Statement Of Changes In Equity [Abstract]
| Concept |
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 |
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 |
2021-01-01 to 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 |
2020-01-01 to 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 |
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 |
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 |
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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Equity |
40,000,000
EUR
|
1 996,7
EUR
|
— |
6,052,000,000
EUR
|
— | — |
3,863,000,000
EUR
|
3 815,4
EUR
|
22,000,000
EUR
|
— | — | — |
1,030,000,000
EUR
|
3 429,1
EUR
|
343,000,000
EUR
|
9,663,000,000
EUR
|
— | — | — |
2 227,1
EUR
|
6,000,000
EUR
|
93,000,000
EUR
|
— |
6,328,000,000
EUR
|
3 395,7
EUR
|
9,663,000,000
EUR
|
— | — |
1,561,000,000
EUR
|
6,328,000,000
EUR
|
2,547,000,000
EUR
|
2 236,4
EUR
|
191,000,000
EUR
|
— | — |
191,000,000
EUR
|
2,547,000,000
EUR
|
93,000,000
EUR
|
1,561,000,000
EUR
|
3,314,000,000
EUR
|
3 736,4
EUR
|
9,663,000,000
EUR
|
3 405,0
EUR
|
3,314,000,000
EUR
|
3 727,1
EUR
|
6,000,000
EUR
|
— | — |
93,000,000
EUR
|
4 135,0
EUR
|
1,123,000,000
EUR
|
542,000,000
EUR
|
6,328,000,000
EUR
|
4 461,8
EUR
|
2 637,9
EUR
|
447,000,000
EUR
|
8,000,000
EUR
|
9,663,000,000
EUR
|
3,268,000,000
EUR
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — | — | — | — | — |
788,000,000
EUR
|
— | — | — | — | — |
950,000,000
EUR
|
— | — | — | — |
162,000,000
EUR
|
788,000,000
EUR
|
3,215,000,000
EUR
|
— | — | — | — | — | — | — | — |
3,788,000,000
EUR
|
— | — | — | — | — | — |
573,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
3,788,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Other comprehensive income | — | — |
28,000,000
EUR
|
— | — |
2,757,000,000
EUR
|
— | — | — |
522,000,000
EUR
|
2,207,000,000
EUR
|
353,000,000
EUR
|
— | — | — | — |
3,110,000,000
EUR
|
— |
3,774,000,000
EUR
|
— | — | — |
445,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
14,000,000
EUR
|
193,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
3,122,000,000
EUR
|
3,581,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income | — | — |
28,000,000
EUR
|
— | — |
1,969,000,000
EUR
|
— | — | — |
522,000,000
EUR
|
2,207,000,000
EUR
|
1,303,000,000
EUR
|
— | — | — | — |
3,272,000,000
EUR
|
788,000,000
EUR
|
6,989,000,000
EUR
|
— | — | — |
445,000,000
EUR
|
— | — | — | — |
3,788,000,000
EUR
|
— | — | — | — | — |
14,000,000
EUR
|
380,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
3,122,000,000
EUR
|
7,369,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Issue of equity | — | — | — | — | — |
0
EUR
|
— | — | — | — | — |
24,000,000
EUR
|
— | — | — | — |
24,000,000
EUR
|
— |
22,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
22,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
0
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — | — | — | — | — |
1,348,000,000
EUR
|
— | — | — | — | — |
682,000,000
EUR
|
— | — | — | — |
2,030,000,000
EUR
|
1,348,000,000
EUR
|
353,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
353,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
0
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through treasury share transactions, equity | — | — | — | — |
151,000,000
EUR
|
151,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
151,000,000
EUR
|
— |
256,000,000
EUR
|
— | — | — | — | — | — | — |
256,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
256,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — | — | — | — | — |
97,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
97,000,000
EUR
|
97,000,000
EUR
|
89,000,000
EUR
|
— | — | — | — | — | — | — | — |
89,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
89,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |