Statement Of Financial Position [Abstract]
| Concept |
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 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 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 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||||||||||
| Property, plant and equipment |
79,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
75,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets |
283,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
301,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Goodwill |
4,394,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
4,180,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill |
1,648,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
1,620,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method |
11,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
10,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current assets or disposal groups classified as held for sale or as held for distribution to owners |
–
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
101,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets |
62,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
62,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
1,346,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
1,001,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets |
9,5 10
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
9,028,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||||||||
| Issued capital |
31,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
32,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings |
2,46 1
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
2,330,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Share premium |
87,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
87,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Treasury shares |
735,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
247,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
2,310,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
2,417,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests |
0
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
2,310,000,000
EUR
|
0
EUR
|
87,000,000
EUR
|
2,46 1
EUR
|
735,000,000
EUR
|
31,000,000
EUR
|
452,000,000
EUR
|
2,310,000,000
EUR
|
120,000,000
EUR
|
106,000,000
EUR
|
247,000,000
EUR
|
2,330,000,000
EUR
|
2,417,000,000
EUR
|
118,000,000
EUR
|
122,000,000
EUR
|
2,417,000,000
EUR
|
87,000,000
EUR
|
0
EUR
|
219,000,000
EUR
|
32,000,000
EUR
|
2,308,000,000
EUR
|
0
EUR
|
2,087,000,000
EUR
|
32,000,000
EUR
|
133,000,000
EUR
|
116,000,000
EUR
|
222,000,000
EUR
|
135,000,000
EUR
|
87,000,000
EUR
|
2,087,000,000
EUR
|
| Liabilities [abstract] | ||||||||||||||||||||||||||||||
| Deferred tax liabilities |
299,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
294,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities included in disposal groups classified as held for sale |
–
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
74,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities |
7 ,200
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
6,611,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
9,5 10
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
9,028,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |