
EUR
|
38. 1
EUR
|
— |
| Non-current portion of non-current borrowings, by type [abstract] | |||
| Non-current portion of non-current loans received |
3, 947 .7
EUR
|
3,328,200,000
EUR
|
— |
| Non-current portion of non-current bonds issued |
3,536,300,000
EUR
|
3,571,300,000
EUR
|
— |
| Current borrowings and current portion of non-current borrowings, by type [abstract] | |||
| Current loans received and current portion of non-current loans received |
108,700,000
EUR
|
50,000,000
EUR
|
— |
| Current bonds issued and current portion of non-current bonds issued |
506,800,000
EUR
|
18,700,000
EUR
|
— |
| Trade and other non-current payables [abstract] | |||
| Trade and other non-current payables |
150,300,000
EUR
|
147 .5
EUR
|
— |
| Trade and other current payables [abstract] | |||
| Current payables to related parties |
-
EUR
|
300,000
EUR
|
— |
| Trade and other current payables |
323,700,000
EUR
|
366. 9
EUR
|
— |
| Miscellaneous non-current liabilities [abstract] | |||
| Non-current derivative financial liabilities |
36,000,000
EUR
|
10,600,000
EUR
|
— |
| Miscellaneous current liabilities [abstract] | |||
| Current derivative financial liabilities |
24,200,000
EUR
|
17 .0
EUR
|
— |
| Issued capital [abstract] | |||
| Issued capital |
75,700,000
EUR
|
71,700,000
EUR
|
— |
| Retained earnings [abstract] | |||
| Retained earnings |
4, 105.2
EUR
|
3,026. 1
EUR
|
— |
| Accumulated other comprehensive income [abstract] | |||
| Revaluation surplus |
2 4 .9
EUR
|
29,000,000
EUR
|
— |
| Reserve of exchange differences on translation |
3. 1
EUR
|
2 .1
EUR
|
— |
| Reserve of cash flow hedges |
31,700,000
EUR
|
0 .1
EUR
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
17 ,381.2
EUR
|
14,873,200,000
EUR
|
— |
| Liabilities |
10,030,000,000
EUR
|
8, 706.3
EUR
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
1, 151.7
EUR
|
1,014. 1
EUR
|
— |
| Current liabilities |
1,010,800,000
EUR
|
481,300,000
EUR
|
— |
| Assets less current liabilities [abstract] |