Statement Of Financial Position [Abstract]
| Concept |
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 2019-01-01 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||||||
| Non-current assets [abstract] | ||||||||||||||||||||||||||
| Investments in subsidiaries, joint ventures and associates reported in separate financial statements | — | — | — | — | — | — | — |
1,002,110,000
EUR
|
— | — | — | — | — | — |
1,106,539,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — | — | — | — | — |
120,751,000
EUR
|
— | — | — | — | — | — |
143,764,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | ||||||||||||||||||||||||||
| Current tax assets, current | — | — | — | — | — | — | — |
86,951,000
EUR
|
— | — | — | — | — | — |
61,272,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — | — | — | — |
33,660,024,000
EUR
|
24,289,265,000
EUR
|
— | — | — | — | — |
24,289,265,000
EUR
|
— | — |
22,557,484,000
EUR
|
— | — | — | — | — | — | — | — |
| Assets | — | — | — | — | — | — | — |
165,958,871,000
EUR
|
— | — | — | — | — | — |
152,199,504,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||||
| Other equity interest | — | — | — | — | — | — | — |
1,632,661,000
EUR
|
— | — | — | — | — | — |
1,136,645,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — | — | — | — | — | — |
11,834,914,000
EUR
|
— | — | — | — | — | — |
11,817,337,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — | — | — | — | — | — |
820,470,000
EUR
|
— | — | — | — | — | — |
811,001,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity |
9,234,414,000
EUR
|
820,470,000
EUR
|
11,834,914,000
EUR
|
1,002,283,000
EUR
|
1,632,661,000
EUR
|
3,393,580,000
EUR
|
4,991,797,000
EUR
|
14,288,045,000
EUR
|
— |
11,817,337,000
EUR
|
811,001,000
EUR
|
1,136,645,000
EUR
|
2,619,915,000
EUR
|
4,991,797,000
EUR
|
13,764,983,000
EUR
|
8,443,172,000
EUR
|
1,002,283,000
EUR
|
— |
2,994,112,000
EUR
|
4,991,797,000
EUR
|
10,587,140,000
EUR
|
700,807,000
EUR
|
12,413,358,000
EUR
|
1,125,411,000
EUR
|
1,002,283,000
EUR
|
7,587,171,000
EUR
|
| Liabilities [abstract] | ||||||||||||||||||||||||||
| Non-current liabilities [abstract] | ||||||||||||||||||||||||||
| Deferred tax liabilities | — | — | — | — | — | — | — |
36,993,000
EUR
|
— | — | — | — | — | — |
38,017,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — | — | — | — | — |
165,958,871,000
EUR
|
— | — | — | — | — | — |
152,199,504,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |