Statement Of Changes In Equity [Abstract]
| Concept |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 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 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
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 |
2022-01-01 to 2022-12-31 |
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 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||||||||||||||||||||||||||
| Equity | — |
1 753,8
EUR
|
— |
1 613,6
EUR
|
— | — | — |
15,000,000
EUR
|
— |
980,000,000
EUR
|
— |
643,000,000
EUR
|
564,000,000
EUR
|
1 752,3
EUR
|
25,000,000
EUR
|
— |
353,000,000
EUR
|
— |
528,000,000
EUR
|
1 528,3
EUR
|
— | — | — | — | — |
7,000,000
EUR
|
980,000,000
EUR
|
1 350,0
EUR
|
643,000,000
EUR
|
340,000,000
EUR
|
1 527,6
EUR
|
— |
35,000,000
EUR
|
— | — | — |
540,000,000
EUR
|
1 380,1
EUR
|
1 547,0
EUR
|
70,000,000
EUR
|
1 544,3
EUR
|
980,000,000
EUR
|
452,000,000
EUR
|
643,000,000
EUR
|
27,000,000
EUR
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) |
3,487,000,000
EUR
|
— |
3,469,000,000
EUR
|
— |
18,000,000
EUR
|
3,469,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
232,000,000
EUR
|
239,000,000
EUR
|
7,000,000
EUR
|
— | — | — | — | — | — | — |
239,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Other comprehensive income |
274,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
258,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income |
3,212,000,000
EUR
|
— |
3,195,000,000
EUR
|
— |
17,000,000
EUR
|
3,410,000,000
EUR
|
-
EUR
|
— |
224,000,000
EUR
|
— |
-
EUR
|
— | — | — | — |
9,000,000
EUR
|
— |
-
EUR
|
— | — |
-
EUR
|
490,000,000
EUR
|
350,000,000
EUR
|
6,000,000
EUR
|
35,000,000
EUR
|
— | — | — | — | — | — |
497,000,000
EUR
|
— |
-
EUR
|
112,000,000
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners |
873,000,000
EUR
|
— |
869,000,000
EUR
|
— |
3,000,000
EUR
|
869,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
704,000,000
EUR
|
695,000,000
EUR
|
9,000,000
EUR
|
— | — | — | — | — | — | — |
695,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through treasury share transactions, equity |
175,000,000
EUR
|
— |
175,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
175,000,000
EUR
|
— | — | — |
12,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
12,000,000
EUR
|
— | — | — |
12,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity |
96,000,000
EUR
|
— |
96,000,000
EUR
|
— | — |
96,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
47,000,000
EUR
|
47,000,000
EUR
|
— | — | — | — | — | — | — | — |
47,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |