Analysis Of Income And Expense [Abstract]
| Concept |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
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 |
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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||||||||||||||||||||
| Revenue [abstract] | ||||||||||||||||||||||||
| Interest income |
119,128,000,000
CZK
|
— | — | — | — | — | — | — | — | — | — | — | — |
93,146,000,000
CZK
|
— | — | — | — | — | — | — | — | — | — |
| Dividend income |
0
CZK
|
— | — | — | — | — | — | — | — | — | — | — | — |
2,000,000
CZK
|
— | — | — | — | — | — | — | — | — | — |
| Material income and expense [abstract] | ||||||||||||||||||||||||
| Interest expense |
93,533,000,000
CZK
|
— | — | — | — | — | — | — | — | — | — | — | — |
64,514,000,000
CZK
|
— | — | — | — | — | — | — | — | — | — |
| Interest income (expense) |
25,595,000,000
CZK
|
— | — | — | — | — | — | — | — | — | — | — | — |
28,632,000,000
CZK
|
— | — | — | — | — | — | — | — | — | — |
| Selling, general and administrative expense [abstract] | ||||||||||||||||||||||||
| General and administrative expense |
5,593,000,000
CZK
|
— | — | — | — | — | — | — | — | — | — | — | — |
5,257,000,000
CZK
|
— | — | — | — | — | — | — | — | — | — |
| Operating expense |
17,321,000,000
CZK
|
— | — | — | — | — | — | — | — | — | — | — | — |
16,014,000,000
CZK
|
— | — | — | — | — | — | — | — | — | — |
| Fee and commission income (expense) [abstract] | ||||||||||||||||||||||||
| Fee and commission income (expense) |
6,414,000,000
CZK
|
— | — | — | — | — | — | — | — | — | — | — | — |
6,121,000,000
CZK
|
— | — | — | — | — | — | — | — | — | — |
| Trading income (expense) [abstract] | ||||||||||||||||||||||||
| Trading income (expense) |
3,832,000,000
CZK
|
— | — | — | — | — | — | — | — | — | — | — | — |
3,666,000,000
CZK
|
— | — | — | — | — | — | — | — | — | — |
| Expenses by nature [abstract] | ||||||||||||||||||||||||
| Classes of employee benefits expense [abstract] | ||||||||||||||||||||||||
| Employee benefits expense |
8,335,000,000
CZK
|
— | — | — | — | — | — | — | — | — | — | — | — |
7,734,000,000
CZK
|
— | — | — | — | — | — | — | — | — | — |
| Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss [abstract] | ||||||||||||||||||||||||
| Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss |
3,393,000,000
CZK
|
— | — | — | — | — | — | — | — | — | — | — | — |
3,023,000,000
CZK
|
— | — | — | — | — | — | — | — | — | — |
| Miscellaneous other comprehensive income [abstract] | ||||||||||||||||||||||||
| Other comprehensive income, net of tax, exchange differences on translation of foreign operations and hedges of net investments in foreign operations [abstract] | ||||||||||||||||||||||||
| Other comprehensive income, net of tax, hedges of net investments in foreign operations |
21,000,000
CZK
|
— | — | — | — | — | — | — | — | — | — | — | — |
18,000,000
CZK
|
— | — | — | — | — | — | — | — | — | — |
| Other comprehensive income, before tax, exchange differences on translation of foreign operations and hedges of net investments in foreign operations [abstract] | ||||||||||||||||||||||||
| Other comprehensive income, before tax, exchange differences on translation of foreign operations |
29,000,000
CZK
|
— | — | — | — | — | — | — | — | — | — | — | — |
18,000,000
CZK
|
— | — | — | — | — | — | — | — | — | — |
| Share of profit (loss) of associates and joint ventures accounted for using equity method [abstract] | ||||||||||||||||||||||||
| Share of profit (loss) of associates and joint ventures accounted for using equity method |
330,000,000
CZK
|
— | — | — | — | — | — | — | — | — | — | — | — |
216,000,000
CZK
|
— | — | — | — | — | — | — | — | — | — |
| Share of other comprehensive income of associates and joint ventures accounted for using equity method, net of tax [abstract] | ||||||||||||||||||||||||
| Share of other comprehensive income of associates and joint ventures accounted for using equity method that will be reclassified to profit or loss, net of tax |
26,000,000
CZK
|
— | — | — | — | — | — | — | — | — | — | — | — |
36,000,000
CZK
|
— | — | — | — | — | — | — | — | — | — |
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||||||||||||||
| Comprehensive income |
15,181,000,000
CZK
|
2,000,000
CZK
|
14,971,000,000
CZK
|
9,000,000
CZK
|
210,000,000
CZK
|
0
CZK
|
0
CZK
|
277,000,000
CZK
|
0
CZK
|
5,000,000
CZK
|
15,638,000,000
CZK
|
388,000,000
CZK
|
0
CZK
|
16,080,000,000
CZK
|
213,000,000
CZK
|
17,586,000,000
CZK
|
4,000,000
CZK
|
0
CZK
|
652,000,000
CZK
|
1,000,000
CZK
|
1,080,000,000
CZK
|
8,000,000
CZK
|
0
CZK
|
15,867,000,000
CZK
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||||||||||||||||
| Comprehensive income, attributable to owners of parent |
14,971,000,000
CZK
|
— | — | — | — | — | — | — | — | — | — | — | — |
15,867,000,000
CZK
|
— | — | — | — | — | — | — | — | — | — |
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | ||||||||||||||||||||||||
| Comprehensive income, attributable to non-controlling interests |
210,000,000
CZK
|
— | — | — | — | — | — | — | — | — | — | — | — |
213,000,000
CZK
|
— | — | — | — | — | — | — | — | — | — |