Statement Of Changes In Equity [Abstract]
| Concept |
As at 2022-12-31 |
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 |
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 |
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 |
As at 2022-12-31 |
2022-01-01 to 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 |
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 |
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 |
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 |
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 |
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 |
230,000,000
EUR
|
3 214,2
EUR
|
— | — | — | — | — |
68,000,000
EUR
|
— | — | — |
8,000,000
EUR
|
2 440,9
EUR
|
8,682,000,000
EUR
|
17,000,000
EUR
|
2,301,000,000
EUR
|
4,046,000,000
EUR
|
3 213,4
EUR
|
542,000,000
EUR
|
— | — |
36,000,000
EUR
|
— | — | — |
16,000,000
EUR
|
160,000,000
EUR
|
5,815,000,000
EUR
|
— | — | — | — | — |
3 013,7
EUR
|
— |
22,000,000
EUR
|
— |
3,801,000,000
EUR
|
378,000,000
EUR
|
— |
13,000,000
EUR
|
3 013,0
EUR
|
— |
2 531,6
EUR
|
2,241,000,000
EUR
|
7,000,000
EUR
|
— | — |
21,000,000
EUR
|
68,000,000
EUR
|
3,876,000,000
EUR
|
6,000,000
EUR
|
2 807,7
EUR
|
2,218,000,000
EUR
|
378,000,000
EUR
|
12,000,000
EUR
|
112,000,000
EUR
|
4,098,000,000
EUR
|
2 575,6
EUR
|
2 808,3
EUR
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — | — |
0
EUR
|
0
EUR
|
2,046,000,000
EUR
|
2,046,000,000
EUR
|
0
EUR
|
— |
0
EUR
|
0
EUR
|
0
EUR
|
— | — | — | — | — | — | — | — |
2,046,000,000
EUR
|
0
EUR
|
— |
0
EUR
|
0
EUR
|
1,000,000
EUR
|
— | — | — |
0
EUR
|
0
EUR
|
0
EUR
|
1,143,000,000
EUR
|
0
EUR
|
— |
0
EUR
|
— |
0
EUR
|
— | — |
0
EUR
|
— | — |
0
EUR
|
— | — | — |
1,144,000,000
EUR
|
1,143,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Other comprehensive income | — | — |
0
EUR
|
0
EUR
|
278,000,000
EUR
|
29,000,000
EUR
|
0
EUR
|
— |
59,000,000
EUR
|
0
EUR
|
0
EUR
|
— | — | — | — | — | — | — | — |
278,000,000
EUR
|
55,000,000
EUR
|
— |
0
EUR
|
245,000,000
EUR
|
0
EUR
|
— | — | — |
44,000,000
EUR
|
0
EUR
|
0
EUR
|
489,000,000
EUR
|
0
EUR
|
— |
0
EUR
|
— |
1,000,000
EUR
|
— | — |
297,000,000
EUR
|
— | — |
0
EUR
|
— | — | — |
489,000,000
EUR
|
147,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income | — | — |
0
EUR
|
0
EUR
|
1,768,000,000
EUR
|
2,016,000,000
EUR
|
0
EUR
|
— |
59,000,000
EUR
|
0
EUR
|
0
EUR
|
— | — | — | — | — | — | — | — |
1,768,000,000
EUR
|
55,000,000
EUR
|
— |
0
EUR
|
245,000,000
EUR
|
1,000,000
EUR
|
— | — | — |
44,000,000
EUR
|
0
EUR
|
0
EUR
|
1,632,000,000
EUR
|
0
EUR
|
— |
0
EUR
|
— |
1,000,000
EUR
|
— | — |
297,000,000
EUR
|
— | — |
0
EUR
|
— | — | — |
1,633,000,000
EUR
|
1,291,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Issue of equity | — | — |
0
EUR
|
6,000,000
EUR
|
46,000,000
EUR
|
0
EUR
|
0
EUR
|
— |
0
EUR
|
0
EUR
|
0
EUR
|
— | — | — | — | — | — | — | — |
46,000,000
EUR
|
0
EUR
|
— |
40,000,000
EUR
|
0
EUR
|
0
EUR
|
— | — | — |
0
EUR
|
0
EUR
|
0
EUR
|
103,000,000
EUR
|
0
EUR
|
— |
93,000,000
EUR
|
— |
0
EUR
|
— | — |
0
EUR
|
— | — |
11,000,000
EUR
|
— | — | — |
103,000,000
EUR
|
0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — | — |
0
EUR
|
0
EUR
|
332,000,000
EUR
|
0
EUR
|
0
EUR
|
— |
0
EUR
|
0
EUR
|
0
EUR
|
— | — | — | — | — | — | — | — |
332,000,000
EUR
|
0
EUR
|
— |
332,000,000
EUR
|
0
EUR
|
0
EUR
|
— | — | — |
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
— |
0
EUR
|
— |
0
EUR
|
— | — |
0
EUR
|
— | — |
0
EUR
|
— | — | — |
0
EUR
|
0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity | — | — |
0
EUR
|
55,000,000
EUR
|
0
EUR
|
491,000,000
EUR
|
0
EUR
|
— |
0
EUR
|
0
EUR
|
70,000,000
EUR
|
— | — | — | — | — | — | — | — |
0
EUR
|
0
EUR
|
— |
616,000,000
EUR
|
0
EUR
|
0
EUR
|
— | — | — |
0
EUR
|
93,000,000
EUR
|
24,000,000
EUR
|
0
EUR
|
0
EUR
|
— |
533,000,000
EUR
|
— |
0
EUR
|
— | — |
0
EUR
|
— | — |
12,000,000
EUR
|
— | — | — |
0
EUR
|
403,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through treasury share transactions, equity | — | — |
1,000,000
EUR
|
0
EUR
|
1,000,000
EUR
|
0
EUR
|
0
EUR
|
— |
0
EUR
|
0
EUR
|
0
EUR
|
— | — | — | — | — | — | — | — |
1,000,000
EUR
|
0
EUR
|
— |
0
EUR
|
0
EUR
|
0
EUR
|
— | — | — |
0
EUR
|
0
EUR
|
72,000,000
EUR
|
72,000,000
EUR
|
0
EUR
|
— |
0
EUR
|
— |
0
EUR
|
— | — |
0
EUR
|
— | — |
0
EUR
|
— | — | — |
72,000,000
EUR
|
0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity | — | — |
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
— |
0
EUR
|
0
EUR
|
0
EUR
|
— | — | — | — | — | — | — | — |
0
EUR
|
0
EUR
|
— |
0
EUR
|
0
EUR
|
0
EUR
|
— | — | — |
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
— |
0
EUR
|
— |
0
EUR
|
— | — |
0
EUR
|
— | — |
0
EUR
|
— | — | — |
0
EUR
|
0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — | — |
0
EUR
|
0
EUR
|
203,000,000
EUR
|
203,000,000
EUR
|
0
EUR
|
— |
0
EUR
|
0
EUR
|
0
EUR
|
— | — | — | — | — | — | — | — |
203,000,000
EUR
|
0
EUR
|
— |
0
EUR
|
0
EUR
|
0
EUR
|
— | — | — |
0
EUR
|
0
EUR
|
0
EUR
|
244,000,000
EUR
|
0
EUR
|
— |
0
EUR
|
— |
0
EUR
|
— | — |
0
EUR
|
— | — |
0
EUR
|
— | — | — |
244,000,000
EUR
|
244,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |