Statement Of Changes In Equity [Abstract]
| Concept |
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 |
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 |
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 |
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 |
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 |
141,000,000
EUR
|
— | — |
2,757,400
EUR
|
— |
1,972,000
EUR
|
— | — |
6,901,000,000
EUR
|
— | — |
684,000,000
EUR
|
223,000,000
EUR
|
2,067,300
EUR
|
181,000,000
EUR
|
452,000,000
EUR
|
— | — |
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
|
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
|
684,000,000
EUR
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — |
2,900,000,000
EUR
|
— | — |
2,052,000,000
EUR
|
— |
849,000,000
EUR
|
2,052,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
9,131,000,000
EUR
|
— |
6,781,000,000
EUR
|
2,350,000,000
EUR
|
— | — | — | — | — | — | — |
6,781,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Other comprehensive income | — |
759,000,000
EUR
|
7,000,000
EUR
|
— |
697,000,000
EUR
|
— |
62,000,000
EUR
|
308,000,000
EUR
|
— |
470,000,000
EUR
|
0
EUR
|
— | — | — | — | — |
0
EUR
|
74,000,000
EUR
|
— |
0
EUR
|
735,000,000
EUR
|
— |
163,000,000
EUR
|
15,000,000
EUR
|
23,000,000
EUR
|
0
EUR
|
— | — | — | — | — |
750,000,000
EUR
|
133,000,000
EUR
|
— | — |
478,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Comprehensive income | — |
2,141,000,000
EUR
|
7,000,000
EUR
|
— |
1,354,000,000
EUR
|
— |
786,000,000
EUR
|
1,744,000,000
EUR
|
— |
470,000,000
EUR
|
0
EUR
|
— | — | — | — | — |
0
EUR
|
74,000,000
EUR
|
— |
0
EUR
|
9,866,000,000
EUR
|
— |
6,943,000,000
EUR
|
2,335,000,000
EUR
|
23,000,000
EUR
|
0
EUR
|
— | — | — | — | — |
7,531,000,000
EUR
|
133,000,000
EUR
|
— | — |
478,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — |
1,344,000,000
EUR
|
— | — |
982,000,000
EUR
|
— |
362,000,000
EUR
|
982,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
1,181,000,000
EUR
|
— |
859,000,000
EUR
|
323,000,000
EUR
|
— | — | — | — | — | — | — |
859,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity | — |
0
EUR
|
— | — |
0
EUR
|
— |
1,000,000
EUR
|
0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
0
EUR
|
— |
0
EUR
|
0
EUR
|
— | — | — | — | — | — | — |
0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — |
6,000,000
EUR
|
— | — |
6,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
6,000,000
EUR
|
— | — | — |
13,000,000
EUR
|
— | — | — | — |
13,000,000
EUR
|
— | — | — | — | — |
13,000,000
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 | — |
120,000,000
EUR
|
— | — |
106,000,000
EUR
|
— |
14,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
106,000,000
EUR
|
— | — |
59,000,000
EUR
|
— | — |
25,000,000
EUR
|
34,000,000
EUR
|
— | — | — | — | — | — |
34,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |