Statement Of Changes In Equity [Abstract]
| Concept |
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 |
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 |
2023-01-01 to 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 |
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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||||||||||||||||||
| Equity | — | — |
4 831,6
EUR
|
— | — | — |
2 155,2
EUR
|
— |
234,000,000
EUR
|
— |
1,778,000,000
EUR
|
3 318,7
EUR
|
2,714,000,000
EUR
|
— |
5,721,000,000
EUR
|
2 676,4
EUR
|
4 636,2
EUR
|
— | — | — | — |
3 323,6
EUR
|
222,000,000
EUR
|
1 847,7
EUR
|
5,541,000,000
EUR
|
— |
1,807,000,000
EUR
|
2 788,6
EUR
|
1,777,000,000
EUR
|
— | — | — |
5,697,000,000
EUR
|
4 188,9
EUR
|
3 169,3
EUR
|
2 601,4
EUR
|
575,000,000
EUR
|
2,347,000,000
EUR
|
1,790,000,000
EUR
|
1 587,5
EUR
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Profit (loss) |
5,309,000,000
EUR
|
— | — |
1,424,000,000
EUR
|
3,885,000,000
EUR
|
— | — | — | — | — | — | — | — |
1,424,000,000
EUR
|
— | — | — | — | — |
1 022,1
EUR
|
3,657,000,000
EUR
|
— | — | — | — |
6,563,000,000
EUR
|
— | — | — |
6,563,000,000
EUR
|
— |
-
EUR
|
— | — | — | — | — | — | — | — |
| Other comprehensive income |
2,853,000,000
EUR
|
— | — |
2,110,000,000
EUR
|
744,000,000
EUR
|
— | — |
907,000,000
EUR
|
— | — | — | — | — |
1,203,000,000
EUR
|
— | — | — | — | — |
3,047,000,000
EUR
|
250,000,000
EUR
|
— | — | — | — |
3,845,000,000
EUR
|
— | — | — |
3,297,000,000
EUR
|
— |
548,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Comprehensive income |
2,455,000,000
EUR
|
— | — |
686,000,000
EUR
|
3,142,000,000
EUR
|
— | — |
907,000,000
EUR
|
— | — | — | — | — |
221,000,000
EUR
|
— | — | — | — | — |
7,173,000,000
EUR
|
3,907,000,000
EUR
|
— | — | — | — |
2,719,000,000
EUR
|
— | — | — |
3,266,000,000
EUR
|
— |
548,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Issue of equity |
14,000,000
EUR
|
— | — |
14,000,000
EUR
|
— |
13,000,000
EUR
|
— | — | — |
1,000,000
EUR
|
— | — | — | — | — | — | — | — |
1,000,000
EUR
|
22,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
22,000,000
EUR
|
20,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners |
4,271,000,000
EUR
|
— | — |
1,391,000,000
EUR
|
2,880,000,000
EUR
|
— | — | — | — | — | — | — | — |
1,391,000,000
EUR
|
— | — | — | — | — |
3,028,000,000
EUR
|
1,727,000,000
EUR
|
— | — | — | — |
1,301,000,000
EUR
|
— | — | — |
1,301,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity |
2,220,000,000
EUR
|
— | — |
849,000,000
EUR
|
1,370,000,000
EUR
|
— | — |
-
EUR
|
— | — | — | — | — |
849,000,000
EUR
|
— | — | — | — | — |
587,000,000
EUR
|
680,000,000
EUR
|
— | — | — | — |
94,000,000
EUR
|
— | — | — |
94,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through treasury share transactions, equity |
180,000,000
EUR
|
180,000,000
EUR
|
— |
180,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
232,000,000
EUR
|
— |
232,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
232,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity |
1,197,000,000
EUR
|
— | — |
75,000,000
EUR
|
1,272,000,000
EUR
|
— | — | — | — | — | — | — | — |
75,000,000
EUR
|
— | — | — | — | — |
576,000,000
EUR
|
423,000,000
EUR
|
— | — | — | — |
146,000,000
EUR
|
— | — | — |
153,000,000
EUR
|
— |
8,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity |
519,000,000
EUR
|
— | — |
348,000,000
EUR
|
172,000,000
EUR
|
— | — | — | — | — | — | — | — |
348,000,000
EUR
|
— | — | — | — | — |
529,000,000
EUR
|
165,000,000
EUR
|
— | — | — | — |
364,000,000
EUR
|
— | — | — |
364,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |