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] | ||||||||||||||||||||||||||||||
| Non-current assets [abstract] | ||||||||||||||||||||||||||||||
| Property, plant and equipment |
24,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
16,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Investment property |
3 858,2
EUR
|
— | — | — | — | — | — | — | — | — |
4 040,1
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Goodwill |
1,114,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
1,154,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill |
107,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
110,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method |
724,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
1,035,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets |
165,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
164,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current assets |
4 126,1
EUR
|
— | — | — | — | — | — | — | — | — |
4 324,9
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | ||||||||||||||||||||||||||||||
| Trade and other current receivables |
563,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
594,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current tax assets, current |
6,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
44,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
252,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
692,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets |
823,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
1,359,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets |
4 208,4
EUR
|
— | — | — | — | — | — | — | — | — |
4 460,7
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||||||||
| Issued capital |
2,596,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
2,596,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings |
6,341,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
7,543,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Share premium |
1,311,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
1,311,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
1 380,1
EUR
|
— | — | — | — | — | — | — | — | — |
1 618,8
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests |
0
EUR
|
— | — | — | — | — | — | — | — | — |
0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
1 987,5
EUR
|
6,341,000,000
EUR
|
0
EUR
|
1,311,000,000
EUR
|
2,596,000,000
EUR
|
5,968,000,000
EUR
|
2,400,000,000
EUR
|
6,073,000,000
EUR
|
1 380,1
EUR
|
14,000,000
EUR
|
2 310,3
EUR
|
6,602,000,000
EUR
|
6,915,000,000
EUR
|
1,311,000,000
EUR
|
0
EUR
|
7,543,000,000
EUR
|
2,596,000,000
EUR
|
1,883,000,000
EUR
|
1 618,8
EUR
|
19,000,000
EUR
|
7,786,000,000
EUR
|
7,442,000,000
EUR
|
6,891,000,000
EUR
|
2 489,5
EUR
|
14,000,000
EUR
|
1 800,1
EUR
|
3,000,000
EUR
|
1,311,000,000
EUR
|
1,148,000,000
EUR
|
2,596,000,000
EUR
|
| Liabilities [abstract] | ||||||||||||||||||||||||||||||
| Non-current liabilities [abstract] | ||||||||||||||||||||||||||||||
| Deferred tax liabilities |
2,478,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
2,663,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities |
1 773,4
EUR
|
— | — | — | — | — | — | — | — | — |
1 942,8
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | ||||||||||||||||||||||||||||||
| Trade and other current payables |
783,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
728,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current tax liabilities, current |
24,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
28,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities |
4,475,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
2,076,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities |
2 220,9
EUR
|
— | — | — | — | — | — | — | — | — |
2 150,5
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
4 208,4
EUR
|
— | — | — | — | — | — | — | — | — |
4 460,7
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |