Statement Of Comprehensive Income [Abstract]

mBank S.A. - Filing #6069935

Concept	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	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
Statement of comprehensive income [abstract]
Profit (loss)	123,000 PLN	- PLN	2 243 245 PLN	- PLN	2 243 368 PLN	- PLN	- PLN	- PLN	2 243 245 PLN	- PLN	24 058 PLN	24 054 PLN	- PLN	4,000 PLN	- PLN	- PLN	- PLN	24 054 PLN
Other comprehensive income [abstract]
Components of other comprehensive income that will not be reclassified to profit or loss, net of tax [abstract]
Other comprehensive income, net of tax, gains (losses) on remeasurements of defined benefit plans	- PLN	- PLN	- PLN	- PLN	8 376 PLN	- PLN	- PLN	8 376 PLN	8 376 PLN	- PLN	6 537 PLN	- PLN	6 537 PLN	- PLN	- PLN	- PLN	- PLN	6 537 PLN
Other comprehensive income that will not be reclassified to profit or loss, net of tax	—	—	—	—	8 376 PLN	—	—	—	—	—	6 537 PLN	—	—	—	—	—	—	—
Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract]
Exchange differences on translation [abstract]
Gains (losses) on exchange differences on translation of foreign operations, net of tax	- PLN	- PLN	- PLN	- PLN	5 820 PLN	- PLN	- PLN	5 820 PLN	5 820 PLN	- PLN	36 667 PLN	- PLN	36 667 PLN	- PLN	- PLN	- PLN	- PLN	36 667 PLN
Cash flow hedges [abstract]
Other comprehensive income, net of tax, cash flow hedges	- PLN	- PLN	- PLN	- PLN	192 606 PLN	- PLN	- PLN	192 606 PLN	192 606 PLN	- PLN	482 405 PLN	- PLN	482 405 PLN	- PLN	- PLN	- PLN	- PLN	482 405 PLN
Cost of hedging [abstract]
Change in value of foreign currency basis spreads [abstract]
Other comprehensive income, net of tax, change in value of foreign currency basis spreads	- PLN	- PLN	- PLN	- PLN	7 012 PLN	- PLN	- PLN	7 012 PLN	7 012 PLN	- PLN	20 714 PLN	- PLN	20 714 PLN	- PLN	- PLN	- PLN	- PLN	20 714 PLN
Financial assets measured at fair value through other comprehensive income [abstract]
Other comprehensive income, net of tax, financial assets measured at fair value through other comprehensive income	- PLN	- PLN	- PLN	- PLN	102 844 PLN	- PLN	- PLN	102 844 PLN	102 844 PLN	- PLN	568 598 PLN	- PLN	568 598 PLN	- PLN	- PLN	- PLN	- PLN	568 598 PLN
Other comprehensive income that will be reclassified to profit or loss, net of tax	—	—	—	—	282 618 PLN	—	—	—	—	—	993 622 PLN	—	—	—	—	—	—	—
Other comprehensive income	- PLN	- PLN	- PLN	- PLN	274 242 PLN	- PLN	- PLN	274 242 PLN	274 242 PLN	- PLN	987 085 PLN	- PLN	987 085 PLN	- PLN	- PLN	- PLN	- PLN	987 085 PLN
Comprehensive income	123,000 PLN	- PLN	2 243 245 PLN	- PLN	2 517 610 PLN	- PLN	- PLN	274 242 PLN	2 517 487 PLN	- PLN	1 011 143 PLN	24 054 PLN	987 085 PLN	4,000 PLN	- PLN	- PLN	- PLN	1 011 139 PLN
Comprehensive income attributable to [abstract]
Comprehensive income, attributable to owners of parent	—	—	—	—	2 517 487 PLN	—	—	—	—	—	1 011 139 PLN	—	—	—	—	—	—	—
Comprehensive income, attributable to non-controlling interests	—	—	—	—	123,000 PLN	—	—	—	—	—	4,000 PLN	—	—	—	—	—	—	—