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 2021-12-31 |
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 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 |
As at 2019-12-31 |
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] | ||||||||||||||||||||||||||||||||||||||||
| Goodwill | — | — |
10,637,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
8,014,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill | — | — |
3,650,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
2,997,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current assets or disposal groups classified as held for sale or as held for distribution to owners | — | — |
71,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
173,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — |
2,216,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
1,820,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — |
2,303,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
3,226,000,000
EUR
|
— | — | — | — | — |
1,425,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
1,688,000,000
EUR
|
— | — | — | — |
| Assets | — | — |
30,961,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
27,713,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Issued capital | — | — |
177,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
182,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — |
14,438,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
11,870,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — |
36,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
31,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
476,000,000
EUR
|
9,344,000,000
EUR
|
14,475,000,000
EUR
|
25,000,000
EUR
|
344,000,000
EUR
|
14,438,000,000
EUR
|
4,646,000,000
EUR
|
36,000,000
EUR
|
1,117,000,000
EUR
|
177,000,000
EUR
|
7,828,000,000
EUR
|
31,000,000
EUR
|
23,000,000
EUR
|
11,870,000,000
EUR
|
182,000,000
EUR
|
199,000,000
EUR
|
58,000,000
EUR
|
4,400,000,000
EUR
|
11,901,000,000
EUR
|
305,000,000
EUR
|
12,597,000,000
EUR
|
28,000,000
EUR
|
978,000,000
EUR
|
3,671,000,000
EUR
|
12,625,000,000
EUR
|
8,296,000,000
EUR
|
303,000,000
EUR
|
201,000,000
EUR
|
24,000,000
EUR
|
179,000,000
EUR
|
739,000,000
EUR
|
3,487,000,000
EUR
|
29,000,000
EUR
|
12,055,000,000
EUR
|
399,000,000
EUR
|
12,084,000,000
EUR
|
181,000,000
EUR
|
10,000,000
EUR
|
185,000,000
EUR
|
8,232,000,000
EUR
|
| Liabilities [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Deferred tax liabilities | — | — |
83,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
59,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities included in disposal groups classified as held for sale | — | — |
1,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
30,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — |
30,961,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
27,713,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |