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 2020-12-31 |
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 2019-12-31 |
As at 2019-01-01 |
As at 2019-01-01 |
As at 2019-01-01 |
As at 2019-01-01 |
As at 2019-01-01 |
As at 2019-01-01 |
As at 2019-01-01 |
As at 2019-01-01 |
As at 2019-01-01 |
As at 2019-01-01 |
As at 2019-01-01 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||||||||||||||
| Property, plant and equipment | — | — | — | — | — | — | — | — | — | — |
1 506,9
EUR
|
— | — | — | — | — | — | — |
1 632,2
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets | — | — | — | — | — | — | — | — | — | — |
1,925,000,000
EUR
|
— | — | — | — | — | — | — |
2,452,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Goodwill | — | — | — | — | — | — | — | — | — | — |
2 149,1
EUR
|
— | — | — | — | — | — | — |
2 153,1
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill | — | — | — | — | — | — | — | — | — | — |
2,876,000,000
EUR
|
— | — | — | — | — | — | — |
2,818,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Investments in subsidiaries, joint ventures and associates reported in separate financial statements | — | — | — | — | — | — | — | — | — | — |
873,000,000
EUR
|
— | — | — | — | — | — | — |
1,053,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — | — | — | — | — | — | — | — |
1,304,000,000
EUR
|
— | — | — | — | — | — | — |
1,206,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — | — | — | — | — | — | — |
6,485,000,000
EUR
|
— | — | — | — | — | — | — |
6,604,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets | — | — | — | — | — | — | — | — | — | — |
6 991,1
EUR
|
— | — | — | — | — | — | — |
7 474,7
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||||||||||||||
| Issued capital | — | — | — | — | — | — | — | — | — | — |
1,699,000,000
EUR
|
— | — | — | — | — | — | — |
1,590,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Share premium | — | — | — | — | — | — | — | — | — | — |
6,144,000,000
EUR
|
— | — | — | — | — | — | — |
5,209,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Treasury shares | — | — | — | — | — | — | — | — | — | — |
67,000,000
EUR
|
— | — | — | — | — | — | — |
274,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other reserves | — | — | — | — | — | — | — | — | — | — |
2 088,9
EUR
|
— | — | — | — | — | — | — |
2 340,0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — | — | — | — | — | — | — | — | — |
2 896,6
EUR
|
— | — | — | — | — | — | — |
3 113,7
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — | — | — | — | — | — | — | — | — |
590,000,000
EUR
|
— | — | — | — | — | — | — |
483,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
2 715,9
EUR
|
590,000,000
EUR
|
62,000,000
EUR
|
301,000,000
EUR
|
2 896,6
EUR
|
1,699,000,000
EUR
|
67,000,000
EUR
|
6,332,000,000
EUR
|
2 088,9
EUR
|
6,144,000,000
EUR
|
2 955,6
EUR
|
3 113,7
EUR
|
483,000,000
EUR
|
2 763,1
EUR
|
2 340,0
EUR
|
1,212,000,000
EUR
|
4,196,000,000
EUR
|
5,209,000,000
EUR
|
3 162,0
EUR
|
274,000,000
EUR
|
35,000,000
EUR
|
1,590,000,000
EUR
|
5,596,000,000
EUR
|
2 443,8
EUR
|
29,000,000
EUR
|
1 992,2
EUR
|
167,000,000
EUR
|
1,590,000,000
EUR
|
5,204,000,000
EUR
|
3 250,8
EUR
|
363,000,000
EUR
|
3 214,5
EUR
|
4,487,000,000
EUR
|
| Liabilities [abstract] | |||||||||||||||||||||||||||||||||
| Deferred tax liabilities | — | — | — | — | — | — | — | — | — | — |
920,000,000
EUR
|
— | — | — | — | — | — | — |
1,069,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — | — | — | — | — | — | — | — |
6 991,1
EUR
|
— | — | — | — | — | — | — |
7 474,7
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |