Statement Of Cash Flows [Abstract]

mBank S.A. - Filing #6228923

Concept	As at 2021-12-31	2021-01-01 to 2021-12-31	As at 2021-01-01	As at 2020-12-31	2020-01-01 to 2020-12-31	As at 2020-01-01
Statement of cash flows [abstract]
Cash flows from (used in) operating activities [abstract]
Interest paid, classified as operating activities	—	234 411 PLN	—	—	694 825 PLN	—
Interest received, classified as operating activities	—	4 676 029 PLN	—	—	5 446 532 PLN	—
Income taxes paid (refund), classified as operating activities	—	837 687 PLN	—	—	444 196 PLN	—
Cash flows from (used in) operating activities	—	10 803 934 PLN	—	—	1 328 005 PLN	—
Cash flows from (used in) investing activities [abstract]
Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities	—	14 597 PLN	—	—	- PLN	—
Other cash receipts from sales of equity or debt instruments of other entities, classified as investing activities	—	5 147 PLN	—	—	7 807 PLN	—
Dividends received, classified as investing activities	—	5 046 PLN	—	—	4 926 PLN	—
Other inflows (outflows) of cash, classified as investing activities	—	- PLN	—	—	212,000 PLN	—
Cash flows from (used in) investing activities	—	508 006 PLN	—	—	444 346 PLN	—
Cash flows from (used in) financing activities [abstract]
Payments of lease liabilities, classified as financing activities	—	93 616 PLN	—	—	119 501 PLN	—
Interest paid, classified as financing activities	—	59 691 PLN	—	—	84 733 PLN	—
Cash flows from (used in) financing activities	—	1 994 726 PLN	—	—	4 944 884 PLN	—
Increase (decrease) in cash and cash equivalents before effect of exchange rate changes	—	8 301 202 PLN	—	—	4 061 225 PLN	—
Effect of exchange rate changes on cash and cash equivalents [abstract]
Effect of exchange rate changes on cash and cash equivalents	—	9 649 PLN	—	—	30 883 PLN	—
Cash and cash equivalents	12 540 599 PLN	—	4 249 046 PLN	4 249 046 PLN	—	8 279 388 PLN