Statement Of Financial Position [Abstract]
| Concept |
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 2021-01-01 |
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 |
As at 2020-01-01 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-01-01 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Non-current assets [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Investment property | — | — | — | — |
629,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
603,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — | — |
716,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
562,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Cash and cash equivalents | — | — | — | — |
2 083
EUR
|
— | — | — | — |
1 804
EUR
|
— | — | — | — | — | — | — | — |
1 804
EUR
|
1 435
EUR
|
— | — | — | — | — |
1 435
EUR
|
— | — | — |
1 175
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets | — | — | — | — |
51 518
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
46 217
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Issued capital | — | — | — | — |
1 472
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
1 471
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Treasury shares | — | — | — | — |
196,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
43,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — | — | — |
6 385
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
6 155
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — | — | — |
17,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
22,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
196,000,000
EUR
|
65,000,000
EUR
|
456,000,000
EUR
|
609,000,000
EUR
|
6 402
EUR
|
3 925
EUR
|
17,000,000
EUR
|
54,000,000
EUR
|
1 472
EUR
|
— |
3 511
EUR
|
315,000,000
EUR
|
22,000,000
EUR
|
609,000,000
EUR
|
1 471
EUR
|
234,000,000
EUR
|
43,000,000
EUR
|
58,000,000
EUR
|
6 177
EUR
|
— |
214,000,000
EUR
|
26,000,000
EUR
|
422,000,000
EUR
|
624,000,000
EUR
|
3 614
EUR
|
6 374
EUR
|
55,000,000
EUR
|
54,000,000
EUR
|
1 473
EUR
|
— |
145,000,000
EUR
|
-
EUR
|
45,000,000
EUR
|
1 521
EUR
|
-
EUR
|
3 511
EUR
|
338,000,000
EUR
|
69,000,000
EUR
|
-
EUR
|
5 783
EUR
|
-
EUR
|
28,000,000
EUR
|
338,000,000
EUR
|
-
EUR
|
322,000,000
EUR
|
-
EUR
|
3 556
EUR
|
815,000,000
EUR
|
45,000,000
EUR
|
322,000,000
EUR
|
-
EUR
|
145,000,000
EUR
|
5 828
EUR
|
815,000,000
EUR
|
69,000,000
EUR
|
1 521
EUR
|
28,000,000
EUR
|
| Liabilities [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Deferred tax liabilities | — | — | — | — |
242,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
260,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — | — |
51 518
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
46 217
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |