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 |
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 |
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 |
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 |
As at 2021-12-31 |
2021-01-01 to 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 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 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 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Equity | — |
20,764,000,000
EUR
|
— | — |
47,052,000,000
EUR
|
— |
8,518,000,000
EUR
|
— |
2,662,000,000
EUR
|
52,844,000,000
EUR
|
88,000,000
EUR
|
18,102,000,000
EUR
|
73,364,000,000
EUR
|
21,701,000,000
EUR
|
— | — | — | — |
10,804,000,000
EUR
|
2,680,000,000
EUR
|
52,844,000,000
EUR
|
50,253,000,000
EUR
|
92,000,000
EUR
|
19,021,000,000
EUR
|
— |
73,364,000,000
EUR
|
17,261,000,000
EUR
|
— |
46,899,000,000
EUR
|
52,844,000,000
EUR
|
46,745,000,000
EUR
|
154,000,000
EUR
|
9,210,000,000
EUR
|
92,000,000
EUR
|
73,364,000,000
EUR
|
9,210,000,000
EUR
|
— | — |
19,746,000,000
EUR
|
— |
154,000,000
EUR
|
2,639,000,000
EUR
|
19,900,000,000
EUR
|
17,107,000,000
EUR
|
52,844,000,000
EUR
|
2,639,000,000
EUR
|
— |
92,000,000
EUR
|
73,364,000,000
EUR
|
154,000,000
EUR
|
— | — |
2,389,000,000
EUR
|
15,266,000,000
EUR
|
92,000,000
EUR
|
22,548,000,000
EUR
|
7,482,000,000
EUR
|
73,472,000,000
EUR
|
17,655,000,000
EUR
|
73,364,000,000
EUR
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) |
7,140,000,000
EUR
|
— |
6,487,000,000
EUR
|
— | — |
653,000,000
EUR
|
— |
6,487,000,000
EUR
|
— | — | — | — | — | — | — |
8,269,000,000
EUR
|
7,642,000,000
EUR
|
627,000,000
EUR
|
— | — | — | — | — | — |
7,642,000,000
EUR
|
— | — |
572,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
6,049,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
6,621,000,000
EUR
|
6,049,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Comprehensive income |
5,114,000,000
EUR
|
— |
4,590,000,000
EUR
|
1,683,000,000
EUR
|
— |
524,000,000
EUR
|
— |
6,273,000,000
EUR
|
— | — | — | — | — | — |
193,000,000
EUR
|
8,355,000,000
EUR
|
7,655,000,000
EUR
|
507,000,000
EUR
|
— | — | — | — | — | — |
7,848,000,000
EUR
|
— | — |
749,000,000
EUR
|
— | — | — | — | — | — | — | — |
1,448,000,000
EUR
|
9,228,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
9,977,000,000
EUR
|
7,780,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners |
4,327,000,000
EUR
|
— |
4,327,000,000
EUR
|
— | — | — | — |
4,327,000,000
EUR
|
— | — | — | — | — | — | — |
4,356,000,000
EUR
|
4,356,000,000
EUR
|
— | — | — | — | — | — | — |
4,356,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
4,458,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
4,458,000,000
EUR
|
4,458,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity |
2,000,000
EUR
|
— |
19,000,000
EUR
|
2,000,000
EUR
|
— |
21,000,000
EUR
|
— |
17,000,000
EUR
|
— | — | — | — | — | — |
258,000,000
EUR
|
136,000,000
EUR
|
15,000,000
EUR
|
107,000,000
EUR
|
— | — | — | — | — | — |
243,000,000
EUR
|
— | — |
7,000,000
EUR
|
— | — | — | — | — | — | — | — |
82,000,000
EUR
|
147,000,000
EUR
|
— |
2,000,000
EUR
|
— | — | — | — | — | — |
82,000,000
EUR
|
— | — | — |
154,000,000
EUR
|
231,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Increase (decrease) through treasury share transactions, equity |
1,507,000,000
EUR
|
— |
1,507,000,000
EUR
|
1,507,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
1,509,000,000
EUR
|
1,509,000,000
EUR
|
— | — | — | — | — | — | — | — |
1,509,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
3,018,000,000
EUR
|
3,018,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
3,018,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity |
212,000,000
EUR
|
— |
212,000,000
EUR
|
— | — | — | — |
212,000,000
EUR
|
— | — | — | — | — | — | — |
177,000,000
EUR
|
177,000,000
EUR
|
— | — | — | — | — | — | — |
177,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
161,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
161,000,000
EUR
|
161,000,000
EUR
|
— | — | — | — | — | — | — | — |