Statement Of Financial Position [Abstract]
| Concept |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||
| Assets [abstract] | |||||||||||||||||
| Property, plant and equipment | — | — | — | — |
251,000,000
EUR
|
— | — |
274,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Investment property | — | — | — | — |
1,198,000,000
EUR
|
— | — |
1,257,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Insurance contracts issued that are assets | — | — | — | — |
11,000,000
EUR
|
— | — |
151,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Reinsurance contracts held that are assets | — | — | — | — |
17,000,000
EUR
|
— | — |
15,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — |
8,904,000,000
EUR
|
— | — |
7,384,000,000
EUR
|
— | — | — | — |
7,246,000,000
EUR
|
— | — | — | — |
| Assets | — | — | — | — |
18 052,7
EUR
|
— | — |
16 342,6
EUR
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||
| Equity [abstract] | |||||||||||||||||
| Issued capital | — | — | — | — |
1,000,000
EUR
|
— | — |
1,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Retained earnings | — | — | — | — |
1 161,0
EUR
|
— | — |
1 162,6
EUR
|
— | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — | — | — |
1 601,2
EUR
|
— | — |
1 599,3
EUR
|
— | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — | — | — |
2,000,000
EUR
|
— | — |
3,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Equity |
1 161,0
EUR
|
1 601,4
EUR
|
4,400,000,000
EUR
|
1,000,000
EUR
|
1 601,4
EUR
|
2,000,000
EUR
|
4,367,000,000
EUR
|
1 599,0
EUR
|
1 599,0
EUR
|
1,000,000
EUR
|
3,000,000
EUR
|
1 162,6
EUR
|
1 691,5
EUR
|
5,335,000,000
EUR
|
1 153,1
EUR
|
50,000,000
EUR
|
1,000,000
EUR
|
| Liabilities [abstract] | |||||||||||||||||
| Other financial liabilities | — | — | — | — |
3,206,000,000
EUR
|
— | — |
1,036,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Insurance contracts issued that are liabilities | — | — | — | — |
5 640,7
EUR
|
— | — |
5 518,3
EUR
|
— | — | — | — | — | — | — | — | — |
| Reinsurance contracts held that are liabilities | — | — | — | — |
12,000,000
EUR
|
— | — |
12,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Deferred tax liabilities | — | — | — | — |
1,338,000,000
EUR
|
— | — |
1,408,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Liabilities | — | — | — | — |
16 451,3
EUR
|
— | — |
14 743,6
EUR
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — | — |
18 052,7
EUR
|
— | — |
16 342,6
EUR
|
— | — | — | — | — | — | — | — | — |