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 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 2019-12-31 |
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 | — | — | — |
4 643
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
4 281
EUR
|
— | — | — | — | — | — | — |
5 115
EUR
|
— | — | — | — | — | — | — | — |
| Investment property | — | — | — |
582,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
606,000,000
EUR
|
— | — | — | — | — | — | — |
494,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Goodwill | — | — | — |
7 678
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
7 666
EUR
|
— | — | — | — | — | — | — |
8 499
EUR
|
— | — | — | — | — | — | — | — |
| Intangible assets other than goodwill | — | — | — |
2 024
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
2 061
EUR
|
— | — | — | — | — | — | — |
2 296
EUR
|
— | — | — | — | — | — | — | — |
| Investments accounted for using equity method | — | — | — |
197,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
186,000,000
EUR
|
— | — | — | — | — | — | — |
341,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — |
1 195
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
1 022
EUR
|
— | — | — | — | — | — | — |
768,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Non-current assets | — | — | — |
22 289
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
21 985
EUR
|
— | — | — | — | — | — | — |
24 352
EUR
|
— | — | — | — | — | — | — | — |
| Current assets [abstract] | ||||||||||||||||||||||||||||||||
| Current inventories | — | — | — |
3 219
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
3 216
EUR
|
— | — | — | — | — | — | — |
3 783
EUR
|
— | — | — | — | — | — | — | — |
| Current tax assets, current | — | — | — |
196,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
167,000,000
EUR
|
— | — | — | — | — | — | — |
111,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — |
2 321
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
2 812
EUR
|
— | — | — | — | — | — | — |
3 675
EUR
|
— | — | — | — | — | — | — | — |
| Current assets | — | — | — |
9 478
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
10 098
EUR
|
— | — | — | — | — | — | — |
13 358
EUR
|
— | — | — | — | — | — | — | — |
| Assets | — | — | — |
31 767
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
32 083
EUR
|
— | — | — | — | — | — | — |
37 710
EUR
|
— | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||||||||||
| Issued capital | — | — | — |
149,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
149,000,000
EUR
|
— | — | — | — | — | — | — |
149,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — | — |
878,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
717,000,000
EUR
|
— | — | — | — | — | — | — |
344,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Non-controlling interests | — | — | — |
4 430
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
4 790
EUR
|
— | — | — | — | — | — | — |
6 401
EUR
|
— | — | — | — | — | — | — | — |
| Equity |
22,000,000
EUR
|
293,000,000
EUR
|
930,000,000
EUR
|
3 552
EUR
|
878,000,000
EUR
|
4 430
EUR
|
218,000,000
EUR
|
149,000,000
EUR
|
122,000,000
EUR
|
4 790
EUR
|
717,000,000
EUR
|
149,000,000
EUR
|
22,000,000
EUR
|
940,000,000
EUR
|
218,000,000
EUR
|
4 073
EUR
|
6 010
EUR
|
149,000,000
EUR
|
6 368
EUR
|
358,000,000
EUR
|
770,000,000
EUR
|
344,000,000
EUR
|
6 401
EUR
|
6 057
EUR
|
218,000,000
EUR
|
81,000,000
EUR
|
776,000,000
EUR
|
22,000,000
EUR
|
22,000,000
EUR
|
149,000,000
EUR
|
218,000,000
EUR
|
73,000,000
EUR
|
| Liabilities [abstract] | ||||||||||||||||||||||||||||||||
| Non-current liabilities [abstract] | ||||||||||||||||||||||||||||||||
| Non-current provisions [abstract] | ||||||||||||||||||||||||||||||||
| Non-current provisions for employee benefits | — | — | — |
274,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
289,000,000
EUR
|
— | — | — | — | — | — | — |
294,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Other non-current provisions | — | — | — |
376,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
374,000,000
EUR
|
— | — | — | — | — | — | — |
469,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Deferred tax liabilities | — | — | — |
405,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
508,000,000
EUR
|
— | — | — | — | — | — | — |
566,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Non-current liabilities | — | — | — |
16 276
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
15 741
EUR
|
— | — | — | — | — | — | — |
14 727
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
|
— | — | — | — | — | — | — | — | — | — | — |
190,000,000
EUR
|
— | — | — | — | — | — | — |
154,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Liabilities included in disposal groups classified as held for sale | — | — | — |
175,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
501,000,000
EUR
|
— | — | — | — | — | — | — |
1 634
EUR
|
— | — | — | — | — | — | — | — |
| Current liabilities | — | — | — |
11 939
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
12 269
EUR
|
— | — | — | — | — | — | — |
16 926
EUR
|
— | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — |
31 767
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
32 083
EUR
|
— | — | — | — | — | — | — |
37 710
EUR
|
— | — | — | — | — | — | — | — |