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 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 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 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||||||||||||||||||||
| Right-of-use assets |
418,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
441,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Goodwill |
244,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
282,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill |
121,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
124,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method |
832,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
580,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets |
74,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
143,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
1,917,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
1,481,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets |
20,922,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
19,026,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||||||||||||||||||||
| Issued capital |
1,342,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
1,342,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings |
7,893,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
6,650,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Share premium |
77,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
77,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other equity interest |
633,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
633,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other reserves |
3,002,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
2,175,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
12,532,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
10,683,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests |
30,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
16,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
12,502,000,000
EUR
|
1,579,000,000
EUR
|
1,298,000,000
EUR
|
77,000,000
EUR
|
87,000,000
EUR
|
30,000,000
EUR
|
7,893,000,000
EUR
|
—
EUR
|
1,342,000,000
EUR
|
415,000,000
EUR
|
12,532,000,000
EUR
|
633,000,000
EUR
|
39,000,000
EUR
|
—
EUR
|
6,650,000,000
EUR
|
1,373,000,000
EUR
|
633,000,000
EUR
|
10,666,000,000
EUR
|
4,000,000
EUR
|
77,000,000
EUR
|
29,000,000
EUR
|
778,000,000
EUR
|
10,683,000,000
EUR
|
16,000,000
EUR
|
195,000,000
EUR
|
1,342,000,000
EUR
|
5,518,000,000
EUR
|
1,195,000,000
EUR
|
23,000,000
EUR
|
16,000,000
EUR
|
77,000,000
EUR
|
12,000,000
EUR
|
8,809,000,000
EUR
|
1,342,000,000
EUR
|
633,000,000
EUR
|
—
EUR
|
267,000,000
EUR
|
8,793,000,000
EUR
|
277,000,000
EUR
|
| Liabilities [abstract] | |||||||||||||||||||||||||||||||||||||||
| Deferred tax liabilities |
1,443,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
1,430,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities included in disposal groups classified as held for sale |
237,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities |
8,419,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
8,360,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
20,922,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
19,026,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |