Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2021-12-31 |
|---|---|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||||
| Property, plant and equipment [abstract] | |||||
| Property, plant and equipment |
8,034,000,000
CZK
|
— | — |
8,762,000,000
CZK
|
— |
| Intangible assets and goodwill [abstract] | |||||
| Intangible assets other than goodwill [abstract] | |||||
| Intangible assets other than goodwill |
10,192,000,000
CZK
|
— | — |
9,030,000,000
CZK
|
— |
| Goodwill |
3,752,000,000
CZK
|
— | — |
3,752,000,000
CZK
|
— |
| Categories of financial assets [abstract] | |||||
| Financial assets at fair value through profit or loss [abstract] | |||||
| Financial assets at fair value through profit or loss, mandatorily measured at fair value |
0
CZK
|
— | — |
132,000,000
CZK
|
— |
| Financial assets at fair value through other comprehensive income [abstract] | |||||
| Financial assets at fair value through other comprehensive income |
16,783,000,000
CZK
|
— | — |
30,171,000,000
CZK
|
— |
| Financial assets at amortised cost |
1,397,423,000,000
CZK
|
— | — |
1,154,138,000,000
CZK
|
— |
| Cash and cash equivalents [abstract] | |||||
| Cash and cash equivalents |
8,592,000,000
CZK
|
— | — |
10,136,000,000
CZK
|
27,349,000,000
CZK
|
| Miscellaneous assets [abstract] | |||||
| Derivative financial assets | — | — | — | — | — |
| Derivative financial assets held for hedging |
8,598,000,000
CZK
|
— | — |
21,582,000,000
CZK
|
— |
| Cash and bank balances at central banks |
12,835,000,000
CZK
|
— | — |
14,190,000,000
CZK
|
— |
| Categories of financial liabilities [abstract] | |||||
| Financial liabilities at fair value through profit or loss [abstract] | |||||
| Financial liabilities at fair value through profit or loss that meet definition of held for trading |
60,206,000,000
CZK
|
— | — |
66,949,000,000
CZK
|
— |
| Financial liabilities at amortised cost |
1,247,773,000,000
CZK
|
— | — |
1,050,337,000,000
CZK
|
— |
| Miscellaneous liabilities [abstract] | |||||
| Derivative financial liabilities | — | — | — | — | — |
| Derivative financial liabilities held for hedging |
31,241,000,000
CZK
|
— | — |
56,746,000,000
CZK
|
— |
| Liabilities due to central banks |
0
CZK
|
— | — |
0
CZK
|
— |
| Subordinated liabilities [abstract] | |||||
| Dated subordinated liabilities |
64,560,000,000
CZK
|
— | — |
38,694,000,000
CZK
|
— |
| Issued capital [abstract] | |||||
| Issued capital |
19,005,000,000
CZK
|
— | — |
19,005,000,000
CZK
|
— |
| Retained earnings [abstract] | |||||
| Retained earnings, excluding profit (loss) for reporting period | — |
85,220,000,000
CZK
|
78,950,000,000
CZK
|
— | — |
| Net assets (liabilities) [abstract] | |||||
| Assets |
1,516,302,000,000
CZK
|
— | — |
1,305,304,000,000
CZK
|
— |
| Liabilities |
1,388,018,000,000
CZK
|
— | — |
1,180,628,000,000
CZK
|
— |
| Assets less current liabilities [abstract] |