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 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||
| Non-current assets [abstract] | |||||||||||||||||||||
| Property, plant and equipment |
399,000,000
EUR
|
— | — | — | — | — | — | — |
414,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Investment property |
2,754,000,000
EUR
|
— | — | — | — | — | — | — |
2,719,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method |
6,556,000,000
EUR
|
— | — | — | — | — | — | — |
6, 919
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets |
904,000,000
EUR
|
— | — | — | — | — | — | — |
47,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||||||||
| Cash and cash equivalents |
6,67 0
EUR
|
— | — | — | — | — | — | — |
6,9 29
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Assets |
217,110,000,000
EUR
|
— | — | — | — | — | — | — |
251,585,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||
| Equity attributable to owners of parent |
16,005,000,000
EUR
|
— | — | — | — | — | — | — |
32,888,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests |
63,000,000
EUR
|
— | — | — | — | — | — | — |
266,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
17,832,000,000
EUR
|
1,764,000,000
EUR
|
3,392,000,000
EUR
|
63,000,000
EUR
|
12,578,000,000
EUR
|
35,000,000
EUR
|
16,005,000,000
EUR
|
20,275,000,000
EUR
|
34,918,000,000
EUR
|
1,764,000,000
EUR
|
32,888,000,000
EUR
|
12,575,000,000
EUR
|
266,000,000
EUR
|
38,000,000
EUR
|
27 7
EUR
|
36,731,000,000
EUR
|
39,000,000
EUR
|
1,764,000,000
EUR
|
24,118,000,000
EUR
|
12,57 4
EUR
|
38,772,000,000
EUR
|
| Liabilities [abstract] | |||||||||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||||||||
| Deferred tax liabilities |
423,000,000
EUR
|
— | — | — | — | — | — | — |
4,817,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||||||||
| Liabilities included in disposal groups classified as held for sale | — | — | — | — | — | — | — | — |
3,464,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities |
199,278,000,000
EUR
|
— | — | — | — | — | — | — |
216,667,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
217,110,000,000
EUR
|
— | — | — | — | — | — | — |
251,585,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |