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 |
2,411,000
EUR
|
2,227,000
EUR
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets and goodwill |
1,480,000
EUR
|
1,416,000
EUR
|
— |
| Investment property [abstract] | |||
| Investment property |
2,975,000
EUR
|
3,030,000
EUR
|
— |
| Investments accounted for using equity method [abstract] | |||
| Investments accounted for using equity method |
4,459,000
EUR
|
4,680,000
EUR
|
— |
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
1,875,000
EUR
|
1,176,000
EUR
|
2,142,000
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 | — |
4,212,000
EUR
|
— |
| Borrowings [abstract] | |||
| Borrowings |
1,667,000
EUR
|
1,592,000
EUR
|
— |
| Borrowings, by type [abstract] | |||
| Categories of financial liabilities [abstract] | |||
| Financial liabilities |
2,560,000
EUR
|
2,135,000
EUR
|
— |
| Miscellaneous liabilities [abstract] | |||
| Subordinated liabilities [abstract] | |||
| Subordinated liabilities |
2,520,000
EUR
|
2,517,000
EUR
|
— |
| Investment contracts liabilities |
14,112,000
EUR
|
13,378,000
EUR
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
96,693,000
EUR
|
97,292,000
EUR
|
— |
| Liabilities |
88,194,000
EUR
|
89,356,000
EUR
|
— |
| Assets less current liabilities [abstract] |