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 |
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 |
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 |
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 |
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 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 |
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 |
As at 2020-12-31 |
As at 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Equity |
29 409
EUR
|
— | — | — |
4 259
EUR
|
— |
56,000,000
EUR
|
12 719
EUR
|
3 470
EUR
|
2 088
EUR
|
1 473
EUR
|
240,000,000
EUR
|
25 939
EUR
|
9 872
EUR
|
— | — | — | — | — | — | — |
1 973
EUR
|
2 597
EUR
|
— | — |
24 771
EUR
|
— | — | — |
1 117
EUR
|
— |
9 956
EUR
|
304,000,000
EUR
|
— |
22 881
EUR
|
— |
12 242
EUR
|
1 481
EUR
|
1 889
EUR
|
— |
11 527
EUR
|
2 162
EUR
|
1 471
EUR
|
21 011
EUR
|
2 111
EUR
|
10 753
EUR
|
1 148
EUR
|
23 173
EUR
|
1 242
EUR
|
723,000,000
EUR
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — |
-
EUR
|
-
EUR
|
4 417
EUR
|
— |
157,000,000
EUR
|
— | — | — | — | — | — | — | — |
-
EUR
|
-
EUR
|
4 259
EUR
|
4 259
EUR
|
-
EUR
|
-
EUR
|
402,000,000
EUR
|
— | — |
-
EUR
|
2 597
EUR
|
— |
-
EUR
|
2 597
EUR
|
-
EUR
|
— |
-
EUR
|
— | — |
-
EUR
|
— |
-
EUR
|
— | — | — |
2 195
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Other comprehensive income | — | — | — |
1 061
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
578,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Comprehensive income | — |
-
EUR
|
-
EUR
|
5 478
EUR
|
— |
117,000,000
EUR
|
— | — | — | — | — | — | — | — |
-
EUR
|
1 039
EUR
|
4 259
EUR
|
5 361
EUR
|
-
EUR
|
63,000,000
EUR
|
274,000,000
EUR
|
— | — |
-
EUR
|
3 046
EUR
|
— |
29,000,000
EUR
|
2 597
EUR
|
-
EUR
|
— |
-
EUR
|
— | — |
421,000,000
EUR
|
— |
-
EUR
|
— | — | — |
2 773
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Issue of equity | — |
-
EUR
|
14,000,000
EUR
|
491,000,000
EUR
|
— |
-
EUR
|
— | — | — | — | — | — | — | — |
-
EUR
|
-
EUR
|
-
EUR
|
491,000,000
EUR
|
477,000,000
EUR
|
-
EUR
|
-
EUR
|
— | — |
-
EUR
|
739,000,000
EUR
|
— |
-
EUR
|
-
EUR
|
715,000,000
EUR
|
— |
-
EUR
|
— | — |
-
EUR
|
— |
25,000,000
EUR
|
— | — | — |
739,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity | — |
-
EUR
|
-
EUR
|
104,000,000
EUR
|
— |
6,000,000
EUR
|
— | — | — | — | — | — | — | — |
120,000,000
EUR
|
22,000,000
EUR
|
-
EUR
|
98,000,000
EUR
|
-
EUR
|
1,000,000
EUR
|
2,000,000
EUR
|
— | — |
-
EUR
|
22,000,000
EUR
|
— |
-
EUR
|
-
EUR
|
-
EUR
|
— |
22,000,000
EUR
|
— | — |
1,000,000
EUR
|
— |
-
EUR
|
— | — | — |
25,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through treasury share transactions, equity | — |
899,000,000
EUR
|
-
EUR
|
1 100
EUR
|
— |
-
EUR
|
— | — | — | — | — | — | — | — |
201,000,000
EUR
|
-
EUR
|
-
EUR
|
1 100
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
— | — |
401,000,000
EUR
|
602,000,000
EUR
|
— |
-
EUR
|
-
EUR
|
-
EUR
|
— |
202,000,000
EUR
|
— | — |
-
EUR
|
— |
-
EUR
|
— | — | — |
602,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity | — |
-
EUR
|
-
EUR
|
50,000,000
EUR
|
— |
19,000,000
EUR
|
— | — | — | — | — | — | — | — |
32,000,000
EUR
|
-
EUR
|
-
EUR
|
32,000,000
EUR
|
-
EUR
|
-
EUR
|
27,000,000
EUR
|
— | — |
-
EUR
|
16,000,000
EUR
|
— |
-
EUR
|
-
EUR
|
-
EUR
|
— |
16,000,000
EUR
|
— | — |
-
EUR
|
— |
-
EUR
|
— | — | — |
11,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — |
-
EUR
|
-
EUR
|
265,000,000
EUR
|
— |
-
EUR
|
— | — | — | — | — | — | — | — |
265,000,000
EUR
|
-
EUR
|
-
EUR
|
265,000,000
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
— | — |
-
EUR
|
209,000,000
EUR
|
— |
-
EUR
|
-
EUR
|
-
EUR
|
— |
209,000,000
EUR
|
— | — |
-
EUR
|
— |
-
EUR
|
— | — | — |
209,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |