Statement Of Changes In Equity [Abstract]
| Concept |
As at 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 |
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 2023-12-31 |
2023-01-01 to 2023-12-31 |
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 |
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 |
As at 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||||||||||||||||||||||||||
| Equity |
13,000,000
EUR
|
— | — |
4 237
EUR
|
— |
3 101
EUR
|
— | — | — |
5,000,000
EUR
|
— |
1 098
EUR
|
— |
159,000,000
EUR
|
117,000,000
EUR
|
4 232
EUR
|
4,000,000
EUR
|
— |
3 670
EUR
|
— | — |
5,000,000
EUR
|
— | — | — |
0
EUR
|
576,000,000
EUR
|
2 969
EUR
|
148,000,000
EUR
|
9,000,000
EUR
|
3 670
EUR
|
— | — |
27,000,000
EUR
|
— | — |
2 566
EUR
|
3 157
EUR
|
23,000,000
EUR
|
7,000,000
EUR
|
3 157
EUR
|
575,000,000
EUR
|
101,000,000
EUR
|
147,000,000
EUR
|
0
EUR
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — |
602,000,000
EUR
|
-
EUR
|
— |
602,000,000
EUR
|
— |
-
EUR
|
602,000,000
EUR
|
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— | — | — | — |
-
EUR
|
— |
-
EUR
|
643,000,000
EUR
|
— |
643,000,000
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — | — |
-
EUR
|
643,000,000
EUR
|
— |
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — |
| Other comprehensive income | — |
103,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
108,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income | — |
499,000,000
EUR
|
8,000,000
EUR
|
— |
499,000,000
EUR
|
— |
0
EUR
|
602,000,000
EUR
|
0
EUR
|
— |
126,000,000
EUR
|
— |
0
EUR
|
— | — | — | — |
31,000,000
EUR
|
— |
0
EUR
|
751,000,000
EUR
|
— |
643,000,000
EUR
|
0
EUR
|
4,000,000
EUR
|
— | — | — | — | — | — |
2,000,000
EUR
|
751,000,000
EUR
|
— |
0
EUR
|
110,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — |
227,000,000
EUR
|
-
EUR
|
— |
227,000,000
EUR
|
— |
-
EUR
|
227,000,000
EUR
|
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— | — | — | — |
-
EUR
|
— |
-
EUR
|
194,000,000
EUR
|
— |
194,000,000
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — | — |
-
EUR
|
194,000,000
EUR
|
— |
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity | — |
581,000,000
EUR
|
-
EUR
|
— |
581,000,000
EUR
|
— |
-
EUR
|
11,000,000
EUR
|
558,000,000
EUR
|
— |
-
EUR
|
— |
12,000,000
EUR
|
— | — | — | — |
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through treasury share transactions, equity | — |
366,000,000
EUR
|
-
EUR
|
— |
366,000,000
EUR
|
— |
-
EUR
|
328,000,000
EUR
|
36,000,000
EUR
|
— |
-
EUR
|
— |
2,000,000
EUR
|
— | — | — | — |
-
EUR
|
— |
-
EUR
|
146,000,000
EUR
|
— |
146,000,000
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — | — |
-
EUR
|
146,000,000
EUR
|
— |
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — |
| Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity | — |
16,000,000
EUR
|
-
EUR
|
— |
21,000,000
EUR
|
— |
5,000,000
EUR
|
21,000,000
EUR
|
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— | — | — | — |
-
EUR
|
— |
-
EUR
|
0
EUR
|
— |
-
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — | — |
-
EUR
|
0
EUR
|
— |
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — |
96,000,000
EUR
|
-
EUR
|
— |
96,000,000
EUR
|
— |
-
EUR
|
95,000,000
EUR
|
-
EUR
|
— |
-
EUR
|
— |
1,000,000
EUR
|
— | — | — | — |
-
EUR
|
— |
1,000,000
EUR
|
102,000,000
EUR
|
— |
100,000,000
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — | — |
-
EUR
|
102,000,000
EUR
|
— |
1,000,000
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — |