Statement Of Changes In Equity [Abstract]

Komercni Banka A.S. - Filing #6018189

Concept	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	As at 2024-12-31	2024-01-01 to 2024-12-31	As at 2024-12-31	As at 2024-12-31	2024-01-01 to 2024-12-31	As at 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	As at 2024-12-31	As at 2024-12-31	2024-01-01 to 2024-12-31	As at 2024-12-31	As at 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	As at 2024-12-31	As at 2024-12-31	As at 2024-12-31	2024-01-01 to 2024-12-31	As at 2024-12-31	As at 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	2023-01-01 to 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	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 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	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 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	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	—	—	5,000,000 CZK	—	19,005,000,000 CZK	3,379,000,000 CZK	—	126,658,000,000 CZK	—	—	—	172,000,000 CZK	605,000,000 CZK	—	4,000,000 CZK	11,000,000 CZK	—	—	—	577,000,000 CZK	107,685,000,000 CZK	130,037,000,000 CZK	—	212,000,000 CZK	214,000,000 CZK	—	—	128,284,000,000 CZK	—	—	4,000,000 CZK	—	3,226,000,000 CZK	—	19,005,000,000 CZK	—	577,000,000 CZK	106,045,000,000 CZK	208,000,000 CZK	584,000,000 CZK	—	3,000,000 CZK	14,000,000 CZK	—	—	—	125,058,000,000 CZK	—	124,676,000,000 CZK	216,000,000 CZK	5,000,000 CZK	291,000,000 CZK	3,232,000,000 CZK	563,000,000 CZK	19,005,000,000 CZK	121,444,000,000 CZK	8,000,000 CZK	577,000,000 CZK	101,785,000,000 CZK	596,000,000 CZK
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	17,243,000,000 CZK	0 CZK	—	0 CZK	—	—	164,000,000 CZK	—	17,407,000,000 CZK	0 CZK	0 CZK	—	—	0 CZK	—	—	0 CZK	0 CZK	17,243,000,000 CZK	—	—	—	0 CZK	—	—	15,819,000,000 CZK	0 CZK	—	15,612,000,000 CZK	0 CZK	—	207,000,000 CZK	—	0 CZK	—	0 CZK	—	—	—	—	0 CZK	—	—	0 CZK	0 CZK	15,612,000,000 CZK	—	0 CZK	—	—	—	—	—	—	—	—	—	—	—	—
Other comprehensive income	84,000,000 CZK	0 CZK	—	1,000,000 CZK	—	—	3,000,000 CZK	—	81,000,000 CZK	0 CZK	36,000,000 CZK	—	—	25,000,000 CZK	—	—	1,000,000 CZK	0 CZK	23,000,000 CZK	—	—	—	2,000,000 CZK	—	—	638,000,000 CZK	2,000,000 CZK	—	641,000,000 CZK	9,000,000 CZK	—	3,000,000 CZK	—	0 CZK	—	0 CZK	—	—	—	—	277,000,000 CZK	—	—	0 CZK	5,000,000 CZK	26,000,000 CZK	—	388,000,000 CZK	—	—	—	—	—	—	—	—	—	—	—	—
Comprehensive income	17,159,000,000 CZK	0 CZK	—	1,000,000 CZK	—	—	167,000,000 CZK	—	17,326,000,000 CZK	0 CZK	36,000,000 CZK	—	—	25,000,000 CZK	—	—	1,000,000 CZK	0 CZK	17,220,000,000 CZK	—	—	—	2,000,000 CZK	—	—	15,181,000,000 CZK	2,000,000 CZK	—	14,971,000,000 CZK	9,000,000 CZK	—	210,000,000 CZK	—	0 CZK	—	0 CZK	—	—	—	—	277,000,000 CZK	—	—	0 CZK	5,000,000 CZK	15,638,000,000 CZK	—	388,000,000 CZK	—	—	—	—	—	—	—	—	—	—	—	—
Dividends recognised as distributions to owners	15,709,000,000 CZK	0 CZK	—	0 CZK	—	—	15,000,000 CZK	—	15,724,000,000 CZK	0 CZK	0 CZK	—	—	0 CZK	—	—	0 CZK	0 CZK	15,709,000,000 CZK	—	—	—	0 CZK	—	—	11,700,000,000 CZK	0 CZK	—	11,483,000,000 CZK	0 CZK	—	217,000,000 CZK	—	0 CZK	—	0 CZK	—	—	—	—	0 CZK	—	—	0 CZK	0 CZK	11,483,000,000 CZK	—	0 CZK	—	—	—	—	—	—	—	—	—	—	—	—