Statement Of Changes In Equity [Abstract]
| Concept |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 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 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 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 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 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 changes in equity [abstract] | ||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||||||||||||
| Equity | — | — |
1 3 47, 6
EUR
|
9,346,000,000
EUR
|
— | — |
1 ,6
EUR
|
1,814,000,000
EUR
|
— |
2,382,000,000
EUR
|
254,000,000
EUR
|
167,000,000
EUR
|
167,000,000
EUR
|
1 433,1
EUR
|
— | — | — |
2,382,000,000
EUR
|
105,000,000
EUR
|
1,814,000,000
EUR
|
1 343,5
EUR
|
166,000,000
EUR
|
254,000,000
EUR
|
3 4 9, 5
EUR
|
— | — |
17 ,6
EUR
|
1 591,5
EUR
|
1 627,6
EUR
|
1 ,6
EUR
|
2,382,000,000
EUR
|
1,814,000,000
EUR
|
3,930,000,000
EUR
|
254,000,000
EUR
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||
| Profit (loss) | — |
3,255,000,000
EUR
|
— | — |
3,255,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
1,755,000,000
EUR
|
1,755,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other comprehensive income | — |
323, 8
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
524,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income | — |
17,000,000
EUR
|
— | — |
3,255,000,000
EUR
|
3,328,000,000
EUR
|
— | — |
89,000,000
EUR
|
— | — | — | — | — | — |
123, 1
EUR
|
1,755,000,000
EUR
|
— | — | — | — | — | — | — |
90,000,000
EUR
|
435,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — |
76 , 0
EUR
|
— | — |
76 , 0
EUR
|
— | — | — | — | — | — | — | — | — | — |
7 6, 0
EUR
|
76 ,0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity | — |
26,000,000
EUR
|
— | — |
26,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
95,000,000
EUR
|
9, 5
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through treasury share transactions, equity |
44,000,000
EUR
|
44,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity |
43,000,000
EUR
|
8,000,000
EUR
|
— | — |
5 ,1
EUR
|
— | — | — | — | — | — | — | — | — |
10,000,000
EUR
|
49,000,000
EUR
|
59,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |