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 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||||
| Property, plant and equipment |
9 365
EUR
|
— | — | — | — | — | — | — |
9 187
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets |
2 835
EUR
|
— | — | — | — | — | — | — |
2 472
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Goodwill |
12,658,000,000
EUR
|
— | — | — | — | — | — | — |
12,626,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill |
3 717
EUR
|
— | — | — | — | — | — | — |
3 969
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method |
1 758
EUR
|
— | — | — | — | — | — | — |
1 686
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets |
511,000,000
EUR
|
— | — | — | — | — | — | — |
489,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
5 548
EUR
|
— | — | — | — | — | — | — |
5 736
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets |
60,746,000,000
EUR
|
— | — | — | — | — | — | — |
60,595,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||
| Issued capital |
382,000,000
EUR
|
— | — | — | — | — | — | — |
375,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Treasury shares |
123,000,000
EUR
|
— | — | — | — | — | — | — |
54,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
12,408,000,000
EUR
|
— | — | — | — | — | — | — |
12,212,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests |
1 704
EUR
|
— | — | — | — | — | — | — |
1 720
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
14,112,000,000
EUR
|
2 746
EUR
|
2 996
EUR
|
6 124
EUR
|
1 704
EUR
|
123,000,000
EUR
|
12,408,000,000
EUR
|
665,000,000
EUR
|
13,932,000,000
EUR
|
2 567
EUR
|
5 637
EUR
|
3 176
EUR
|
886,000,000
EUR
|
1 720
EUR
|
54,000,000
EUR
|
12,212,000,000
EUR
|
88,000,000
EUR
|
2 825
EUR
|
5 213
EUR
|
3 306
EUR
|
12,789,000,000
EUR
|
112,000,000
EUR
|
11,144,000,000
EUR
|
1 645
EUR
|
| Liabilities [abstract] | ||||||||||||||||||||||||
| Deferred tax liabilities |
783,000,000
EUR
|
— | — | — | — | — | — | — |
759,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities included in disposal groups classified as held for sale | — | — | — | — | — | — | — | — |
44,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
60,746,000,000
EUR
|
— | — | — | — | — | — | — |
60,595,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |