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 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 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||||||||
| Property, plant and equipment | — | — |
1,732,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
1,827,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Investment property | — | — |
3,117,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
2,889,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method | — | — |
5,328,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
4,929,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Non-current assets or disposal groups classified as held for sale or as held for distribution to owners | — | — |
19,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
114,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Current tax assets | — | — |
53,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
49,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — |
100,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
98,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — |
1,937,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
2,241,000,000
EUR
|
— | — | — | — | — |
3,745,000,000
EUR
|
— | — | — |
| Assets | — | — |
111,139,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
111,418,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||||||||
| Equity attributable to owners of parent | — | — |
11,914,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
11,555,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — |
2,258,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
2,219,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Equity |
3,847,000,000
EUR
|
3,640,000,000
EUR
|
14,172,000,000
EUR
|
845,000,000
EUR
|
11,914,000,000
EUR
|
2,051,000,000
EUR
|
2,258,000,000
EUR
|
29,000,000
EUR
|
1,502,000,000
EUR
|
4,143,000,000
EUR
|
2,219,000,000
EUR
|
11,555,000,000
EUR
|
1,502,000,000
EUR
|
1,141,000,000
EUR
|
260,000,000
EUR
|
2,978,000,000
EUR
|
2,051,000,000
EUR
|
13,774,000,000
EUR
|
3,931,000,000
EUR
|
11,221,000,000
EUR
|
2,260,000,000
EUR
|
2,663,000,000
EUR
|
95,000,000
EUR
|
13,481,000,000
EUR
|
2,051,000,000
EUR
|
979,000,000
EUR
|
1,502,000,000
EUR
|
| Liabilities [abstract] | |||||||||||||||||||||||||||
| Provisions [abstract] | |||||||||||||||||||||||||||
| Provisions | — | — |
182,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
322,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Current tax liabilities | — | — |
16,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
89,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Deferred tax liabilities | — | — |
971,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
1,105,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Liabilities | — | — |
96,967,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
97,644,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — |
111,139,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
111,418,000,000
EUR
|
— | — | — | — | — | — | — | — | — |