Statement Of Changes In Equity [Abstract]
| Concept |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 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 |
2021-04-01 to 2022-03-31 |
As at 2022-03-31 |
2021-04-01 to 2022-03-31 |
As at 2021-03-31 |
As at 2021-03-31 |
As at 2021-03-31 |
As at 2021-03-31 |
As at 2021-03-31 |
As at 2021-03-31 |
As at 2021-03-31 |
As at 2021-03-31 |
As at 2021-03-31 |
As at 2021-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
As at 2020-03-31 |
As at 2020-03-31 |
As at 2020-03-31 |
As at 2020-03-31 |
As at 2020-03-31 |
As at 2020-03-31 |
As at 2020-03-31 |
As at 2020-03-31 |
As at 2020-03-31 |
As at 2020-03-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||||||||||||||||||||||||||||
| Equity | — | — | — | — | — | — | — |
1,438,000,000
EUR
|
2,462,100
EUR
|
86,000,000
EUR
|
213,000,000
EUR
|
85,000,000
EUR
|
3,647,000,000
EUR
|
17,000,000
EUR
|
2,264,100
EUR
|
— |
2,462,100
EUR
|
— |
421,000,000
EUR
|
653,000,000
EUR
|
2,296,400
EUR
|
2,527,200
EUR
|
3,574,000,000
EUR
|
97,000,000
EUR
|
311,000,000
EUR
|
42,000,000
EUR
|
2,523,000
EUR
|
20,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
36,000,000
EUR
|
2,355,800
EUR
|
2,184,700
EUR
|
2,359,400
EUR
|
18,000,000
EUR
|
1,288,000,000
EUR
|
56,000,000
EUR
|
291,000,000
EUR
|
219,000,000
EUR
|
3,471,000,000
EUR
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) |
2,873,000,000
EUR
|
7,000,000
EUR
|
— |
2,873,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
2,880,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
4,160,000,000
EUR
|
— | — | — |
4,153,000,000
EUR
|
— |
7,000,000
EUR
|
4,153,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Other comprehensive income |
426,000,000
EUR
|
— |
3,000,000
EUR
|
— | — |
226,000,000
EUR
|
11,000,000
EUR
|
— | — | — | — | — | — | — | — |
426,000,000
EUR
|
— |
208,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
2,000,000
EUR
|
183,000,000
EUR
|
130,000,000
EUR
|
41,000,000
EUR
|
— | — |
92,000,000
EUR
|
— |
183,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Comprehensive income |
3,299,000,000
EUR
|
7,000,000
EUR
|
3,000,000
EUR
|
2,873,000,000
EUR
|
— |
226,000,000
EUR
|
11,000,000
EUR
|
— | — | — | — | — | — | — | — |
3,306,000,000
EUR
|
— |
208,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
2,000,000
EUR
|
3,977,000,000
EUR
|
130,000,000
EUR
|
41,000,000
EUR
|
— |
4,153,000,000
EUR
|
92,000,000
EUR
|
7,000,000
EUR
|
3,970,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Issue of equity |
86,000,000
EUR
|
— | — |
13,000,000
EUR
|
73,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
86,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
121,000,000
EUR
|
— | — |
103,000,000
EUR
|
18,000,000
EUR
|
— | — |
121,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners |
1,954,000,000
EUR
|
9,000,000
EUR
|
— |
1,954,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
1,963,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
1,839,000,000
EUR
|
— | — | — |
1,831,000,000
EUR
|
— |
8,000,000
EUR
|
1,831,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity |
28,000,000
EUR
|
— | — |
28,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
28,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
19,000,000
EUR
|
— | — | — |
19,000,000
EUR
|
— | — |
19,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity |
75,000,000
EUR
|
40,000,000
EUR
|
— |
75,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
115,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
84,000,000
EUR
|
— | — | — |
78,000,000
EUR
|
— |
6,000,000
EUR
|
78,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |