Statement Of Changes In Equity [Abstract]
| Concept |
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 |
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 |
2020-10-01 to 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 |
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 |
As at 2021-09-30 |
As at 2021-09-30 |
2020-10-01 to 2021-09-30 |
2020-10-01 to 2021-09-30 |
2019-10-01 to 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 |
2019-10-01 to 2020-09-30 |
As at 2020-09-30 |
As at 2020-09-30 |
As at 2020-09-30 |
2019-10-01 to 2020-09-30 |
2019-10-01 to 2020-09-30 |
2019-10-01 to 2020-09-30 |
2019-10-01 to 2020-09-30 |
2019-10-01 to 2020-09-30 |
2019-10-01 to 2020-09-30 |
2019-10-01 to 2020-09-30 |
2019-10-01 to 2020-09-30 |
2019-10-01 to 2020-09-30 |
As at 2020-09-30 |
As at 2020-09-30 |
2019-10-01 to 2020-09-30 |
As at 2019-09-30 |
As at 2019-09-30 |
As at 2019-09-30 |
As at 2019-09-30 |
As at 2019-09-30 |
As at 2019-09-30 |
As at 2019-09-30 |
As at 2019-09-30 |
As at 2019-09-30 |
As at 2019-09-30 |
As at 2019-09-30 |
As at 2019-09-30 |
As at 2019-09-30 |
As at 2019-09-30 |
As at 2019-09-30 |
As at 2019-09-30 |
As at 2019-09-30 |
As at 2019-09-30 |
As at 2019-09-30 |
As at 2019-09-30 |
As at 2019-09-30 |
As at 2019-09-30 |
As at 2019-09-30 |
As at 2019-09-30 |
As at 2019-09-30 |
As at 2019-09-30 |
As at 2019-09-30 |
As at 2019-09-30 |
As at 2019-09-30 |
As at 2019-09-30 |
As at 2019-09-30 |
As at 2019-09-30 |
As at 2019-09-30 |
As at 2019-09-30 |
As at 2019-09-30 |
As at 2019-09-30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Equity |
4,184,000,000
EUR
|
— | — | — | — |
1,099,400
EUR
|
— | — |
240,000,000
EUR
|
5,249,600
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
|
404,000,000
EUR
|
1,091,000
EUR
|
— | — | — |
1,509,400
EUR
|
2,181,000,000
EUR
|
4,683,300
EUR
|
4,211,000
EUR
|
239,000,000
EUR
|
1,484,000,000
EUR
|
6,665,000,000
EUR
|
— |
4,484,000,000
EUR
|
1,326,000
EUR
|
6,168,800
EUR
|
— | — | — | — | — | — | — | — | — |
–
EUR
|
128,000,000
EUR
|
— |
4,207,500
EUR
|
4,151,800
EUR
|
–
EUR
|
135,000,000
EUR
|
851,000,000
EUR
|
37,000,000
EUR
|
1,185,200
EUR
|
–
EUR
|
137,000,000
EUR
|
–
EUR
|
137,000,000
EUR
|
–
EUR
|
–
EUR
|
–
EUR
|
–
EUR
|
1,505,800
EUR
|
1,171,500
EUR
|
4,207,500
EUR
|
37,000,000
EUR
|
1,190,000
EUR
|
137,000,000
EUR
|
3,454,100
EUR
|
–
EUR
|
7,114,000,000
EUR
|
4,165,500
EUR
|
851,000,000
EUR
|
2,259,200
EUR
|
135,000,000
EUR
|
–
EUR
|
–
EUR
|
137,000,000
EUR
|
3,440,400
EUR
|
7,114,000,000
EUR
|
1,505,800
EUR
|
1,190,000
EUR
|
2,272,900
EUR
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — |
2,480,900
EUR
|
–
EUR
|
2,467,200
EUR
|
2,467,200
EUR
|
— |
–
EUR
|
–
EUR
|
— | — |
137,000,000
EUR
|
— |
–
EUR
|
— |
2,467,200
EUR
|
— | — |
–
EUR
|
— | — | — | — |
–
EUR
|
–
EUR
|
3,139,100
EUR
|
— | — | — | — | — | — | — |
3,148,500
EUR
|
— | — | — |
–
EUR
|
–
EUR
|
–
EUR
|
3,148,500
EUR
|
3,148,500
EUR
|
–
EUR
|
–
EUR
|
–
EUR
|
–
EUR
|
— | — |
94,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other comprehensive income | — |
1,315,000,000
EUR
|
–
EUR
|
1,448,000,000
EUR
|
1,169,000,000
EUR
|
— |
1,000,000
EUR
|
1,080,000,000
EUR
|
— | — |
146,000,000
EUR
|
— |
1,538,000,000
EUR
|
— |
1,169,000,000
EUR
|
— | — |
–
EUR
|
— | — | — | — |
–
EUR
|
–
EUR
|
4,847,000,000
EUR
|
— | — | — | — | — | — | — |
4,319,000,000
EUR
|
— | — | — |
7,000,000
EUR
|
2,335,000,000
EUR
|
–
EUR
|
4,319,000,000
EUR
|
341,000,000
EUR
|
–
EUR
|
276,000,000
EUR
|
1,360,000,000
EUR
|
–
EUR
|
— | — |
528,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income | — |
2,349,400
EUR
|
–
EUR
|
2,612,000
EUR
|
2,350,300
EUR
|
— |
1,000,000
EUR
|
1,080,000,000
EUR
|
— | — |
9,000,000
EUR
|
— |
1,538,000,000
EUR
|
— |
2,350,300
EUR
|
— | — |
–
EUR
|
— | — | — | — |
–
EUR
|
–
EUR
|
3,623,800
EUR
|
— | — | — | — | — | — | — |
3,580,400
EUR
|
— | — | — |
7,000,000
EUR
|
2,335,000,000
EUR
|
–
EUR
|
3,580,400
EUR
|
3,182,600
EUR
|
–
EUR
|
276,000,000
EUR
|
1,360,000,000
EUR
|
–
EUR
|
— | — |
434,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Issue of equity | — |
1,626,900
EUR
|
269,000,000
EUR
|
–
EUR
|
–
EUR
|
— |
–
EUR
|
–
EUR
|
— | — |
–
EUR
|
— |
–
EUR
|
— |
1,626,900
EUR
|
— | — |
5,090,000,000
EUR
|
— | — | — | — |
1,091,000
EUR
|
–
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — |
1,000,000
EUR
|
–
EUR
|
–
EUR
|
–
EUR
|
— |
–
EUR
|
–
EUR
|
— | — |
1,000,000
EUR
|
— |
–
EUR
|
— |
–
EUR
|
— | — |
–
EUR
|
— | — | — | — |
–
EUR
|
–
EUR
|
3,183,000,000
EUR
|
— | — | — | — | — | — | — |
3,181,000,000
EUR
|
— | — | — |
–
EUR
|
–
EUR
|
–
EUR
|
3,181,000,000
EUR
|
3,181,000,000
EUR
|
–
EUR
|
–
EUR
|
–
EUR
|
–
EUR
|
— | — |
2,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity | — |
69,000,000
EUR
|
–
EUR
|
69,000,000
EUR
|
69,000,000
EUR
|
— |
–
EUR
|
–
EUR
|
— | — |
–
EUR
|
— |
–
EUR
|
— |
69,000,000
EUR
|
— | — |
–
EUR
|
— | — | — | — |
–
EUR
|
–
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
16,000,000
EUR
|
— | — | — | — | — | — | — |
3,000,000
EUR
|
— | — | — |
–
EUR
|
–
EUR
|
–
EUR
|
3,000,000
EUR
|
3,000,000
EUR
|
–
EUR
|
–
EUR
|
–
EUR
|
–
EUR
|
— | — |
13,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — |
3,000,000
EUR
|
–
EUR
|
3,000,000
EUR
|
3,000,000
EUR
|
— |
–
EUR
|
–
EUR
|
— | — |
–
EUR
|
— |
–
EUR
|
— |
3,000,000
EUR
|
— | — |
–
EUR
|
— | — | — | — |
–
EUR
|
–
EUR
|
29,000,000
EUR
|
— | — | — | — | — | — | — |
29,000,000
EUR
|
— | — | — |
–
EUR
|
–
EUR
|
–
EUR
|
29,000,000
EUR
|
29,000,000
EUR
|
–
EUR
|
–
EUR
|
–
EUR
|
–
EUR
|
— | — |
–
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |