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 |
As at 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 |
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 |
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 |
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 |
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 |
2 866,5
EUR
|
— | — |
793,000,000
EUR
|
— |
299,000,000
EUR
|
1,003,000,000
EUR
|
3,931,000,000
EUR
|
2,366,000,000
EUR
|
662,000,000
EUR
|
1,501,000,000
EUR
|
— |
219,000,000
EUR
|
1 646,4
EUR
|
7,745,000,000
EUR
|
— | — | — |
1,986,000,000
EUR
|
2 747,6
EUR
|
— |
3 199,2
EUR
|
3,740,000,000
EUR
|
402,000,000
EUR
|
1 733,4
EUR
|
1 014,2
EUR
|
— | — | — |
1,216,000,000
EUR
|
1,003,000,000
EUR
|
250,000,000
EUR
|
1,661,000,000
EUR
|
662,000,000
EUR
|
— |
2 911,3
EUR
|
226,000,000
EUR
|
662,000,000
EUR
|
1,150,000,000
EUR
|
109,000,000
EUR
|
1,003,000,000
EUR
|
1,647,000,000
EUR
|
3,457,000,000
EUR
|
3 197,3
EUR
|
417,000,000
EUR
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — | — |
7,845,000,000
EUR
|
— |
100,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
7,745,000,000
EUR
|
85,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
1 014,2
EUR
|
— | — | — | — | — |
1 022,7
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Other comprehensive income | — | — |
80,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
1,689,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Comprehensive income | — | — |
7,925,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
1 191,5
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — | — |
1 087,8
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
1 087,8
EUR
|
— | — | — | — | — | — | — | — | — | — |
1 166,3
EUR
|
— | — | — | — | — | — | — |
1 166,3
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through treasury share transactions, equity | — |
500,000,000
EUR
|
500,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
458,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
458,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity | — | — |
65,000,000
EUR
|
— |
50,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
15,000,000
EUR
|
— |
61,000,000
EUR
|
— | — | — | — | — | — | — | — |
3,000,000
EUR
|
— | — | — | — | — | — | — |
58,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — |
120,000,000
EUR
|
191,000,000
EUR
|
— | — | — | — | — | — | — | — |
191,000,000
EUR
|
— | — | — |
120,000,000
EUR
|
— | — | — | — |
119,000,000
EUR
|
— | — | — | — | — |
119,000,000
EUR
|
283,000,000
EUR
|
— | — | — | — | — | — |
283,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |