Statement Of Financial Position [Abstract]
| Concept |
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 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||||||||||
| Investments accounted for using equity method |
1,059,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
1,249,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets |
958,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
933,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
4,183,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
3,919,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
7,592,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Assets |
18,739,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
23,642,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||||||||
| Issued capital |
3,046,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
3,046,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings |
5,592,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
6,467,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Share premium |
73,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
73,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other equity interest |
273,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
1,916,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
8,438,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
7,670,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests |
60,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
67,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
8,499,000,000
EUR
|
6,618,000,000
EUR
|
79,000,000
EUR
|
60,000,000
EUR
|
73,000,000
EUR
|
3,046,000,000
EUR
|
1,026,000,000
EUR
|
8,438,000,000
EUR
|
337,000,000
EUR
|
14,000,000
EUR
|
7,737,000,000
EUR
|
93,000,000
EUR
|
9,499,000,000
EUR
|
172,000,000
EUR
|
73,000,000
EUR
|
67,000,000
EUR
|
3,046,000,000
EUR
|
3,031,000,000
EUR
|
7,670,000,000
EUR
|
2,182,000,000
EUR
|
13,665,000,000
EUR
|
1,138,000,000
EUR
|
12,830,000,000
EUR
|
54,000,000
EUR
|
34,000,000
EUR
|
12,131,000,000
EUR
|
73,000,000
EUR
|
1,534,000,000
EUR
|
2,768,000,000
EUR
|
3,046,000,000
EUR
|
| Liabilities [abstract] | ||||||||||||||||||||||||||||||
| Deferred tax liabilities |
428,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
152,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities |
10,240,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
15,905,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
18,739,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
23,642,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |