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 |
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 2023-12-31 |
2023-01-01 to 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 |
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 |
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 |
As at 2021-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||||||||||||||||||||
| Equity | — |
9,585,000,000
EUR
|
— |
8,869,000,000
EUR
|
— | — |
506,000,000
EUR
|
— |
1,327,000,000
EUR
|
4,133,000,000
EUR
|
2,110,000,000
EUR
|
1,665,000,000
EUR
|
9,079,000,000
EUR
|
1,476,000,000
EUR
|
— |
1 067,4
EUR
|
— | — | — | — | — | — |
640,000,000
EUR
|
1,339,000,000
EUR
|
4,264,000,000
EUR
|
1,518,000,000
EUR
|
4,133,000,000
EUR
|
1,408,000,000
EUR
|
1 003,4
EUR
|
— |
3,223,000,000
EUR
|
— | — |
1,651,000,000
EUR
|
1,685,000,000
EUR
|
7,997,000,000
EUR
|
3,367,000,000
EUR
|
7,464,000,000
EUR
|
533,000,000
EUR
|
1,455,000,000
EUR
|
4,133,000,000
EUR
|
1,385,000,000
EUR
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) |
4,753,000,000
EUR
|
— |
4,700,000,000
EUR
|
— |
53,000,000
EUR
|
4,700,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
3,556,000,000
EUR
|
3,420,000,000
EUR
|
136,000,000
EUR
|
— | — | — | — | — | — | — | — |
3,420,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Other comprehensive income |
4,539,000,000
EUR
|
— |
4,172,000,000
EUR
|
— |
367,000,000
EUR
|
1,229,000,000
EUR
|
— |
702,000,000
EUR
|
— | — | — | — | — | — |
4,699,000,000
EUR
|
— | — | — |
11,000,000
EUR
|
251,000,000
EUR
|
118,000,000
EUR
|
169,000,000
EUR
|
— | — | — | — | — | — | — |
129,000,000
EUR
|
— | — |
47,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Comprehensive income |
214,000,000
EUR
|
— |
528,000,000
EUR
|
— |
314,000,000
EUR
|
5,929,000,000
EUR
|
— |
702,000,000
EUR
|
— | — | — | — | — | — |
4,699,000,000
EUR
|
— | — | — |
3,567,000,000
EUR
|
3,671,000,000
EUR
|
18,000,000
EUR
|
169,000,000
EUR
|
— | — | — | — | — | — | — |
3,549,000,000
EUR
|
— | — |
47,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners |
1,669,000,000
EUR
|
— |
1,638,000,000
EUR
|
— |
31,000,000
EUR
|
1,638,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
—
EUR
|
1,242,000,000
EUR
|
1,227,000,000
EUR
|
15,000,000
EUR
|
— | — | — | — | — | — | — | — |
1,227,000,000
EUR
|
— |
—
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity |
—
EUR
|
— |
5,000,000
EUR
|
— |
5,000,000
EUR
|
5,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
—
EUR
|
—
EUR
|
1,000,000
EUR
|
1,000,000
EUR
|
—
EUR
|
—
EUR
|
— | — | — | — | — | — | — |
1,000,000
EUR
|
— |
—
EUR
|
—
EUR
|
— | — | — | — | — | — | — | — | — |
| Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity |
—
EUR
|
— |
—
EUR
|
— |
—
EUR
|
—
EUR
|
— | — | — | — | — | — | — | — |
—
EUR
|
— | — | — |
214,000,000
EUR
|
158,000,000
EUR
|
81,000,000
EUR
|
25,000,000
EUR
|
— | — | — | — | — | — | — |
133,000,000
EUR
|
— | — |
—
EUR
|
— | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity |
82,000,000
EUR
|
— |
82,000,000
EUR
|
— |
—
EUR
|
82,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
57,000,000
EUR
|
57,000,000
EUR
|
—
EUR
|
— | — | — | — | — | — | — | — |
57,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |