Statement Of Financial Position [Abstract]

mBank S.A. - Filing #6069952

Concept	As at 2024-12-31	As at 2024-12-31	As at 2024-12-31	As at 2024-12-31	As at 2024-12-31	As at 2024-12-31	As at 2024-12-31	As at 2024-12-31	As at 2024-12-31	As at 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31
Statement of financial position [abstract]
Assets [abstract]
Investment property	—	—	—	—	—	—	- PLN	—	—	111 964 PLN	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Current tax assets	—	—	—	—	—	—	59 655 PLN	—	—	41 035 PLN	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Deferred tax assets	—	—	—	—	—	—	1 364 017 PLN	—	—	1 379 540 PLN	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Cash and cash equivalents	—	—	—	—	—	—	36 680 926 PLN	—	—	36 702 427 PLN	—	—	—	—	—	—	—	—	16 250 951 PLN	—	—	—	—	—	—	—	—
Assets	—	—	—	—	—	—	245 957 363 PLN	—	—	226 980 516 PLN	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Equity and liabilities [abstract]
Equity [abstract]
Issued capital	—	—	—	—	—	—	169 988 PLN	—	—	169 861 PLN	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Retained earnings	—	—	—	—	—	—	12 897 479 PLN	—	—	10 649 530 PLN	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Share premium	—	—	—	—	—	—	3 455 813 PLN	—	—	3 446 324 PLN	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Equity attributable to owners of parent	—	—	—	—	—	—	16 266 994 PLN	—	—	13 735 187 PLN	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Non-controlling interests	—	—	—	—	—	—	- PLN	—	—	2 039 PLN	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Equity	10 654 234 PLN	3 455 813 PLN	169 988 PLN	- PLN	16 266 994 PLN	1 500 000 PLN	17 766 994 PLN	256 286 PLN	2 243 245 PLN	13 737 226 PLN	10 625 476 PLN	24 054 PLN	2 039 PLN	3 446 324 PLN	169 861 PLN	- PLN	13 735 187 PLN	530 528 PLN	12 715 031 PLN	11 328 527 PLN	702 691 PLN	1 517 613 PLN	3 435 044 PLN	2 030 PLN	- PLN	169 734 PLN	12 713 001 PLN
Liabilities [abstract]
Provisions [abstract]
Provisions	—	—	—	—	—	—	3 277 171 PLN	—	—	2 345 584 PLN	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Current tax liabilities	—	—	—	—	—	—	238 277 PLN	—	—	201 184 PLN	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Liabilities included in disposal groups classified as held for sale	—	—	—	—	—	—	30 940 PLN	—	—	- PLN	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Liabilities	—	—	—	—	—	—	228 190 369 PLN	—	—	213 243 290 PLN	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Equity and liabilities	—	—	—	—	—	—	245 957 363 PLN	—	—	226 980 516 PLN	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—