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 |
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 |
2022-01-01 to 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 |
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 |
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 |
2021-01-01 to 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||||||||||||||||||||||||||
| Equity |
2,658,900
EUR
|
— | — |
148,000,000
EUR
|
— | — | — | — |
6,691,000,000
EUR
|
1,856,200
EUR
|
684,000,000
EUR
|
247,000,000
EUR
|
1,989,800
EUR
|
— | — |
107,000,000
EUR
|
446,000,000
EUR
|
— | — |
433,000,000
EUR
|
1,204,900
EUR
|
684,000,000
EUR
|
— | — |
1,720,200
EUR
|
51,000,000
EUR
|
— | — | — |
281,000,000
EUR
|
1,260,300
EUR
|
4,599,000,000
EUR
|
231,000,000
EUR
|
— | — | — |
1,064,200
EUR
|
3,489,000,000
EUR
|
83,000,000
EUR
|
1,031,400
EUR
|
684,000,000
EUR
|
302,000,000
EUR
|
1,212,000,000
EUR
|
1,380,300
EUR
|
420,000,000
EUR
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — |
0
EUR
|
9,131,000,000
EUR
|
— |
6,781,000,000
EUR
|
2,350,000,000
EUR
|
0
EUR
|
0
EUR
|
— | — | — | — | — |
0
EUR
|
6,781,000,000
EUR
|
— | — |
0
EUR
|
1,081,000,000
EUR
|
— | — | — |
0
EUR
|
3,189,000,000
EUR
|
— | — |
0
EUR
|
0
EUR
|
0
EUR
|
— | — | — | — |
0
EUR
|
4,270,000,000
EUR
|
3,189,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Other comprehensive income | — |
0
EUR
|
735,000,000
EUR
|
— |
163,000,000
EUR
|
15,000,000
EUR
|
23,000,000
EUR
|
0
EUR
|
— | — | — | — | — |
133,000,000
EUR
|
750,000,000
EUR
|
— | — |
478,000,000
EUR
|
126,000,000
EUR
|
— | — | — |
134,000,000
EUR
|
869,000,000
EUR
|
— | — |
21,000,000
EUR
|
981,000,000
EUR
|
0
EUR
|
— | — | — | — |
0
EUR
|
995,000,000
EUR
|
0
EUR
|
— | — | — | — | — | — | — | — | — |
| Comprehensive income | — |
0
EUR
|
9,866,000,000
EUR
|
— |
6,943,000,000
EUR
|
2,335,000,000
EUR
|
23,000,000
EUR
|
0
EUR
|
— | — | — | — | — |
133,000,000
EUR
|
7,531,000,000
EUR
|
— | — |
478,000,000
EUR
|
1,207,000,000
EUR
|
— | — | — |
134,000,000
EUR
|
4,058,000,000
EUR
|
— | — |
21,000,000
EUR
|
981,000,000
EUR
|
0
EUR
|
— | — | — | — |
0
EUR
|
5,264,000,000
EUR
|
3,189,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — | — |
1,181,000,000
EUR
|
— |
859,000,000
EUR
|
323,000,000
EUR
|
— | — | — | — | — | — | — | — |
859,000,000
EUR
|
— | — | — |
175,000,000
EUR
|
— | — | — | — |
482,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
658,000,000
EUR
|
482,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity | — | — |
0
EUR
|
— |
0
EUR
|
0
EUR
|
— | — | — | — | — | — | — | — |
0
EUR
|
— | — | — |
3,000,000
EUR
|
— | — | — | — |
3,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
0
EUR
|
3,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
544,000,000
EUR
|
— | — | — | — |
0
EUR
|
— | — | — | — | — | — | — | — | — | — |
544,000,000
EUR
|
0
EUR
|
— | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — |
0
EUR
|
13,000,000
EUR
|
— |
0
EUR
|
0
EUR
|
— |
13,000,000
EUR
|
— | — | — | — | — | — |
13,000,000
EUR
|
— | — | — |
0
EUR
|
— | — | — | — |
13,000,000
EUR
|
— | — | — | — |
13,000,000
EUR
|
— | — | — | — |
0
EUR
|
13,000,000
EUR
|
0
EUR
|
— | — | — | — | — | — | — | — | — |
| Amount removed from reserve of cash flow hedges and included in initial cost or other carrying amount of non-financial asset (liability) or firm commitment for which fair value hedge accounting is applied | — |
0
EUR
|
59,000,000
EUR
|
— |
0
EUR
|
25,000,000
EUR
|
34,000,000
EUR
|
0
EUR
|
— | — | — | — | — |
0
EUR
|
34,000,000
EUR
|
— | — |
0
EUR
|
46,000,000
EUR
|
— | — | — |
191,000,000
EUR
|
191,000,000
EUR
|
— | — |
0
EUR
|
0
EUR
|
0
EUR
|
— | — | — | — |
0
EUR
|
237,000,000
EUR
|
0
EUR
|
— | — | — | — | — | — | — | — | — |