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 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 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 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 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 |
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 |
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 | — | — | — | — | — | — | — | — | — | — | — |
811,000,000
EUR
|
— |
800,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Investment property | — | — | — | — | — | — | — | — | — | — | — |
771,000,000
EUR
|
— |
793,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Reinsurance contracts held that are assets | — | — | — | — | — | — | — | — | — | — | — |
1,453,000,000
EUR
|
— |
1,414,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current tax assets | — | — | — | — | — | — | — | — | — | — | — |
37,000,000
EUR
|
— |
3,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — | — | — | — | — | — | — | — | — |
546,000,000
EUR
|
— |
808,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — | — | — | — | — | — | — | — |
34,174,000,000
EUR
|
— |
33,641,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
39,842,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Assets | — | — | — | — | — | — | — | — | — | — | — |
161,813,000,000
EUR
|
— |
155,708,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||||||||||||||||||||
| Issued capital | — | — | — | — | — | — | — | — | — | — | — |
1,003,000,000
EUR
|
— |
1,057,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings | — | — | — | — | — | — | — | — | — | — | — |
10,473,000,000
EUR
|
— |
10,285,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Share premium | — | — | — | — | — | — | — | — | — | — | — |
456,000,000
EUR
|
— |
456,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Treasury shares | — | — | — | — | — | — | — | — | — | — | — |
7,000,000
EUR
|
— |
7,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other equity interest | — | — | — | — | — | — | — | — | — | — | — |
1,059,000,000
EUR
|
— |
966,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other reserves | — | — | — | — | — | — | — | — | — | — | — |
22,000,000
EUR
|
— |
199,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — | — | — | — | — | — | — | — | — | — |
13,006,000,000
EUR
|
— |
12,558,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — | — | — | — | — | — | — | — | — | — |
3,000,000
EUR
|
— |
3,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
10,473,000,000
EUR
|
456,000,000
EUR
|
1,003,000,000
EUR
|
3,000,000
EUR
|
632,000,000
EUR
|
7,000,000
EUR
|
32,000,000
EUR
|
41,000,000
EUR
|
686,000,000
EUR
|
1,059,000,000
EUR
|
23,000,000
EUR
|
13,009,000,000
EUR
|
11,947,000,000
EUR
|
12,561,000,000
EUR
|
10,285,000,000
EUR
|
30,000,000
EUR
|
3,000,000
EUR
|
456,000,000
EUR
|
1,057,000,000
EUR
|
757,000,000
EUR
|
7,000,000
EUR
|
22,000,000
EUR
|
43,000,000
EUR
|
966,000,000
EUR
|
593,000,000
EUR
|
11,592,000,000
EUR
|
11,522,000,000
EUR
|
50,000,000
EUR
|
67,000,000
EUR
|
456,000,000
EUR
|
9,230,000,000
EUR
|
10,000,000
EUR
|
1,070,000,000
EUR
|
786,000,000
EUR
|
17,000,000
EUR
|
966,000,000
EUR
|
31,000,000
EUR
|
527,000,000
EUR
|
10,489,000,000
EUR
|
| Liabilities [abstract] | |||||||||||||||||||||||||||||||||||||||
| Provisions [abstract] | |||||||||||||||||||||||||||||||||||||||
| Provisions | — | — | — | — | — | — | — | — | — | — | — |
235,000,000
EUR
|
— |
58,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current tax liabilities | — | — | — | — | — | — | — | — | — | — | — |
29,000,000
EUR
|
— |
23,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax liabilities | — | — | — | — | — | — | — | — | — | — | — |
58,000,000
EUR
|
— |
61,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities | — | — | — | — | — | — | — | — | — | — | — |
148,804,000,000
EUR
|
— |
143,147,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — | — | — | — | — | — | — | — | — |
161,813,000,000
EUR
|
— |
155,708,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |