Statement Of Financial Position [Abstract]
| Concept |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
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 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 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||
| Property, plant and equipment |
3 867,7
EUR
|
— | — | — | — | — | — | — | — |
3 481,7
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
3 266,2
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets |
1 692,4
EUR
|
— | — | — | — | — | — | — | — |
1 482,7
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
1 507,6
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Goodwill |
13 102,6
EUR
|
— | — | — | — | — | — | — | — |
11 717,7
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
11 074,5
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill |
4 287,1
EUR
|
— | — | — | — | — | — | — | — |
3 640,1
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
3 462,8
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method |
270,000,000
EUR
|
— | — | — | — | — | — | — | — |
184,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
99,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets |
9,212,000,000
EUR
|
— | — | — | — | — | — | — | — |
8,011,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
6,965,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
4 288,1
EUR
|
— | — | — | — | — | — | — | — |
2 617,7
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
2 713,8
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
6 405,9
EUR
|
| Assets |
51 855,1
EUR
|
— | — | — | — | — | — | — | — |
46 844,2
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
43 013,4
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||
| Issued capital |
1,069,000,000
EUR
|
— | — | — | — | — | — | — | — |
1,070,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
1,115,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Treasury shares |
—
EUR
|
— | — | — | — | — | — | — | — |
—
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
8 940,2
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
29 074,3
EUR
|
— | — | — | — | — | — | — | — |
27 178,5
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
23 585,7
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests |
73,000,000
EUR
|
— | — | — | — | — | — | — | — |
80,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
69,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
29 081,6
EUR
|
19 983,1
EUR
|
73,000,000
EUR
|
1,069,000,000
EUR
|
5,096,000,000
EUR
|
—
EUR
|
29 074,3
EUR
|
3 370,2
EUR
|
6 123,8
EUR
|
27 186,5
EUR
|
6 404,4
EUR
|
80,000,000
EUR
|
17 382,2
EUR
|
—
EUR
|
1,070,000,000
EUR
|
838,000,000
EUR
|
27 178,5
EUR
|
3 368,7
EUR
|
23 434,5
EUR
|
8 940,2
EUR
|
23 538,1
EUR
|
1,512,000,000
EUR
|
23 689,3
EUR
|
1,512,000,000
EUR
|
1,115,000,000
EUR
|
3 265,6
EUR
|
23 592,6
EUR
|
5 738,6
EUR
|
1,512,000,000
EUR
|
23 585,7
EUR
|
69,000,000
EUR
|
2,791,000,000
EUR
|
1,115,000,000
EUR
|
3 265,6
EUR
|
8 940,2
EUR
|
69,000,000
EUR
|
5 738,6
EUR
|
2,791,000,000
EUR
|
23 441,4
EUR
|
22 206,0
EUR
|
58,000,000
EUR
|
3 259,8
EUR
|
28 993,0
EUR
|
1,120,000,000
EUR
|
4 304,5
EUR
|
8,891,000,000
EUR
|
—
EUR
|
28 998,8
EUR
|
| Liabilities [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||
| Deferred tax liabilities |
8,466,000,000
EUR
|
— | — | — | — | — | — | — | — |
9,056,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
8,103,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
51 855,1
EUR
|
— | — | — | — | — | — | — | — |
46 844,2
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
43 013,4
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |