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 |
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 |
2022-01-01 to 2022-12-31 |
2021-01-01 to 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 |
2021-01-01 to 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 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
As at 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 |
4 636,2
EUR
|
— | — | — | — |
3 323,6
EUR
|
223,000,000
EUR
|
1 847,7
EUR
|
5,541,000,000
EUR
|
1,777,000,000
EUR
|
— |
1,807,000,000
EUR
|
2 788,6
EUR
|
— | — | — | — |
5,697,000,000
EUR
|
1,790,000,000
EUR
|
— | — |
4 188,9
EUR
|
— | — |
3 169,3
EUR
|
2,347,000,000
EUR
|
— |
2 601,4
EUR
|
— |
575,000,000
EUR
|
1 587,5
EUR
|
— |
1 283,8
EUR
|
2 003,7
EUR
|
1,789,000,000
EUR
|
2 638,8
EUR
|
5,451,000,000
EUR
|
3,244,000,000
EUR
|
552,000,000
EUR
|
3 287,5
EUR
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — | — | — |
1 022,1
EUR
|
3,657,000,000
EUR
|
— | — | — | — | — |
6,563,000,000
EUR
|
— | — |
6,563,000,000
EUR
|
— | — |
3,295,000,000
EUR
|
— | — | — |
1 046,9
EUR
|
— | — |
1 046,9
EUR
|
— | — | — | — | — | — | — |
1 376,4
EUR
|
— | — | — | — | — | — | — | — |
| Other comprehensive income | — |
-
EUR
|
-
EUR
|
3,046,000,000
EUR
|
250,000,000
EUR
|
— | — | — | — | — |
3,845,000,000
EUR
|
— | — |
3,297,000,000
EUR
|
-
EUR
|
548,000,000
EUR
|
1,026,000,000
EUR
|
— | — |
-
EUR
|
2,623,000,000
EUR
|
— |
-
EUR
|
3,638,000,000
EUR
|
— | — |
1,015,000,000
EUR
|
— |
-
EUR
|
— | — |
1,598,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Comprehensive income | — |
-
EUR
|
-
EUR
|
7,174,000,000
EUR
|
3,907,000,000
EUR
|
— | — | — | — | — |
2,719,000,000
EUR
|
— | — |
3,266,000,000
EUR
|
-
EUR
|
548,000,000
EUR
|
4,321,000,000
EUR
|
— | — |
-
EUR
|
7,846,000,000
EUR
|
— |
-
EUR
|
6,831,000,000
EUR
|
— | — |
1,015,000,000
EUR
|
— |
-
EUR
|
— | — |
1 216,7
EUR
|
— | — | — | — | — | — | — | — |
| Issue of equity | — | — |
1,000,000
EUR
|
22,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
22,000,000
EUR
|
20,000,000
EUR
|
— | — | — | — | — |
23,000,000
EUR
|
— |
22,000,000
EUR
|
— | — | — | — | — |
1,000,000
EUR
|
— | — |
23,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — | — | — |
3,028,000,000
EUR
|
1,727,000,000
EUR
|
— | — | — | — | — |
1,301,000,000
EUR
|
— | — |
1,301,000,000
EUR
|
— | — |
1,181,000,000
EUR
|
— | — | — |
1,266,000,000
EUR
|
— | — |
1,266,000,000
EUR
|
— | — | — | — | — | — | — |
2,447,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity | — | — | — |
587,000,000
EUR
|
680,000,000
EUR
|
— | — | — | — | — |
94,000,000
EUR
|
— | — |
94,000,000
EUR
|
— | — |
728,000,000
EUR
|
— | — | — |
578,000,000
EUR
|
— | — |
578,000,000
EUR
|
— | — | — | — | — | — | — |
1,305,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Increase (decrease) through treasury share transactions, equity | — |
232,000,000
EUR
|
15,000,000
EUR
|
232,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
232,000,000
EUR
|
— | — | — | — | — |
247,000,000
EUR
|
247,000,000
EUR
|
— | — | — | — | — | — | — |
-
EUR
|
— | — |
247,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity | — | — | — |
576,000,000
EUR
|
423,000,000
EUR
|
— | — | — | — | — |
146,000,000
EUR
|
— | — |
153,000,000
EUR
|
— |
8,000,000
EUR
|
454,000,000
EUR
|
— | — | — |
12,000,000
EUR
|
— | — |
106,000,000
EUR
|
— | — |
118,000,000
EUR
|
— | — | — | — |
442,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — | — | — |
529,000,000
EUR
|
165,000,000
EUR
|
— | — | — | — | — |
364,000,000
EUR
|
— | — |
364,000,000
EUR
|
— | — |
170,000,000
EUR
|
— | — | — |
211,000,000
EUR
|
— | — |
211,000,000
EUR
|
— | — | — | — | — | — | — |
381,000,000
EUR
|
— | — | — | — | — | — | — | — |