Statement Of Changes In Equity [Abstract]
| Concept |
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 |
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 |
2021-01-01 to 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 |
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 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
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 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 |
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 |
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 |
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 |
2020-01-01 to 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 |
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 2009-01-01 |
As at 2001-11-01 |
As at 2001-01-01 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Equity |
449,000,000.0
EUR
|
542,000,000.0
EUR
|
1,029,000,000.0
EUR
|
1,148,300.0
EUR
|
— |
20,000,000.0
EUR
|
— |
72,000,000.0
EUR
|
— |
928,000,000.0
EUR
|
4,705,000,000.0
EUR
|
— | — | — | — | — |
4,373,400.0
EUR
|
45,000,000.0
EUR
|
86,000,000.0
EUR
|
889,000,000.0
EUR
|
— | — |
2,706,400.0
EUR
|
— |
4,378,000
EUR
|
219,000,000.0
EUR
|
— | — | — | — | — | — | — | — |
188,000,000.0
EUR
|
11,000,000.0
EUR
|
— |
1,166,000,000.0
EUR
|
4,705,000,000.0
EUR
|
— |
45,000,000.0
EUR
|
— | — | — |
175,000,000.0
EUR
|
— | — |
1,140,000,000.0
EUR
|
206,000,000.0
EUR
|
4,354,000
EUR
|
2,712,900.0
EUR
|
43,000,000.0
EUR
|
— |
879,000,000.0
EUR
|
4,349,400.0
EUR
|
— |
541,000,000.0
EUR
|
— |
1,148,100.0
EUR
|
— |
2,443,200.0
EUR
|
–
EUR
|
1,126,200.0
EUR
|
1,037,000,000.0
EUR
|
2,444,300.0
EUR
|
3,812,900.0
EUR
|
40,000,000.0
EUR
|
879,000,000.0
EUR
|
3,828,300.0
EUR
|
40,000,000.0
EUR
|
3,824,300.0
EUR
|
3,817,000
EUR
|
–
EUR
|
–
EUR
|
–
EUR
|
–
EUR
|
20,000,000.0
EUR
|
2,975,000,000.0
EUR
|
37,000,000.0
EUR
|
540,000,000.0
EUR
|
173,000,000.0
EUR
|
20,000,000.0
EUR
|
37,000,000.0
EUR
|
187,000,000.0
EUR
|
2,975,000,000.0
EUR
|
–
EUR
|
290,000,000.0
EUR
|
879,000,000.0
EUR
|
103,000,000.0
EUR
|
–
EUR
|
111,000,000.0
EUR
|
173,000,000.0
EUR
|
1,037,000,000.0
EUR
|
25,000,000.0
EUR
|
1,126,200.0
EUR
|
114,000,000.0
EUR
|
111,000,000.0
EUR
|
25,000,000.0
EUR
|
–
EUR
|
11,000,000.0
EUR
|
–
EUR
|
114,000,000.0
EUR
|
540,000,000.0
EUR
|
–
EUR
|
–
EUR
|
4,349,400.0
EUR
|
1,140,000,000.0
EUR
|
2,712,900.0
EUR
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — | — | — | — | — | — | — | — | — | — | — | — | — |
4,800,000,000.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
2,855,000,000.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other comprehensive income | — | — | — | — | — | — | — | — | — | — | — | — | — |
293,000,000.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
719,000,000.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income | — | — | — | — |
208,000,000.0
EUR
|
— |
238,000,000.0
EUR
|
— |
–
EUR
|
— | — |
103,000,000.0
EUR
|
25,000,000.0
EUR
|
5,094,000,000.0
EUR
|
111,000,000.0
EUR
|
120,000,000.0
EUR
|
— | — | — | — |
4,799,000,000.0
EUR
|
2,000,000.0
EUR
|
— |
5,092,000,000.0
EUR
|
— | — |
0.0
EUR
|
637,000,000.0
EUR
|
–
EUR
|
–
EUR
|
2,852,000,000.0
EUR
|
181,000,000.0
EUR
|
3,000,000.0
EUR
|
3,571,000,000.0
EUR
|
— | — |
103,000,000.0
EUR
|
— | — |
979,000,000.0
EUR
|
— |
155,000,000.0
EUR
|
8,000,000.0
EUR
|
–
EUR
|
— |
–
EUR
|
3,574,000,000.0
EUR
|
— | — | — | — | — |
–
EUR
|
— | — |
299,000,000.0
EUR
|
— |
162,000,000.0
EUR
|
— |
2,000,000.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — | — | — | — |
–
EUR
|
— |
–
EUR
|
— |
–
EUR
|
— | — |
–
EUR
|
–
EUR
|
4,600,000,000.0
EUR
|
–
EUR
|
–
EUR
|
— | — | — | — |
4,600,000,000.0
EUR
|
0.0
EUR
|
— |
4,600,000,000.0
EUR
|
— | — |
–
EUR
|
–
EUR
|
–
EUR
|
–
EUR
|
–
EUR
|
–
EUR
|
0.0
EUR
|
–
EUR
|
— | — |
–
EUR
|
— | — |
–
EUR
|
— |
–
EUR
|
–
EUR
|
–
EUR
|
— |
–
EUR
|
0.0
EUR
|
— | — | — | — | — |
–
EUR
|
— | — |
–
EUR
|
— |
–
EUR
|
— |
–
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity | — | — | — | — |
–
EUR
|
— |
–
EUR
|
— |
–
EUR
|
— | — |
–
EUR
|
–
EUR
|
19,000,000.0
EUR
|
–
EUR
|
–
EUR
|
— | — | — | — |
19,000,000.0
EUR
|
–
EUR
|
— |
19,000,000.0
EUR
|
— | — |
–
EUR
|
–
EUR
|
–
EUR
|
–
EUR
|
5,000,000.0
EUR
|
–
EUR
|
–
EUR
|
5,000,000.0
EUR
|
— | — |
–
EUR
|
— | — |
–
EUR
|
— |
–
EUR
|
–
EUR
|
–
EUR
|
— |
–
EUR
|
5,000,000.0
EUR
|
— | — | — | — | — |
–
EUR
|
— | — |
–
EUR
|
— |
–
EUR
|
— |
–
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity | — | — | — | — |
–
EUR
|
— |
–
EUR
|
— |
–
EUR
|
— | — |
–
EUR
|
–
EUR
|
0.0
EUR
|
–
EUR
|
–
EUR
|
— | — | — | — |
0.0
EUR
|
–
EUR
|
— |
0.0
EUR
|
— | — |
–
EUR
|
–
EUR
|
–
EUR
|
–
EUR
|
0.0
EUR
|
–
EUR
|
–
EUR
|
0.0
EUR
|
— | — |
–
EUR
|
— | — |
–
EUR
|
— |
–
EUR
|
–
EUR
|
–
EUR
|
— |
–
EUR
|
0.0
EUR
|
— | — | — | — | — |
–
EUR
|
— | — |
–
EUR
|
— |
–
EUR
|
— |
–
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — | — | — | — |
–
EUR
|
— |
–
EUR
|
— |
–
EUR
|
— | — |
–
EUR
|
–
EUR
|
11,000,000.0
EUR
|
–
EUR
|
–
EUR
|
— | — | — | — |
–
EUR
|
–
EUR
|
— |
11,000,000.0
EUR
|
— | — |
–
EUR
|
–
EUR
|
2,000,000.0
EUR
|
9,000,000.0
EUR
|
–
EUR
|
–
EUR
|
–
EUR
|
219,000,000.0
EUR
|
— | — |
–
EUR
|
— | — |
–
EUR
|
— |
–
EUR
|
–
EUR
|
–
EUR
|
— |
–
EUR
|
219,000,000.0
EUR
|
— | — | — | — | — |
219,000,000.0
EUR
|
— | — |
–
EUR
|
— |
–
EUR
|
— |
–
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |