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 |
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 |
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 |
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 |
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 |
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 |
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 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 |
10,664,000,000
EUR
|
— | — |
332,000,000
EUR
|
— | — |
4,000,000
EUR
|
— |
1,786,000,000
EUR
|
7,846,000,000
EUR
|
— | — |
61,000,000
EUR
|
1,170,000,000
EUR
|
6,854,000,000
EUR
|
225,000,000
EUR
|
1,588,000,000
EUR
|
318,000,000
EUR
|
— |
76,000,000
EUR
|
— | — |
232,000,000
EUR
|
5,467,000,000
EUR
|
— | — |
8,851,000,000
EUR
|
1,786,000,000
EUR
|
— |
3,000,000
EUR
|
5,982,000,000
EUR
|
23,000,000
EUR
|
645,000,000
EUR
|
— | — | — |
421,000,000
EUR
|
112,000,000
EUR
|
1,170,000,000
EUR
|
1,588,000,000
EUR
|
— | — |
4,985,000,000
EUR
|
14,000,000
EUR
|
106,000,000
EUR
|
1,588,000,000
EUR
|
1,786,000,000
EUR
|
4,439,000,000
EUR
|
919,000,000
EUR
|
286,000,000
EUR
|
1,153,000,000
EUR
|
1,170,000,000
EUR
|
12,000,000
EUR
|
7,304,000,000
EUR
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — | — |
1,934,000,000
EUR
|
— |
1,905,000,000
EUR
|
29,000,000
EUR
|
— | — | — | — |
1,905,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
41,000,000
EUR
|
— | — | — | — | — | — |
948,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
989,000,000
EUR
|
948,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Other comprehensive income | — | — |
447,000,000
EUR
|
— | — |
2,000,000
EUR
|
— |
73,000,000
EUR
|
— | — |
446,000,000
EUR
|
19,000,000
EUR
|
— | — | — | — | — | — |
88,000,000
EUR
|
— |
304,000,000
EUR
|
9,000,000
EUR
|
— | — |
11,000,000
EUR
|
— | — | — |
1,008,000,000
EUR
|
— | — | — | — |
486,000,000
EUR
|
508,000,000
EUR
|
25,000,000
EUR
|
— | — | — | — |
1,017,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income | — | — |
2,382,000,000
EUR
|
— |
1,905,000,000
EUR
|
30,000,000
EUR
|
— |
73,000,000
EUR
|
— | — |
2,351,000,000
EUR
|
19,000,000
EUR
|
— | — | — | — | — | — |
88,000,000
EUR
|
— |
304,000,000
EUR
|
50,000,000
EUR
|
— | — |
11,000,000
EUR
|
— | — | — |
1,956,000,000
EUR
|
— | — | — | — |
486,000,000
EUR
|
508,000,000
EUR
|
25,000,000
EUR
|
— | — | — | — |
2,006,000,000
EUR
|
948,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — | — |
421,000,000
EUR
|
— |
403,000,000
EUR
|
18,000,000
EUR
|
— | — | — | — |
403,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
43,000,000
EUR
|
— | — | — | — | — | — |
389,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
432,000,000
EUR
|
389,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity | — | — |
87,000,000
EUR
|
— |
48,000,000
EUR
|
63,000,000
EUR
|
— |
0
EUR
|
— | — |
24,000,000
EUR
|
0
EUR
|
— | — | — | — | — | — |
1,000,000
EUR
|
— |
23,000,000
EUR
|
2,000,000
EUR
|
— | — |
0
EUR
|
— | — | — |
1,000,000
EUR
|
— | — | — | — |
12,000,000
EUR
|
0
EUR
|
14,000,000
EUR
|
— | — | — | — |
1,000,000
EUR
|
2,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through treasury share transactions, equity | — |
7,000,000
EUR
|
7,000,000
EUR
|
— | — | — | — | — | — | — |
7,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
54,000,000
EUR
|
— | — |
42,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
42,000,000
EUR
|
12,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — | — |
14,000,000
EUR
|
— |
14,000,000
EUR
|
— | — | — | — | — |
14,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
8,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
8,000,000
EUR
|
8,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |