Statement Of Financial Position [Abstract]
| Concept |
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 |
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 |
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 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||||||||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||||||||||||||||||||||||||
| Non-current assets [abstract] | |||||||||||||||||||||||||||||||||||||||||||||
| Investment property |
700,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
629,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
629,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Deferred tax assets |
895,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
716,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
738,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||||||||||||||||||||||||||||||||
| Cash and cash equivalents |
1 830
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
2 083
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
2 083
EUR
|
— | — | — | — | — | — | — | — |
1 804
EUR
|
| Assets |
55 331
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
51 518
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
51 576
EUR
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||||||||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||||
| Issued capital |
1 415
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
1 472
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
1 472
EUR
|
— | — | — | — | — | — | — | — | — |
| Treasury shares |
56,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
196,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
196,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
5 099
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
6 385
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
6 412
EUR
|
— | — | — | — | — | — | — | — | — |
| Non-controlling interests |
34,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
17,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
17,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Equity |
5 133
EUR
|
301,000,000
EUR
|
890,000,000
EUR
|
34,000,000
EUR
|
33,000,000
EUR
|
56,000,000
EUR
|
1 415
EUR
|
4 435
EUR
|
463,000,000
EUR
|
196,000,000
EUR
|
54,000,000
EUR
|
-
EUR
|
65,000,000
EUR
|
27,000,000
EUR
|
1 472
EUR
|
57,000,000
EUR
|
-
EUR
|
3 982
EUR
|
456,000,000
EUR
|
609,000,000
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
6 402
EUR
|
35,000,000
EUR
|
30,000,000
EUR
|
456,000,000
EUR
|
3 925
EUR
|
-
EUR
|
17,000,000
EUR
|
54,000,000
EUR
|
1 472
EUR
|
609,000,000
EUR
|
196,000,000
EUR
|
17,000,000
EUR
|
6 429
EUR
|
22,000,000
EUR
|
315,000,000
EUR
|
609,000,000
EUR
|
1 471
EUR
|
43,000,000
EUR
|
3 511
EUR
|
234,000,000
EUR
|
58,000,000
EUR
|
6 177
EUR
|
| Liabilities [abstract] | |||||||||||||||||||||||||||||||||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||||||||||||||||||||||||||||||||
| Deferred tax liabilities |
248,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
242,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
273,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities |
55 331
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
51 518
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
51 576
EUR
|
— | — | — | — | — | — | — | — | — |