Statement Of Changes In Equity [Abstract]
| Concept |
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 |
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 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Equity |
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
|
52,844,000,000
EUR
|
— |
46,899,000,000
EUR
|
17,261,000,000
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
|
— |
22,548,000,000
EUR
|
15,266,000,000
EUR
|
92,000,000
EUR
|
— |
7,482,000,000
EUR
|
73,472,000,000
EUR
|
— |
17,655,000,000
EUR
|
— |
73,364,000,000
EUR
|
— | — |
5,574,000,000
EUR
|
13,886,000,000
EUR
|
134,000,000
EUR
|
–
EUR
|
18,212,000,000
EUR
|
420,000,000
EUR
|
13,192,000,000
EUR
|
694,000,000
EUR
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — | — |
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
|
— |
6,073,000,000
EUR
|
— | — | — |
5,581,000,000
EUR
|
— | — | — | — | — | — |
492,000,000
EUR
|
5,581,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Comprehensive income | — |
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
|
— |
3,836,000,000
EUR
|
— | — | — |
5,776,000,000
EUR
|
— | — |
2,226,000,000
EUR
|
— | — | — |
286,000,000
EUR
|
3,550,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Issue of equity | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
–
EUR
|
— | — | — |
51,000,000
EUR
|
— | — | — | — |
51,000,000
EUR
|
— | — |
–
EUR
|
— | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — | — |
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
|
— |
4,300,000,000
EUR
|
— | — | — |
4,300,000,000
EUR
|
— | — | — | — | — | — | — |
4,300,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity | — |
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
|
— |
232,000,000
EUR
|
— | — | — |
236,000,000
EUR
|
— | — |
44,000,000
EUR
|
— | — | — |
48,000,000
EUR
|
280,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Increase (decrease) through treasury share transactions, equity | — |
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 | — | — |
177,000,000
EUR
|
177,000,000
EUR
|
— | — | — | — | — | — | — |
177,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
161,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
161,000,000
EUR
|
161,000,000
EUR
|
— |
108,000,000
EUR
|
— | — | — |
108,000,000
EUR
|
— | — | — | — | — | — | — |
108,000,000
EUR
|
— | — | — | — | — | — | — | — |