Statement Of Changes In Equity [Abstract]
| Concept |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
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 |
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 |
2022-01-01 to 2022-12-31 |
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 |
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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||||||||||||||||||||||||||||||
| Equity | — |
4 360
EUR
|
— |
1 905
EUR
|
— | — | — |
785,000,000
EUR
|
— |
1 588
EUR
|
— |
245,000,000
EUR
|
163,000,000
EUR
|
3 575
EUR
|
4 612
EUR
|
— | — | — | — |
790,000,000
EUR
|
1 573
EUR
|
1 830
EUR
|
244,000,000
EUR
|
175,000,000
EUR
|
3 822
EUR
|
— | — | — |
3 364
EUR
|
346,000,000
EUR
|
1 575
EUR
|
343,000,000
EUR
|
1 906
EUR
|
243,000,000
EUR
|
1 560
EUR
|
243,000,000
EUR
|
12,000,000
EUR
|
12,000,000
EUR
|
4 491
EUR
|
343,000,000
EUR
|
12,000,000
EUR
|
3 695
EUR
|
796,000,000
EUR
|
14,000,000
EUR
|
1 560
EUR
|
793,000,000
EUR
|
3,000,000
EUR
|
14,000,000
EUR
|
4 157
EUR
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) |
300,000,000
EUR
|
— |
221,000,000
EUR
|
— |
79,000,000
EUR
|
221,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
295,000,000
EUR
|
230,000,000
EUR
|
65,000,000
EUR
|
— | — | — | — | — | — |
230,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other comprehensive income |
460,000,000
EUR
|
— |
410,000,000
EUR
|
— |
50,000,000
EUR
|
74,000,000
EUR
|
— | — |
336,000,000
EUR
|
— | — | — | — | — | — | — |
318,000,000
EUR
|
132,000,000
EUR
|
3,000,000
EUR
|
— | — | — | — | — | — |
321,000,000
EUR
|
— |
189,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income |
160,000,000
EUR
|
— |
189,000,000
EUR
|
— |
29,000,000
EUR
|
147,000,000
EUR
|
— | — |
336,000,000
EUR
|
— | — | — | — | — | — | — |
613,000,000
EUR
|
362,000,000
EUR
|
62,000,000
EUR
|
— | — | — | — | — | — |
551,000,000
EUR
|
— |
189,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Issue of equity |
16,000,000
EUR
|
— |
16,000,000
EUR
|
— | — | — |
15,000,000
EUR
|
— | — | — |
1,000,000
EUR
|
— | — | — | — |
1,000,000
EUR
|
14,000,000
EUR
|
— | — | — | — | — | — | — | — |
14,000,000
EUR
|
13,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners |
125,000,000
EUR
|
— |
92,000,000
EUR
|
— |
33,000,000
EUR
|
92,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
136,000,000
EUR
|
84,000,000
EUR
|
52,000,000
EUR
|
— | — | — | — | — | — |
84,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity |
1,000,000
EUR
|
— |
1,000,000
EUR
|
— |
2,000,000
EUR
|
1,000,000
EUR
|
— | — |
2,000,000
EUR
|
— | — | — | — | — | — | — |
12,000,000
EUR
|
1,000,000
EUR
|
11,000,000
EUR
|
— | — | — | — | — | — |
1,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through treasury share transactions, equity |
—
EUR
|
— |
—
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
50,000,000
EUR
|
50,000,000
EUR
|
— | — | — | — | — | — | — |
50,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity |
25,000,000
EUR
|
— |
25,000,000
EUR
|
— | — |
25,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
21,000,000
EUR
|
21,000,000
EUR
|
— | — | — | — | — | — | — |
21,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |