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 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 2020-01-01 |
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 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 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 | — | — | — | — | — |
4 641
EUR
|
— | — | — | — | — | — | — | — | — | — |
4 279
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
5 113
EUR
|
— | — | — | — |
| Investment property | — | — | — | — | — |
411,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
428,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
493,000,000
EUR
|
— | — | — | — |
| Goodwill | — | — | — | — | — |
6 667
EUR
|
— | — | — | — | — | — | — | — | — | — |
6 656
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
7 489
EUR
|
— | — | — | — |
| Intangible assets other than goodwill | — | — | — | — | — |
2 024
EUR
|
— | — | — | — | — | — | — | — | — | — |
2 061
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
2 296
EUR
|
— | — | — | — |
| Investments accounted for using equity method | — | — | — | — | — |
201,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
191,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
341,000,000
EUR
|
— | — | — | — |
| Deferred tax assets | — | — | — | — | — |
1 191
EUR
|
— | — | — | — | — | — | — | — | — | — |
1 019
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
768,000,000
EUR
|
— | — | — | — |
| Non-current assets | — | — | — | — | — |
21 067
EUR
|
— | — | — | — | — | — | — | — | — | — |
20 738
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
23 284
EUR
|
— | — | — | — |
| Current assets [abstract] | ||||||||||||||||||||||||||||||||||||
| Current inventories | — | — | — | — | — |
3 214
EUR
|
— | — | — | — | — | — | — | — | — | — |
3 209
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
3 775
EUR
|
— | — | — | — |
| Current tax assets, current | — | — | — | — | — |
196,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
167,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
111,000,000
EUR
|
— | — | — | — |
| Cash and cash equivalents | — | — | — | — | — |
2 283
EUR
|
— | — | — | — | — | — | — | — | — | — |
2 744
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
3 572
EUR
|
— | — | — | — |
| Current assets | — | — | — | — | — |
9 470
EUR
|
— | — | — | — | — | — | — | — | — | — |
9 763
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
12 647
EUR
|
— | — | — | — |
| Assets | — | — | — | — | — |
30 537
EUR
|
— | — | — | — | — | — | — | — | — | — |
30 501
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
35 932
EUR
|
— | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||||||||||||||
| Issued capital | — | — | — | — | — |
166,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
166,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
166,000,000
EUR
|
— | — | — | — |
| Equity attributable to owners of parent | — | — | — | — | — |
2 755
EUR
|
— | — | — | — | — | — | — | — | — | — |
3 309
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
4 816
EUR
|
— | — | — | — |
| Non-controlling interests | — | — | — | — | — |
2 883
EUR
|
— | — | — | — | — | — | — | — | — | — |
2 856
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
3 488
EUR
|
— | — | — | — |
| Equity |
14,000,000
EUR
|
3 901
EUR
|
3 086
EUR
|
438,000,000
EUR
|
1 350
EUR
|
5 638
EUR
|
2 755
EUR
|
2 883
EUR
|
166,000,000
EUR
|
1 350
EUR
|
1 000
EUR
|
2 856
EUR
|
3 309
EUR
|
166,000,000
EUR
|
22,000,000
EUR
|
3 087
EUR
|
6 165
EUR
|
3 901
EUR
|
166,000,000
EUR
|
1 350
EUR
|
1 919
EUR
|
8 256
EUR
|
1 350
EUR
|
1 947
EUR
|
28,000,000
EUR
|
3 901
EUR
|
2 539
EUR
|
28,000,000
EUR
|
3 488
EUR
|
166,000,000
EUR
|
2 521
EUR
|
8 304
EUR
|
3 901
EUR
|
3 488
EUR
|
4 769
EUR
|
4 816
EUR
|
| Liabilities [abstract] | ||||||||||||||||||||||||||||||||||||
| Non-current liabilities [abstract] | ||||||||||||||||||||||||||||||||||||
| Non-current provisions [abstract] | ||||||||||||||||||||||||||||||||||||
| Non-current provisions for employee benefits | — | — | — | — | — |
273,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
289,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
293,000,000
EUR
|
— | — | — | — |
| Other non-current provisions | — | — | — | — | — |
376,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
374,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
458,000,000
EUR
|
— | — | — | — |
| Deferred tax liabilities | — | — | — | — | — |
405,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
508,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
566,000,000
EUR
|
— | — | — | — |
| Non-current liabilities | — | — | — | — | — |
12 975
EUR
|
— | — | — | — | — | — | — | — | — | — |
12 398
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
14 422
EUR
|
— | — | — | — |
| Current liabilities [abstract] | ||||||||||||||||||||||||||||||||||||
| Current provisions [abstract] | ||||||||||||||||||||||||||||||||||||
| Current provisions for employee benefits | — | — | — | — | — |
12,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
12,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
11,000,000
EUR
|
— | — | — | — |
| Other current provisions | — | — | — | — | — |
216,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
189,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
153,000,000
EUR
|
— | — | — | — |
| Liabilities included in disposal groups classified as held for sale | — | — | — | — | — |
175,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
210,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
1 197
EUR
|
— | — | — | — |
| Current liabilities | — | — | — | — | — |
11 925
EUR
|
— | — | — | — | — | — | — | — | — | — |
11 937
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
13 206
EUR
|
— | — | — | — |
| Equity and liabilities | — | — | — | — | — |
30 537
EUR
|
— | — | — | — | — | — | — | — | — | — |
30 501
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
35 932
EUR
|
— | — | — | — |