Disclosure Of Analysis Of Other Comprehensive Income By Item [Text Block]

mBank S.A. - Filing #6069952

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
Disclosure of analysis of other comprehensive income by item [text block]	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Disclosure of analysis of other comprehensive income by item [abstract]
Disclosure of analysis of other comprehensive income by item [line items]
Other comprehensive income, net of tax, cash flow hedges	- PLN	- PLN	192 606 PLN	- PLN	- PLN	- PLN	- PLN	192 606 PLN	192 606 PLN	- PLN	482 405 PLN	- PLN	482 405 PLN	- PLN	- PLN	- PLN	- PLN	482 405 PLN
Other comprehensive income, net of tax, change in value of foreign currency basis spreads	- PLN	- PLN	7 012 PLN	- PLN	- PLN	- PLN	- PLN	7 012 PLN	7 012 PLN	- PLN	20 714 PLN	- PLN	20 714 PLN	- PLN	- PLN	- PLN	- PLN	20 714 PLN
Other comprehensive income, net of tax, financial assets measured at fair value through other comprehensive income	- PLN	- PLN	102 844 PLN	- PLN	- 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, net of tax, gains (losses) on remeasurements of defined benefit plans	- PLN	- PLN	8 376 PLN	- PLN	- PLN	- PLN	- PLN	8 376 PLN	8 376 PLN	- PLN	6 537 PLN	- PLN	6 537 PLN	- PLN	- PLN	- PLN	- PLN	6 537 PLN