Statement Of Changes In Equity [Abstract]
| Concept |
As at 2024-03-31 |
2023-04-01 to 2024-03-31 |
As at 2024-03-31 |
As at 2024-03-31 |
2023-04-01 to 2024-03-31 |
As at 2024-03-31 |
As at 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
As at 2024-03-31 |
2023-04-01 to 2024-03-31 |
As at 2024-03-31 |
As at 2024-03-31 |
As at 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
As at 2024-03-31 |
As at 2023-03-31 |
2022-04-01 to 2023-03-31 |
As at 2023-03-31 |
2022-04-01 to 2023-03-31 |
As at 2023-03-31 |
2022-04-01 to 2023-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
2022-04-01 to 2023-03-31 |
As at 2023-03-31 |
2022-04-01 to 2023-03-31 |
As at 2022-03-31 |
As at 2022-03-31 |
As at 2022-03-31 |
As at 2022-03-31 |
As at 2022-03-31 |
As at 2022-03-31 |
As at 2022-03-31 |
As at 2022-03-31 |
As at 2022-03-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||||||||||||||||||||||||||||
| Equity |
35,000,000
EUR
|
— |
3,173,600
EUR
|
2,888,400
EUR
|
— |
1,000,000
EUR
|
165,000,000
EUR
|
— | — |
3,790,000,000
EUR
|
— |
831,000,000
EUR
|
3,173,400
EUR
|
51,000,000
EUR
|
— | — | — | — |
29,000,000
EUR
|
45,000,000
EUR
|
— |
2,510,300
EUR
|
— |
78,000,000
EUR
|
— |
2,510,400
EUR
|
3,702,000,000
EUR
|
2,386,000,000
EUR
|
781,000,000
EUR
|
— | — | — | — |
1,000,000
EUR
|
2,306,600
EUR
|
— |
27,000,000
EUR
|
— |
1,438,000,000
EUR
|
2,462,100
EUR
|
86,000,000
EUR
|
213,000,000
EUR
|
3,647,000,000
EUR
|
2,462,100
EUR
|
18,000,000
EUR
|
2,264,000
EUR
|
84,000,000
EUR
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — | — | — | — |
1,050,900
EUR
|
— | — | — | — | — |
1,050,700
EUR
|
— | — | — | — |
1,050,900
EUR
|
2,000,000
EUR
|
— | — | — |
2,006,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
1,000,000
EUR
|
2,006,000,000
EUR
|
— | — | — | — | — |
2,005,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Other comprehensive income | — |
10,000,000
EUR
|
— | — |
735,000,000
EUR
|
— | — |
652,000,000
EUR
|
71,000,000
EUR
|
— |
735,000,000
EUR
|
— | — | — | — | — | — |
2,000,000
EUR
|
— | — |
950,000,000
EUR
|
— |
135,000,000
EUR
|
— |
41,000,000
EUR
|
— | — | — | — |
9,000,000
EUR
|
— | — | — | — | — |
865,000,000
EUR
|
— |
950,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Comprehensive income | — |
10,000,000
EUR
|
— | — |
9,774,000,000
EUR
|
— | — |
652,000,000
EUR
|
71,000,000
EUR
|
— |
9,772,000,000
EUR
|
— | — | — | — |
1,050,900
EUR
|
2,000,000
EUR
|
2,000,000
EUR
|
— | — |
2,956,000,000
EUR
|
— |
135,000,000
EUR
|
— |
41,000,000
EUR
|
— | — | — | — |
9,000,000
EUR
|
1,000,000
EUR
|
2,006,000,000
EUR
|
— | — | — |
865,000,000
EUR
|
— |
2,955,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Issue of equity | — | — | — | — |
104,000,000
EUR
|
— | — | — | — | — |
104,000,000
EUR
|
— | — | — |
88,000,000
EUR
|
16,000,000
EUR
|
— | — | — | — |
66,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
2,000,000
EUR
|
12,000,000
EUR
|
54,000,000
EUR
|
— | — | — | — |
68,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — | — | — | — |
2,266,000,000
EUR
|
— | — | — | — | — |
2,266,000,000
EUR
|
— | — | — | — |
2,266,000,000
EUR
|
— | — | — | — |
1,399,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
1,399,000,000
EUR
|
— | — | — | — | — |
1,399,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity | — | — | — | — |
28,000,000
EUR
|
— | — |
78,000,000
EUR
|
— | — |
27,000,000
EUR
|
— | — | — | — |
106,000,000
EUR
|
1,000,000
EUR
|
— | — | — |
14,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
14,000,000
EUR
|
— | — | — | — | — |
14,000,000
EUR
|
— | — | — | — | — | — | — | — | — |