Statement Of Changes In Equity [Abstract]
| Concept |
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 |
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 |
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 |
2020-01-01 to 2020-12-31 |
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 |
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 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Equity |
134,000,000
EUR
|
— | — |
2 182,4
EUR
|
— | — | — |
3 241,9
EUR
|
— |
2,401,000,000
EUR
|
440,000,000
EUR
|
— |
3 193,4
EUR
|
2 719,5
EUR
|
485,000,000
EUR
|
6,144,000,000
EUR
|
5,811,000,000
EUR
|
1,699,000,000
EUR
|
— | — |
590,000,000
EUR
|
62,000,000
EUR
|
2 901,5
EUR
|
1,699,000,000
EUR
|
301,000,000
EUR
|
— | — | — |
67,000,000
EUR
|
6,332,000,000
EUR
|
2 093,8
EUR
|
6,144,000,000
EUR
|
— | — |
2 960,5
EUR
|
— | — | — | — |
2 720,8
EUR
|
3 113,7
EUR
|
483,000,000
EUR
|
2 340,0
EUR
|
4,196,000,000
EUR
|
5,209,000,000
EUR
|
48,000,000
EUR
|
3 162,0
EUR
|
274,000,000
EUR
|
48,000,000
EUR
|
1,212,000,000
EUR
|
5,209,000,000
EUR
|
483,000,000
EUR
|
2 344,8
EUR
|
35,000,000
EUR
|
1,212,000,000
EUR
|
3 118,5
EUR
|
1,590,000,000
EUR
|
48,000,000
EUR
|
2 763,1
EUR
|
3 166,8
EUR
|
274,000,000
EUR
|
2 767,9
EUR
|
4,196,000,000
EUR
|
35,000,000
EUR
|
48,000,000
EUR
|
1,590,000,000
EUR
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
2,497,000,000
EUR
|
323,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other comprehensive income | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
1,705,000,000
EUR
|
2,382,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income | — |
14,000,000
EUR
|
378,000,000
EUR
|
— |
783,000,000
EUR
|
1,787,000,000
EUR
|
4,188,000,000
EUR
|
— |
2,401,000,000
EUR
|
— | — |
626,000,000
EUR
|
— | — | — | — | — | — |
4,202,000,000
EUR
|
2,059,000,000
EUR
|
— | — | — | — | — |
301,000,000
EUR
|
321,000,000
EUR
|
97,000,000
EUR
|
— | — | — | — |
2,360,000,000
EUR
|
— | — |
2,136,000,000
EUR
|
— | — |
2,059,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Issue of equity | — |
26,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
26,000,000
EUR
|
1,198,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
114,000,000
EUR
|
— | — | — |
1,084,000,000
EUR
|
1,198,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — |
87,000,000
EUR
|
— | — |
975,000,000
EUR
|
975,000,000
EUR
|
975,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
1,062,000,000
EUR
|
1,376,000,000
EUR
|
— | — | — | — | — | — |
1,359,000,000
EUR
|
— | — | — | — | — |
1,359,000,000
EUR
|
— | — | — |
17,000,000
EUR
|
— |
1,359,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity | — |
58,000,000
EUR
|
— | — |
175,000,000
EUR
|
280,000,000
EUR
|
280,000,000
EUR
|
— | — | — | — |
105,000,000
EUR
|
— | — | — | — | — | — |
338,000,000
EUR
|
121,000,000
EUR
|
— | — | — | — | — | — |
3,000,000
EUR
|
— | — | — | — | — |
3,000,000
EUR
|
— | — | — |
124,000,000
EUR
|
— |
3,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — | — | — | — |
86,000,000
EUR
|
86,000,000
EUR
|
86,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
86,000,000
EUR
|
58,000,000
EUR
|
— | — | — | — | — | — |
58,000,000
EUR
|
— | — | — | — | — |
58,000,000
EUR
|
— | — | — | — | — |
58,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |