Statement Of Changes In Equity [Abstract]
| Concept |
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 |
2021-01-01 to 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 |
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 |
2020-01-01 to 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 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
2019-01-01 to 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
As at 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Equity |
8 940,2
EUR
|
— |
23 689,3
EUR
|
3 265,6
EUR
|
— | — |
23 592,6
EUR
|
— |
5 738,6
EUR
|
— |
23 585,7
EUR
|
69,000,000
EUR
|
2,791,000,000
EUR
|
1,115,000,000
EUR
|
— | — | — | — |
22 206,0
EUR
|
58,000,000
EUR
|
3 259,8
EUR
|
28 993,0
EUR
|
1,120,000,000
EUR
|
— |
4 304,5
EUR
|
— |
-
EUR
|
8,891,000,000
EUR
|
— | — |
28 998,8
EUR
|
— | — | — | — | — |
29 419,3
EUR
|
67,000,000
EUR
|
992,000,000
EUR
|
— | — |
3 130,2
EUR
|
29 426,0
EUR
|
20 681,0
EUR
|
— |
5 595,8
EUR
|
-
EUR
|
— | — |
1,116,000,000
EUR
|
— | — |
26 933,6
EUR
|
26 928,4
EUR
|
565,000,000
EUR
|
2,874,000,000
EUR
|
19 847,8
EUR
|
26 847,0
EUR
|
565,000,000
EUR
|
52,000,000
EUR
|
26 852,2
EUR
|
2,874,000,000
EUR
|
4 242,1
EUR
|
3 070,3
EUR
|
815,000,000
EUR
|
4 242,1
EUR
|
815,000,000
EUR
|
815,000,000
EUR
|
3 070,3
EUR
|
1,121,000,000
EUR
|
52,000,000
EUR
|
19 766,3
EUR
|
1,121,000,000
EUR
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — |
51,000,000
EUR
|
— | — | — |
4 597,1
EUR
|
— | — | — | — | — | — | — | — | — |
4 602,2
EUR
|
4 597,1
EUR
|
3 567,6
EUR
|
— | — | — | — | — |
3 563,4
EUR
|
— | — | — | — | — | — | — | — |
42,000,000
EUR
|
3 563,4
EUR
|
— |
3 750,0
EUR
|
— | — | — |
3 750,0
EUR
|
52,000,000
EUR
|
— | — | — |
3 755,2
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other comprehensive income | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
2 044,3
EUR
|
— |
2 081,3
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
1 541,8
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income | — |
51,000,000
EUR
|
— | — | — |
6 641,4
EUR
|
— |
1 434,1
EUR
|
— |
6,102,000,000
EUR
|
— | — | — | — | — |
6 646,5
EUR
|
4 597,1
EUR
|
1 486,3
EUR
|
— | — | — | — | — |
3 563,4
EUR
|
— |
1 291,3
EUR
|
— | — | — | — | — |
7,899,000,000
EUR
|
42,000,000
EUR
|
1 482,1
EUR
|
1,882,000,000
EUR
|
5 291,9
EUR
|
— | — | — |
3 750,0
EUR
|
51,000,000
EUR
|
— | — | — |
5 297,0
EUR
|
— | — |
1 353,7
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Issue of equity | — | — | — | — | — |
58,000,000
EUR
|
— | — | — | — | — | — | — | — |
58,000,000
EUR
|
58,000,000
EUR
|
— |
1,298,000,000
EUR
|
— | — | — | — | — |
2,000,000
EUR
|
— | — | — | — |
1,296,000,000
EUR
|
4,000,000
EUR
|
— | — | — |
1,298,000,000
EUR
|
— |
600,000,000
EUR
|
— | — | — |
1,000,000
EUR
|
— | — | — | — |
600,000,000
EUR
|
— | — | — |
599,000,000
EUR
|
— |
3,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — |
47,000,000
EUR
|
— | — | — |
2 264,4
EUR
|
— | — | — | — | — | — | — | — | — |
2 269,1
EUR
|
2 264,4
EUR
|
2 177,5
EUR
|
— | — | — | — | — |
2 172,6
EUR
|
— | — | — | — | — | — | — | — |
49,000,000
EUR
|
2 172,6
EUR
|
— |
2 176,7
EUR
|
— | — | — |
2 176,7
EUR
|
36,000,000
EUR
|
— | — | — |
2 180,3
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity | — |
6,000,000
EUR
|
— | — | — |
998,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
1,004,000,000
EUR
|
998,000,000
EUR
|
47,000,000
EUR
|
— | — | — | — | — |
48,000,000
EUR
|
— | — | — | — | — | — | — | — |
1,000,000
EUR
|
48,000,000
EUR
|
— |
1,000,000
EUR
|
— | — | — |
1,000,000
EUR
|
— | — | — | — |
1,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through treasury share transactions, equity | — | — | — | — |
10 045,0
EUR
|
10 045,0
EUR
|
— | — | — | — | — | — | — | — | — |
10 045,0
EUR
|
— |
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
7,473,000,000
EUR
|
— | — | — | — | — | — | — | — |
7,473,000,000
EUR
|
— | — | — | — | — | — |
7,473,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — | — | — | — | — |
1,552,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
1,552,000,000
EUR
|
1,552,000,000
EUR
|
1,297,000,000
EUR
|
— | — | — | — | — |
1,297,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
1,297,000,000
EUR
|
— |
1,444,000,000
EUR
|
— | — | — |
1,444,000,000
EUR
|
— | — | — | — |
1,444,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |