Statement Of Changes In Equity [Abstract]

Santander Bank Polska S.A. - Filing #6143229

Concept	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2023-01-01	As at 2023-01-01	As at 2023-01-01	As at 2023-01-01	As at 2023-01-01	As at 2023-01-01	As at 2023-01-01	As at 2023-01-01	As at 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 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	2022-01-01 to 2022-12-31	As at 2022-01-01	As at 2022-01-01	As at 2022-01-01	As at 2022-01-01	As at 2022-01-01	As at 2022-01-01	As at 2022-01-01
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	—	—	33 691 018 PLN	—	5 942 238 PLN	298 688 PLN	—	25 097 202 PLN	—	—	—	1 928 373 PLN	—	1 021 893 PLN	- PLN	31 762 645 PLN	4 569 125 PLN	23 858 400 PLN	1 131 335 PLN	- PLN	1 797 255 PLN	28 318 083 PLN	1 021 893 PLN	30 115 338 PLN	28 465 348 PLN	—	—	—	—	—	—	23 858 400 PLN	2 781 325 PLN	1 797 255 PLN	4 569 125 PLN	- PLN	1 021 893 PLN	26 668 093 PLN	—	25 531 680 PLN	3 686 158 PLN	1 021 893 PLN	1 681 896 PLN	27 213 576 PLN	1 354 715 PLN	22 178 344 PLN
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	- PLN	4 947 829 PLN	—	4 831 107 PLN	—	—	116 722 PLN	—	- PLN	4 831 107 PLN	- PLN	—	- PLN	—	—	—	—	—	—	—	—	—	—	—	—	- PLN	3 008 775 PLN	2 799 098 PLN	209 677 PLN	- PLN	- PLN	—	—	—	—	—	—	—	2 799 098 PLN	—	—	—	—	—	—	—
Other comprehensive income	- PLN	2 506 094 PLN	—	2 461 079 PLN	—	—	45 015 PLN	—	- PLN	- PLN	2 461 079 PLN	—	- PLN	—	—	—	—	—	—	—	—	—	—	—	—	- PLN	1 391 868 PLN	- PLN	18 060 PLN	- PLN	1 373 808 PLN	—	—	—	—	—	—	—	1 373 808 PLN	—	—	—	—	—	—	—
Comprehensive income	- PLN	7 453 923 PLN	—	7 292 186 PLN	—	—	161 737 PLN	—	- PLN	4 831 107 PLN	2 461 079 PLN	—	- PLN	—	—	—	—	—	—	—	—	—	—	—	—	- PLN	1 616 907 PLN	2 799 098 PLN	191 617 PLN	- PLN	1 373 808 PLN	—	—	—	—	—	—	—	1 425 290 PLN	—	—	—	—	—	—	—
Dividends recognised as distributions to owners	- PLN	37 861 PLN	—	- PLN	—	—	37 861 PLN	—	- PLN	- PLN	- PLN	—	- PLN	—	—	—	—	—	—	—	—	—	—	—	—	- PLN	350 125 PLN	273 867 PLN	76 258 PLN	- PLN	- PLN	—	—	—	—	—	—	—	273 867 PLN	—	—	—	—	—	—	—
Increase (decrease) through other changes, equity	- PLN	34 847 PLN	—	27 605 PLN	—	—	7 242 PLN	—	651,000 PLN	6 698 PLN	21 558 PLN	—	- PLN	—	—	—	—	—	—	—	—	—	—	—	—	- PLN	15 010 PLN	- PLN	- PLN	- PLN	15 010 PLN	—	—	—	—	—	—	—	15 010 PLN	—	—	—	—	—	—	—
Increase (decrease) through share-based payment transactions, equity	- PLN	198 912 PLN	—	198 912 PLN	—	—	- PLN	—	198 912 PLN	- PLN	- PLN	—	- PLN	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—