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 |
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 |
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 |
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 |
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 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Equity |
4 612
EUR
|
— | — | — | — |
790,000,000
EUR
|
1 573
EUR
|
1 830
EUR
|
244,000,000
EUR
|
175,000,000
EUR
|
3 822
EUR
|
— | — | — |
12,000,000
EUR
|
— |
346,000,000
EUR
|
343,000,000
EUR
|
1 906
EUR
|
1 560
EUR
|
12,000,000
EUR
|
12,000,000
EUR
|
243,000,000
EUR
|
— |
4 491
EUR
|
— |
343,000,000
EUR
|
14,000,000
EUR
|
14,000,000
EUR
|
— |
4 157
EUR
|
3 364
EUR
|
1 575
EUR
|
3 695
EUR
|
— |
1 560
EUR
|
243,000,000
EUR
|
796,000,000
EUR
|
793,000,000
EUR
|
3,000,000
EUR
|
— | — |
1 727
EUR
|
756,000,000
EUR
|
3 243
EUR
|
242,000,000
EUR
|
271,000,000
EUR
|
1 545
EUR
|
3 999
EUR
|
17,000,000
EUR
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — | — |
295,000,000
EUR
|
230,000,000
EUR
|
65,000,000
EUR
|
— | — | — | — | — | — |
230,000,000
EUR
|
— | — | — |
70,000,000
EUR
|
— | — | — | — | — | — | — |
175,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
245,000,000
EUR
|
175,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Other comprehensive income | — | — |
318,000,000
EUR
|
132,000,000
EUR
|
3,000,000
EUR
|
— | — | — | — | — | — |
321,000,000
EUR
|
— |
189,000,000
EUR
|
— |
16,000,000
EUR
|
— | — | — | — | — | — | — |
317,000,000
EUR
|
— | — | — | — | — |
257,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
333,000,000
EUR
|
60,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Comprehensive income | — | — |
613,000,000
EUR
|
362,000,000
EUR
|
62,000,000
EUR
|
— | — | — | — | — | — |
551,000,000
EUR
|
— |
189,000,000
EUR
|
— |
86,000,000
EUR
|
— | — | — | — | — | — | — |
492,000,000
EUR
|
— | — | — | — | — |
257,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
578,000,000
EUR
|
235,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Issue of equity | — |
1,000,000
EUR
|
14,000,000
EUR
|
— | — | — | — | — | — | — | — |
14,000,000
EUR
|
13,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
16,000,000
EUR
|
— |
15,000,000
EUR
|
— | — | — | — | — | — | — | — |
1,000,000
EUR
|
— | — | — | — | — |
16,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — | — |
136,000,000
EUR
|
84,000,000
EUR
|
52,000,000
EUR
|
— | — | — | — | — | — |
84,000,000
EUR
|
— | — | — |
37,000,000
EUR
|
— | — | — | — | — | — | — |
72,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
109,000,000
EUR
|
72,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity | — | — |
12,000,000
EUR
|
1,000,000
EUR
|
11,000,000
EUR
|
— | — | — | — | — | — |
1,000,000
EUR
|
— | — | — |
9,000,000
EUR
|
— | — | — | — | — | — | — |
13,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
22,000,000
EUR
|
13,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Increase (decrease) through treasury share transactions, equity | — | — |
50,000,000
EUR
|
50,000,000
EUR
|
— | — | — | — | — | — | — |
50,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
—
EUR
|
— | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — | — |
21,000,000
EUR
|
21,000,000
EUR
|
— | — | — | — | — | — | — |
21,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
28,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
28,000,000
EUR
|
28,000,000
EUR
|
— | — | — | — | — | — | — | — |