Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2020-12-31 |
As at 2020-01-01 |
As at 2019-12-31 |
As at 2019-01-01 |
|---|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | ||||
| Intangible assets and goodwill [abstract] | ||||
| Intangible assets and goodwill |
1 178 698
PLN
|
— |
955 440
PLN
|
— |
| 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 |
1 784 691
PLN
|
— |
2 267 922
PLN
|
— |
| Financial assets at fair value through other comprehensive income [abstract] | ||||
| Financial assets at fair value through other comprehensive income |
35 498 061
PLN
|
— |
22 773 921
PLN
|
— |
| Financial assets at amortised cost |
131 444 579
PLN
|
— |
118 779 885
PLN
|
— |
| Cash and cash equivalents [abstract] | ||||
| Cash and cash equivalents |
4 249 046
PLN
|
8 279 388
PLN
|
8 279 388
PLN
|
9 882 675
PLN
|
| Non-current assets or disposal groups classified as held for sale or as held for distribution to owners [abstract] | ||||
| Non-current assets or disposal groups classified as held for sale or as held for distribution to owners |
-
PLN
|
— |
10 651
PLN
|
— |
| Miscellaneous assets [abstract] | ||||
| Loans and advances | — | — | — | — |
| Loans and advances to banks |
7 354 268
PLN
|
— |
4 341 758
PLN
|
— |
| Cash and bank balances at central banks |
3 968 691
PLN
|
— |
7 897 010
PLN
|
— |
| Other assets |
1 282 439
PLN
|
— |
956 949
PLN
|
— |
| Categories of financial liabilities [abstract] | ||||
| Financial liabilities at amortised cost |
156 673 052
PLN
|
— |
137 763 369
PLN
|
— |
| Miscellaneous liabilities [abstract] | ||||
| Derivative financial liabilities |
1 338 564
PLN
|
— |
948 764
PLN
|
— |
| Subordinated liabilities [abstract] | ||||
| Subordinated liabilities |
2 578 327
PLN
|
— |
2 500 217
PLN
|
— |
| Debt instruments issued |
13 996 317
PLN
|
— |
17 435 143
PLN
|
— |
| Other liabilities |
3 397 133
PLN
|
— |
2 952 782
PLN
|
— |
| Issued capital [abstract] | ||||
| Issued capital |
169 468
PLN
|
— |
169 401
PLN
|
— |
| Retained earnings [abstract] | ||||
| Retained earnings |
12 501 597
PLN
|
— |
12 394 775
PLN
|
— |
| Net assets (liabilities) [abstract] | ||||
| Assets |
180 136 294
PLN
|
— |
158 720 583
PLN
|
— |
| Liabilities |
163 461 227
PLN
|
— |
142 567 278
PLN
|
— |
| Assets less current liabilities [abstract] |