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 |
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 |
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 |
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 |
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 |
2021-01-01 to 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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Equity |
12 457
EUR
|
— | — | — |
85,000,000
EUR
|
— | — | — |
16,000,000
EUR
|
50,000,000
EUR
|
12 247
EUR
|
674,000,000
EUR
|
54,000,000
EUR
|
303,000,000
EUR
|
— |
12 440
EUR
|
521,000,000
EUR
|
— | — |
25,000,000
EUR
|
— | — | — |
551,000,000
EUR
|
9 712
EUR
|
— | — | — |
9 412
EUR
|
— |
105,000,000
EUR
|
178,000,000
EUR
|
188,000,000
EUR
|
— | — |
125,000,000
EUR
|
— |
9 400
EUR
|
— |
50,000,000
EUR
|
54,000,000
EUR
|
12,000,000
EUR
|
— | — |
7 732
EUR
|
5,000,000
EUR
|
11,000,000
EUR
|
7 380
EUR
|
54,000,000
EUR
|
135,000,000
EUR
|
464,000,000
EUR
|
50,000,000
EUR
|
38,000,000
EUR
|
7 391
EUR
|
100,000,000
EUR
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — |
-
EUR
|
-
EUR
|
3 380
EUR
|
— |
3 367
EUR
|
13,000,000
EUR
|
-
EUR
|
— | — | — | — | — | — |
-
EUR
|
— | — |
-
EUR
|
3 367
EUR
|
— |
-
EUR
|
-
EUR
|
8,000,000
EUR
|
— | — |
-
EUR
|
-
EUR
|
2 445
EUR
|
— |
-
EUR
|
— | — | — |
-
EUR
|
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— | — | — |
2 454
EUR
|
2 445
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Other comprehensive income | — |
-
EUR
|
-
EUR
|
630,000,000
EUR
|
— |
-
EUR
|
1,000,000
EUR
|
129,000,000
EUR
|
— | — | — | — | — | — |
333,000,000
EUR
|
— | — |
41,000,000
EUR
|
628,000,000
EUR
|
— |
-
EUR
|
125,000,000
EUR
|
0
EUR
|
— | — |
110,000,000
EUR
|
-
EUR
|
127,000,000
EUR
|
— |
-
EUR
|
— | — | — |
9,000,000
EUR
|
141,000,000
EUR
|
— |
87,000,000
EUR
|
— |
-
EUR
|
— | — | — |
128,000,000
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income | — |
-
EUR
|
-
EUR
|
4 009
EUR
|
— |
3 367
EUR
|
14,000,000
EUR
|
129,000,000
EUR
|
— | — | — | — | — | — |
333,000,000
EUR
|
— | — |
41,000,000
EUR
|
3 996
EUR
|
— |
-
EUR
|
125,000,000
EUR
|
9,000,000
EUR
|
— | — |
110,000,000
EUR
|
-
EUR
|
2 573
EUR
|
— |
-
EUR
|
— | — | — |
9,000,000
EUR
|
141,000,000
EUR
|
— |
87,000,000
EUR
|
— |
-
EUR
|
— | — | — |
2 582
EUR
|
2 445
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — |
-
EUR
|
-
EUR
|
852,000,000
EUR
|
— |
845,000,000
EUR
|
8,000,000
EUR
|
-
EUR
|
— | — | — | — | — | — |
-
EUR
|
— | — |
-
EUR
|
845,000,000
EUR
|
— |
-
EUR
|
-
EUR
|
5,000,000
EUR
|
— | — |
-
EUR
|
-
EUR
|
485,000,000
EUR
|
— |
-
EUR
|
— | — | — |
-
EUR
|
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— | — | — |
490,000,000
EUR
|
485,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity | — |
-
EUR
|
-
EUR
|
46,000,000
EUR
|
— |
44,000,000
EUR
|
2,000,000
EUR
|
-
EUR
|
— | — | — | — | — | — |
-
EUR
|
— | — |
-
EUR
|
44,000,000
EUR
|
— |
-
EUR
|
-
EUR
|
2,000,000
EUR
|
— | — |
-
EUR
|
-
EUR
|
30,000,000
EUR
|
— |
-
EUR
|
— | — | — |
-
EUR
|
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— | — | — |
28,000,000
EUR
|
30,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through treasury share transactions, equity | — |
123,000,000
EUR
|
-
EUR
|
121,000,000
EUR
|
— |
2,000,000
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — | — |
-
EUR
|
— | — |
-
EUR
|
121,000,000
EUR
|
— |
-
EUR
|
-
EUR
|
-
EUR
|
— | — |
-
EUR
|
88,000,000
EUR
|
157,000,000
EUR
|
— |
-
EUR
|
— | — | — |
-
EUR
|
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— | — | — |
157,000,000
EUR
|
69,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — |
-
EUR
|
-
EUR
|
55,000,000
EUR
|
— |
55,000,000
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — | — |
-
EUR
|
— | — |
-
EUR
|
55,000,000
EUR
|
— |
-
EUR
|
-
EUR
|
-
EUR
|
— | — |
-
EUR
|
-
EUR
|
59,000,000
EUR
|
— |
-
EUR
|
— | — | — |
-
EUR
|
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— | — | — |
59,000,000
EUR
|
59,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |