Statement Of Changes In Equity [Abstract]
| Concept |
2021-10-01 to 2022-09-30 |
As at 2022-09-30 |
As at 2022-09-30 |
2021-10-01 to 2022-09-30 |
2021-10-01 to 2022-09-30 |
2021-10-01 to 2022-09-30 |
2021-10-01 to 2022-09-30 |
2021-10-01 to 2022-09-30 |
2021-10-01 to 2022-09-30 |
2021-10-01 to 2022-09-30 |
2021-10-01 to 2022-09-30 |
As at 2022-09-30 |
As at 2022-09-30 |
As at 2022-09-30 |
As at 2022-09-30 |
2021-10-01 to 2022-09-30 |
2021-10-01 to 2022-09-30 |
As at 2022-09-30 |
As at 2022-09-30 |
2021-10-01 to 2022-09-30 |
As at 2022-09-30 |
As at 2022-09-30 |
As at 2022-09-30 |
As at 2022-09-30 |
As at 2021-09-30 |
As at 2021-09-30 |
As at 2021-09-30 |
2020-10-01 to 2021-09-30 |
As at 2021-09-30 |
2020-10-01 to 2021-09-30 |
2020-10-01 to 2021-09-30 |
As at 2021-09-30 |
As at 2021-09-30 |
As at 2021-09-30 |
2020-10-01 to 2021-09-30 |
As at 2021-09-30 |
As at 2021-09-30 |
2020-10-01 to 2021-09-30 |
2020-10-01 to 2021-09-30 |
As at 2021-09-30 |
As at 2021-09-30 |
2020-10-01 to 2021-09-30 |
2020-10-01 to 2021-09-30 |
2020-10-01 to 2021-09-30 |
As at 2021-09-30 |
2020-10-01 to 2021-09-30 |
2020-10-01 to 2021-09-30 |
2020-10-01 to 2021-09-30 |
As at 2020-09-30 |
As at 2020-09-30 |
As at 2020-09-30 |
As at 2020-09-30 |
As at 2020-09-30 |
As at 2020-09-30 |
As at 2020-09-30 |
As at 2020-09-30 |
As at 2020-09-30 |
As at 2020-09-30 |
As at 2020-09-30 |
As at 2020-09-30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Equity | — |
404,000,000
EUR
|
7,410,300
EUR
|
— | — | — | — | — | — | — | — |
6,457,000,000
EUR
|
1,417,000,000
EUR
|
8,432,800
EUR
|
7,873,000,000
EUR
|
— | — |
1,785,200
EUR
|
1,050,400
EUR
|
— |
4,200,000,000
EUR
|
128,000,000
EUR
|
252,000,000
EUR
|
6,085,900
EUR
|
240,000,000
EUR
|
5,249,600
EUR
|
404,000,000
EUR
|
— |
7,301,900
EUR
|
— | — |
128,000,000
EUR
|
1,172,200
EUR
|
6,673,000,000
EUR
|
— |
1,085,800
EUR
|
8,525,700
EUR
|
— | — |
1,091,000
EUR
|
4,184,000,000
EUR
|
— | — | — |
1,099,400
EUR
|
— | — | — |
4,484,000,000
EUR
|
1,326,000
EUR
|
6,168,800
EUR
|
1,509,400
EUR
|
2,181,000,000
EUR
|
4,683,400
EUR
|
4,211,000
EUR
|
–
EUR
|
128,000,000
EUR
|
1,483,000,000
EUR
|
239,000,000
EUR
|
6,665,000,000
EUR
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) |
–
EUR
|
— | — |
2,773,000,000
EUR
|
–
EUR
|
2,773,000,000
EUR
|
646,000,000
EUR
|
–
EUR
|
2,773,000,000
EUR
|
–
EUR
|
–
EUR
|
— | — | — | — |
–
EUR
|
–
EUR
|
— | — |
2,126,000,000
EUR
|
— | — | — | — | — | — | — |
137,000,000
EUR
|
— |
–
EUR
|
2,467,200
EUR
|
— | — | — |
–
EUR
|
— | — |
–
EUR
|
2,467,200
EUR
|
— | — |
–
EUR
|
–
EUR
|
2,467,200
EUR
|
— |
–
EUR
|
–
EUR
|
2,480,900
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Other comprehensive income |
11,000,000
EUR
|
— | — |
2,201,000,000
EUR
|
807,000,000
EUR
|
4,213,000,000
EUR
|
565,000,000
EUR
|
–
EUR
|
4,213,000,000
EUR
|
–
EUR
|
1,216,000,000
EUR
|
— | — | — | — |
–
EUR
|
–
EUR
|
— | — |
4,778,000,000
EUR
|
— | — | — | — | — | — | — |
146,000,000
EUR
|
— |
1,538,000,000
EUR
|
1,169,000,000
EUR
|
— | — | — |
–
EUR
|
— | — |
–
EUR
|
1,448,000,000
EUR
|
— | — |
–
EUR
|
–
EUR
|
1,169,000,000
EUR
|
— |
1,000,000
EUR
|
1,079,000,000
EUR
|
1,315,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income |
11,000,000
EUR
|
— | — |
572,000,000
EUR
|
807,000,000
EUR
|
1,441,000,000
EUR
|
1,211,000,000
EUR
|
–
EUR
|
1,441,000,000
EUR
|
–
EUR
|
1,216,000,000
EUR
|
— | — | — | — |
–
EUR
|
–
EUR
|
— | — |
2,651,000,000
EUR
|
— | — | — | — | — | — | — |
9,000,000
EUR
|
— |
1,538,000,000
EUR
|
2,350,300
EUR
|
— | — | — |
–
EUR
|
— | — |
–
EUR
|
2,612,000
EUR
|
— | — |
–
EUR
|
–
EUR
|
2,350,400
EUR
|
— |
1,000,000
EUR
|
1,079,000,000
EUR
|
2,349,400
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Issue of equity |
–
EUR
|
— | — |
–
EUR
|
–
EUR
|
1,522,700
EUR
|
–
EUR
|
6,858,000,000
EUR
|
–
EUR
|
8,369,000,000
EUR
|
–
EUR
|
— | — | — | — |
–
EUR
|
–
EUR
|
— | — |
1,522,700
EUR
|
— | — | — | — | — | — | — |
–
EUR
|
— |
–
EUR
|
1,626,900
EUR
|
— | — | — |
5,090,000,000
EUR
|
— | — |
269,000,000
EUR
|
–
EUR
|
— | — |
–
EUR
|
1,091,000
EUR
|
–
EUR
|
— |
–
EUR
|
–
EUR
|
1,626,900
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners |
–
EUR
|
— | — |
–
EUR
|
–
EUR
|
–
EUR
|
9,000,000
EUR
|
–
EUR
|
–
EUR
|
–
EUR
|
–
EUR
|
— | — | — | — |
–
EUR
|
–
EUR
|
— | — |
9,000,000
EUR
|
— | — | — | — | — | — | — |
1,000,000
EUR
|
— |
–
EUR
|
–
EUR
|
— | — | — |
–
EUR
|
— | — |
–
EUR
|
–
EUR
|
— | — |
–
EUR
|
–
EUR
|
–
EUR
|
— |
–
EUR
|
–
EUR
|
1,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
–
EUR
|
— |
–
EUR
|
69,000,000
EUR
|
— | — | — |
–
EUR
|
— | — |
–
EUR
|
69,000,000
EUR
|
— | — |
–
EUR
|
–
EUR
|
69,000,000
EUR
|
— |
–
EUR
|
–
EUR
|
69,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity |
–
EUR
|
— | — |
2,000,000
EUR
|
–
EUR
|
2,000,000
EUR
|
–
EUR
|
–
EUR
|
2,000,000
EUR
|
–
EUR
|
–
EUR
|
— | — | — | — |
–
EUR
|
–
EUR
|
— | — |
2,000,000
EUR
|
— | — | — | — | — | — | — |
–
EUR
|
— |
–
EUR
|
3,000,000
EUR
|
— | — | — |
–
EUR
|
— | — |
–
EUR
|
3,000,000
EUR
|
— | — |
–
EUR
|
–
EUR
|
3,000,000
EUR
|
— |
–
EUR
|
–
EUR
|
3,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |