Statement Of Changes In Equity [Abstract]
| Concept |
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 |
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 |
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 |
As at 2023-12-31 |
As at 2023-12-31 |
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 |
As at 2022-12-31 |
As at 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 |
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 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 |
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 |
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 |
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 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 |
19,074,000,000
EUR
|
— | — |
2,733,000,000
EUR
|
— |
2,701,000,000
EUR
|
922,000,000
EUR
|
3,705,000,000
EUR
|
966,000,000
EUR
|
7,000,000
EUR
|
— |
14,000,000
EUR
|
— | — |
1,980,000,000
EUR
|
— |
22,789,000,000
EUR
|
— | — |
71,000,000
EUR
|
20,056,000,000
EUR
|
— |
3,619,000,000
EUR
|
19,591,000,000
EUR
|
70,000,000
EUR
|
9,000,000
EUR
|
60,000,000
EUR
|
60,000,000
EUR
|
9,000,000
EUR
|
47,000,000
EUR
|
21,920,000,000
EUR
|
— |
2,369,000,000
EUR
|
2,701,000,000
EUR
|
18,351,000,000
EUR
|
922,000,000
EUR
|
3,619,000,000
EUR
|
19,551,000,000
EUR
|
21,960,000,000
EUR
|
2,369,000,000
EUR
|
2,701,000,000
EUR
|
922,000,000
EUR
|
18,391,000,000
EUR
|
1,242,000,000
EUR
|
— | — |
1,242,000,000
EUR
|
— | — |
70,000,000
EUR
|
47,000,000
EUR
|
— | — |
40,000,000
EUR
|
40,000,000
EUR
|
40,000,000
EUR
|
— |
8,000,000
EUR
|
37,000,000
EUR
|
37,000,000
EUR
|
8,000,000
EUR
|
2,701,000,000
EUR
|
1,128,000,000
EUR
|
1,128,000,000
EUR
|
56,000,000
EUR
|
2,701,000,000
EUR
|
245,000,000
EUR
|
17,356,000,000
EUR
|
2,344,000,000
EUR
|
4,003,000,000
EUR
|
922,000,000
EUR
|
2,344,000,000
EUR
|
4,003,000,000
EUR
|
19,945,000,000
EUR
|
17,601,000,000
EUR
|
16,786,000,000
EUR
|
16,541,000,000
EUR
|
245,000,000
EUR
|
245,000,000
EUR
|
922,000,000
EUR
|
56,000,000
EUR
|
19,700,000,000
EUR
|
56,000,000
EUR
|
56,000,000
EUR
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — |
97,000,000
EUR
|
2,100,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
2,401,000,000
EUR
|
— |
204,000,000
EUR
|
— |
2,304,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
3,039,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
2,682,000,000
EUR
|
— | — |
2,474,000,000
EUR
|
357,000,000
EUR
|
— | — | — |
208,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other comprehensive income | — |
187,000,000
EUR
|
66,000,000
EUR
|
— |
86,000,000
EUR
|
— | — | — | — | — |
2,000,000
EUR
|
— |
123,000,000
EUR
|
459,000,000
EUR
|
— | — | — |
272,000,000
EUR
|
1,000,000
EUR
|
— | — |
1,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
302,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
357,000,000
EUR
|
384,000,000
EUR
|
— |
63,000,000
EUR
|
55,000,000
EUR
|
— | — |
103,000,000
EUR
|
— | — | — | — |
14,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income | — |
90,000,000
EUR
|
2,034,000,000
EUR
|
— |
86,000,000
EUR
|
— | — | — | — | — |
2,000,000
EUR
|
— |
123,000,000
EUR
|
1,942,000,000
EUR
|
— |
204,000,000
EUR
|
— |
2,032,000,000
EUR
|
1,000,000
EUR
|
— | — |
1,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
3,341,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
3,039,000,000
EUR
|
384,000,000
EUR
|
— |
2,537,000,000
EUR
|
302,000,000
EUR
|
— | — |
103,000,000
EUR
|
208,000,000
EUR
|
— | — | — |
14,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — |
270,000,000
EUR
|
1,080,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
1,350,000,000
EUR
|
— | — | — |
1,080,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
1,103,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
840,000,000
EUR
|
— | — |
840,000,000
EUR
|
263,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity | — | — |
534,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
—
EUR
|
— |
534,000,000
EUR
|
— |
—
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
—
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
—
EUR
|
— | — |
94,000,000
EUR
|
— | — | — | — |
94,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — | — |
2,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
2,000,000
EUR
|
— | — | — |
2,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
49,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
49,000,000
EUR
|
— | — |
49,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |