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 |
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 |
2022-01-01 to 2022-12-31 |
2021-01-01 to 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 |
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 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 |
13 186
EUR
|
— | — | — |
10 881
EUR
|
78,000,000
EUR
|
2 042
EUR
|
1 855
EUR
|
1 670
EUR
|
11 144
EUR
|
— | — | — | — | — | — | — | — |
11 830
EUR
|
— |
10 305
EUR
|
4,000,000
EUR
|
— |
1 990
EUR
|
1 940
EUR
|
10 251
EUR
|
1 579
EUR
|
— |
10 178
EUR
|
2 044
EUR
|
42,000,000
EUR
|
1 507
EUR
|
10 103
EUR
|
2 078
EUR
|
11 609
EUR
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||||||||
| Profit (loss) | — | — |
1 566
EUR
|
218,000,000
EUR
|
— | — | — | — | — | — |
1 348
EUR
|
— |
1 348
EUR
|
— |
229,000,000
EUR
|
— |
1 072
EUR
|
1 072
EUR
|
— | — | — | — | — | — | — | — | — |
1 301
EUR
|
— | — | — | — | — | — | — |
| Other comprehensive income | — | — |
595,000,000
EUR
|
128,000,000
EUR
|
— | — | — | — | — | — |
467,000,000
EUR
|
83,000,000
EUR
|
127,000,000
EUR
|
258,000,000
EUR
|
27,000,000
EUR
|
37,000,000
EUR
|
27,000,000
EUR
|
153,000,000
EUR
|
— |
88,000,000
EUR
|
— | — | — | — | — | — | — |
179,000,000
EUR
|
— | — | — | — | — | — | — |
| Comprehensive income | — | — |
2 161
EUR
|
346,000,000
EUR
|
— | — | — | — | — | — |
1 815
EUR
|
83,000,000
EUR
|
1 474
EUR
|
258,000,000
EUR
|
256,000,000
EUR
|
37,000,000
EUR
|
1 099
EUR
|
1 224
EUR
|
— |
88,000,000
EUR
|
— | — | — | — | — | — | — |
1 481
EUR
|
— | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — |
−
EUR
|
507,000,000
EUR
|
127,000,000
EUR
|
— | — | — | — | — | — |
380,000,000
EUR
|
— |
380,000,000
EUR
|
— |
198,000,000
EUR
|
— |
383,000,000
EUR
|
383,000,000
EUR
|
— | — | — | — |
−
EUR
|
— | — | — | — |
581,000,000
EUR
|
— | — | — | — | — | — | — |
| Increase (decrease) through treasury share transactions, equity | — | — |
96,000,000
EUR
|
−
EUR
|
— | — | — | — | — | — |
96,000,000
EUR
|
— |
96,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
−
EUR
|
— | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — | — |
22,000,000
EUR
|
1,000,000
EUR
|
— | — | — | — | — | — |
21,000,000
EUR
|
— |
21,000,000
EUR
|
— |
1,000,000
EUR
|
— |
25,000,000
EUR
|
25,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
26,000,000
EUR
|
— | — | — | — | — | — | — |