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 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 2020-01-01 |
As at 2020-01-01 |
As at 2020-01-01 |
As at 2020-01-01 |
As at 2020-01-01 |
As at 2020-01-01 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||
| Non-current assets [abstract] | |||||||||||||||||||||
| Property, plant and equipment | — | — |
278,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
261,000,000
EUR
|
— | — | — | — | — | — | — |
| Investment property | — | — |
4 176,8
EUR
|
— | — | — | — | — | — | — | — | — | — |
4 024,6
EUR
|
— | — | — | — | — | — | — |
| Goodwill | — | — |
2,094,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
2,094,000,000
EUR
|
— | — | — | — | — | — | — |
| Deferred tax assets | — | — |
241,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
185,000,000
EUR
|
— | — | — | — | — | — | — |
| Other non-current financial assets | — | — |
220,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
126,000,000
EUR
|
— | — | — | — | — | — | — |
| Non-current assets | — | — |
5 170,8
EUR
|
— | — | — | — | — | — | — | — | — | — |
5 132,2
EUR
|
— | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||||||||
| Trade and other current receivables | — | — |
8,582,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
8,280,000,000
EUR
|
— | — | — | — | — | — | — |
| Current tax assets, current | — | — |
195,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
114,000,000
EUR
|
— | — | — | — | — | — | — |
| Other current financial assets | — | — |
283,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
220,000,000
EUR
|
— | — | — | — | — | — | — |
| Cash and cash equivalents | — | — |
1 625,5
EUR
|
— | — | — | — | — | — | — | — | — | — |
1 277,5
EUR
|
— | — | — | — | — | — | — |
| Non-current assets or disposal groups classified as held for sale or as held for distribution to owners | — | — |
83,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
774,000,000
EUR
|
— | — | — | — | — | — | — |
| Current assets | — | — |
4 188,5
EUR
|
— | — | — | — | — | — | — | — | — | — |
3 817,8
EUR
|
— | — | — | — | — | — | — |
| Assets | — | — |
9 359,4
EUR
|
— | — | — | — | — | — | — | — | — | — |
8 950,0
EUR
|
— | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||
| Issued capital | — | — |
3,101,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
2,640,000,000
EUR
|
— | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — |
2 236,2
EUR
|
— | — | — | — | — | — | — | — | — | — |
1 758,5
EUR
|
— | — | — | — | — | — | — |
| Non-controlling interests | — | — |
1 307,4
EUR
|
— | — | — | — | — | — | — | — | — | — |
9,582,000,000
EUR
|
— | — | — | — | — | — | — |
| Equity |
338,000,000
EUR
|
5,139,000,000
EUR
|
3 543,6
EUR
|
1 446,0
EUR
|
2 236,2
EUR
|
1 307,4
EUR
|
3,101,000,000
EUR
|
9,582,000,000
EUR
|
2,338,000,000
EUR
|
1 758,5
EUR
|
2,640,000,000
EUR
|
239,000,000
EUR
|
1 284,7
EUR
|
2 716,7
EUR
|
331,000,000
EUR
|
2,552,000,000
EUR
|
3,118,000,000
EUR
|
3 335,5
EUR
|
1 610,6
EUR
|
1 191,1
EUR
|
2 144,4
EUR
|
| Liabilities [abstract] | |||||||||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||||||||
| Non-current provisions [abstract] | |||||||||||||||||||||
| Non-current provisions | — | — |
368,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
240,000,000
EUR
|
— | — | — | — | — | — | — |
| Deferred tax liabilities | — | — |
694,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
697,000,000
EUR
|
— | — | — | — | — | — | — |
| Non-current liabilities | — | — |
3 036,5
EUR
|
— | — | — | — | — | — | — | — | — | — |
2 630,5
EUR
|
— | — | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||||||||
| Trade and other current payables | — | — |
1 740,6
EUR
|
— | — | — | — | — | — | — | — | — | — |
1 798,4
EUR
|
— | — | — | — | — | — | — |
| Current tax liabilities, current | — | — |
152,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
210,000,000
EUR
|
— | — | — | — | — | — | — |
| Current liabilities | — | — |
2 779,2
EUR
|
— | — | — | — | — | — | — | — | — | — |
3 602,8
EUR
|
— | — | — | — | — | — | — |
| Equity and liabilities | — | — |
9 359,4
EUR
|
— | — | — | — | — | — | — | — | — | — |
8 950,0
EUR
|
— | — | — | — | — | — | — |