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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||||||||||||
| Non-current assets [abstract] | ||||||||||||||||||||||||||||||||
| Property, plant and equipment |
10 721
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
10 505
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets |
4 361
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
4 506
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Investment property |
291,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
259,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Goodwill |
7 995
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
8 034
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill |
1 333
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
1 325
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method |
1 256
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
1 172
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets |
631,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
679,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other non-current financial assets |
1 152
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
1 212
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current assets |
29 883
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
30 115
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | ||||||||||||||||||||||||||||||||
| Other current financial assets |
532,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
368,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
3 703
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
4 439
EUR
|
— | — | — | — | — | — | — | — | — | — |
4 466
EUR
|
— | — | — | — | — | — | — |
| Current assets |
17 785
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
17 473
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets |
47 668
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
47 588
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||||||||||
| Issued capital |
1 940
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
2 044
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
10 251
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
10 103
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests |
1 579
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
1 507
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
11 830
EUR
|
10 251
EUR
|
4,000,000
EUR
|
10 305
EUR
|
1 579
EUR
|
1 990
EUR
|
1 940
EUR
|
10 178
EUR
|
1 507
EUR
|
42,000,000
EUR
|
10 103
EUR
|
2 044
EUR
|
2 078
EUR
|
11 609
EUR
|
11 985
EUR
|
2 018
EUR
|
1 740
EUR
|
1 381
EUR
|
33,000,000
EUR
|
9 640
EUR
|
10 245
EUR
|
9 937
EUR
|
1 736
EUR
|
1 381
EUR
|
11 673
EUR
|
308,000,000
EUR
|
2 018
EUR
|
312,000,000
EUR
|
4,000,000
EUR
|
9 332
EUR
|
33,000,000
EUR
|
308,000,000
EUR
|
| Liabilities [abstract] | ||||||||||||||||||||||||||||||||
| Non-current liabilities [abstract] | ||||||||||||||||||||||||||||||||
| Non-current provisions [abstract] | ||||||||||||||||||||||||||||||||
| Non-current provisions |
2 455
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
2 357
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax liabilities |
374,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
467,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities |
13 688
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
14 637
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | ||||||||||||||||||||||||||||||||
| Liabilities included in disposal groups classified as held for sale |
−
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
39,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities |
22 150
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
21 342
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
47 668
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
47 588
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |