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 |
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 |
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 |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
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 |
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 |
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 |
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 |
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 |
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 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 |
3,177,900
EUR
|
— | — | — | — | — | — |
127,000,000
EUR
|
244,000,000
EUR
|
2,955,900
EUR
|
1,341,000,000
EUR
|
1,600,000,000
EUR
|
1,050,000,000
EUR
|
3,165,200
EUR
|
— |
540,000,000
EUR
|
— | — |
244,000,000
EUR
|
— |
474,000,000
EUR
|
14,000,000
EUR
|
2,810,300
EUR
|
2,808,900
EUR
|
2,974,500
EUR
|
14,000,000
EUR
|
1,600,000,000
EUR
|
— | — |
-
EUR
|
— |
-
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
2,976,300
EUR
|
— |
39,000,000
EUR
|
325,000,000
EUR
|
14,000,000
EUR
|
325,000,000
EUR
|
— |
2,974,900
EUR
|
-
EUR
|
39,000,000
EUR
|
2,975,900
EUR
|
— |
244,000,000
EUR
|
1,600,000,000
EUR
|
4,000,000
EUR
|
474,000,000
EUR
|
4,000,000
EUR
|
— | — |
247,000,000
EUR
|
35,000,000
EUR
|
2,723,700
EUR
|
1,600,000,000
EUR
|
2,582,300
EUR
|
380,000,000
EUR
|
244,000,000
EUR
|
197,000,000
EUR
|
2,727,200
EUR
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — |
-
EUR
|
-
EUR
|
3,387,000,000
EUR
|
3,386,000,000
EUR
|
1,000,000
EUR
|
-
EUR
|
— | — | — | — | — | — | — |
3,386,000,000
EUR
|
— |
-
EUR
|
-
EUR
|
— |
11,000,000
EUR
|
— | — | — | — | — | — | — |
-
EUR
|
-
EUR
|
— |
2,524,000,000
EUR
|
— | — | — | — | — |
-
EUR
|
— | — | — | — |
-
EUR
|
— | — | — | — |
-
EUR
|
— | — | — | — | — |
2,513,000,000
EUR
|
2,524,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Other comprehensive income | — |
-
EUR
|
-
EUR
|
1,147,000,000
EUR
|
159,000,000
EUR
|
2,000,000
EUR
|
579,000,000
EUR
|
— | — | — | — | — | — | — |
1,145,000,000
EUR
|
— |
-
EUR
|
725,000,000
EUR
|
— |
-
EUR
|
— | — | — | — | — | — | — |
208,000,000
EUR
|
-
EUR
|
— |
470,000,000
EUR
|
— | — | — | — | — |
-
EUR
|
— | — | — | — |
128,000,000
EUR
|
— | — | — | — |
-
EUR
|
— | — | — | — | — |
470,000,000
EUR
|
134,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Comprehensive income | — |
-
EUR
|
-
EUR
|
4,534,000,000
EUR
|
3,227,000,000
EUR
|
3,000,000
EUR
|
579,000,000
EUR
|
— | — | — | — | — | — | — |
4,531,000,000
EUR
|
— |
-
EUR
|
725,000,000
EUR
|
— |
11,000,000
EUR
|
— | — | — | — | — | — | — |
208,000,000
EUR
|
-
EUR
|
— |
2,994,000,000
EUR
|
— | — | — | — | — |
-
EUR
|
— | — | — | — |
128,000,000
EUR
|
— | — | — | — |
-
EUR
|
— | — | — | — | — |
2,983,000,000
EUR
|
2,658,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — |
-
EUR
|
-
EUR
|
1,138,000,000
EUR
|
1,138,000,000
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — |
1,138,000,000
EUR
|
— |
-
EUR
|
-
EUR
|
— |
-
EUR
|
— | — | — | — | — | — | — |
-
EUR
|
-
EUR
|
— |
729,000,000
EUR
|
— | — | — | — | — |
-
EUR
|
— | — | — | — |
-
EUR
|
— | — | — | — |
-
EUR
|
— | — | — | — | — |
729,000,000
EUR
|
729,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity | — |
-
EUR
|
-
EUR
|
214,000,000
EUR
|
214,000,000
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — |
214,000,000
EUR
|
— |
-
EUR
|
-
EUR
|
— |
-
EUR
|
— | — | — | — | — | — | — |
-
EUR
|
-
EUR
|
— |
54,000,000
EUR
|
— | — | — | — | — |
-
EUR
|
— | — | — | — |
-
EUR
|
— | — | — | — |
-
EUR
|
— | — | — | — | — |
54,000,000
EUR
|
54,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Increase (decrease) through treasury share transactions, equity | — |
867,000,000
EUR
|
-
EUR
|
867,000,000
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — |
867,000,000
EUR
|
— |
-
EUR
|
-
EUR
|
— |
-
EUR
|
— | — | — | — | — | — | — |
-
EUR
|
94,000,000
EUR
|
— |
94,000,000
EUR
|
— | — | — | — | — |
-
EUR
|
— | — | — | — |
-
EUR
|
— | — | — | — |
-
EUR
|
— | — | — | — | — |
94,000,000
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — |
| Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity | — |
-
EUR
|
-
EUR
|
30,000,000
EUR
|
73,000,000
EUR
|
103,000,000
EUR
|
-
EUR
|
— | — | — | — | — | — | — |
73,000,000
EUR
|
— |
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |