Statement Of Changes In Equity [Abstract]
| Concept |
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 |
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 |
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 |
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 |
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 |
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 |
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 | — | — |
16 010
EUR
|
— |
14 268
EUR
|
— |
160,000,000
EUR
|
— | — |
798,000,000
EUR
|
— | — |
493,000,000
EUR
|
243,000,000
EUR
|
450,000,000
EUR
|
15 212
EUR
|
984,000,000
EUR
|
— |
14 783
EUR
|
— | — | — | — | — |
186,000,000
EUR
|
— | — |
785,000,000
EUR
|
13 195
EUR
|
1 028
EUR
|
496,000,000
EUR
|
165,000,000
EUR
|
13 998
EUR
|
— |
1 314
EUR
|
— |
380,000,000
EUR
|
1 655
EUR
|
11 469
EUR
|
13 715
EUR
|
165,000,000
EUR
|
13 326
EUR
|
389,000,000
EUR
|
82,000,000
EUR
|
499,000,000
EUR
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) |
EUR
|
3 074
EUR
|
— |
2 983
EUR
|
— |
91,000,000
EUR
|
— |
2 983
EUR
|
EUR
|
— |
EUR
|
EUR
|
— | — | — | — | — |
EUR
|
— |
EUR
|
EUR
|
3 718
EUR
|
3 614
EUR
|
104,000,000
EUR
|
— |
EUR
|
EUR
|
— | — | — | — | — | — |
3 614
EUR
|
— |
EUR
|
— | — | — | — | — | — | — | — | — |
| Other comprehensive income |
EUR
|
101,000,000
EUR
|
— |
104,000,000
EUR
|
— |
3,000,000
EUR
|
— |
EUR
|
26,000,000
EUR
|
— |
78,000,000
EUR
|
EUR
|
— | — | — | — | — |
EUR
|
— |
EUR
|
EUR
|
24,000,000
EUR
|
24,000,000
EUR
|
14,000,000
EUR
|
— |
21,000,000
EUR
|
EUR
|
— | — | — | — | — | — |
38,000,000
EUR
|
— |
83,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Comprehensive income |
EUR
|
2 973
EUR
|
— |
2 879
EUR
|
— |
94,000,000
EUR
|
— |
2 983
EUR
|
26,000,000
EUR
|
— |
78,000,000
EUR
|
EUR
|
— | — | — | — | — |
EUR
|
— |
EUR
|
EUR
|
3 694
EUR
|
3 638
EUR
|
118,000,000
EUR
|
— |
21,000,000
EUR
|
EUR
|
— | — | — | — | — | — |
3 576
EUR
|
— |
83,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners |
EUR
|
1 747
EUR
|
— |
1 705
EUR
|
— |
42,000,000
EUR
|
— |
1 705
EUR
|
EUR
|
— |
EUR
|
EUR
|
— | — | — | — | — |
EUR
|
— |
EUR
|
EUR
|
1 650
EUR
|
1 605
EUR
|
45,000,000
EUR
|
— |
EUR
|
EUR
|
— | — | — | — | — | — |
1 605
EUR
|
— |
EUR
|
— | — | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity |
5,000,000
EUR
|
46,000,000
EUR
|
— |
2,000,000
EUR
|
— |
48,000,000
EUR
|
— |
3,000,000
EUR
|
EUR
|
— |
EUR
|
EUR
|
— | — | — | — | — |
EUR
|
— |
EUR
|
EUR
|
375,000,000
EUR
|
352,000,000
EUR
|
23,000,000
EUR
|
— |
EUR
|
EUR
|
— | — | — | — | — | — |
352,000,000
EUR
|
— |
EUR
|
— | — | — | — | — | — | — | — | — |
| Increase (decrease) through treasury share transactions, equity |
230,000,000
EUR
|
13,000,000
EUR
|
— |
13,000,000
EUR
|
— | — | — |
217,000,000
EUR
|
EUR
|
— |
EUR
|
EUR
|
— | — | — | — | — |
EUR
|
— |
1 030
EUR
|
EUR
|
1 030
EUR
|
EUR
|
— | — |
EUR
|
EUR
|
— | — | — | — | — | — |
1 030
EUR
|
— |
EUR
|
— | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity |
10,000,000
EUR
|
25,000,000
EUR
|
— |
25,000,000
EUR
|
— |
–
EUR
|
— |
15,000,000
EUR
|
EUR
|
— |
EUR
|
EUR
|
— | — | — | — | — |
EUR
|
— |
EUR
|
EUR
|
45,000,000
EUR
|
45,000,000
EUR
|
–
EUR
|
— |
EUR
|
EUR
|
— | — | — | — | — | — |
45,000,000
EUR
|
— |
EUR
|
— | — | — | — | — | — | — | — | — |