Profit Or Loss [Abstract]

Komercni Banka A.S. - Filing #6018188

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	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	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31
Profit or loss [abstract]
Profit (loss) [abstract]
Other income	—	—	—	—	330,000,000 CZK	—	—	—	—	—	—	—	358,000,000 CZK	—	—	—	—	—	—	—	—	—	—	—
Employee benefits expense	—	—	—	—	8 731 CZK	—	—	—	—	—	—	—	8 335 CZK	—	—	—	—	—	—	—	—	—	—	—
Other gains (losses)	—	—	—	—	2 329 CZK	—	—	—	—	—	—	—	87,000,000 CZK	—	—	—	—	—	—	—	—	—	—	—
Profit (loss) from operating activities	—	—	—	—	19 061 CZK	—	—	—	—	—	—	—	18 878 CZK	—	—	—	—	—	—	—	—	—	—	—
Impairment loss (impairment gain and reversal of impairment loss) determined in accordance with IFRS 9	—	—	—	—	1 022 CZK	—	—	—	—	—	—	—	120,000,000 CZK	—	—	—	—	—	—	—	—	—	—	—
Share of profit (loss) of associates and joint ventures accounted for using equity method	—	—	—	—	257,000,000 CZK	—	—	—	—	—	—	—	330,000,000 CZK	—	—	—	—	—	—	—	—	—	—	—
Profit (loss) before tax	—	—	—	—	20 527 CZK	—	—	—	—	—	—	—	19 107 CZK	—	—	—	—	—	—	—	—	—	—	—
Tax expense (income)	—	—	—	—	3 120 CZK	—	—	—	—	—	—	—	3 288 CZK	—	—	—	—	—	—	—	—	—	—	—
Profit (loss)	17 243 CZK	0 CZK	0 CZK	164,000,000 CZK	17 407 CZK	0 CZK	0 CZK	0 CZK	0 CZK	0 CZK	17 243 CZK	0 CZK	15 819 CZK	0 CZK	15 612 CZK	0 CZK	207,000,000 CZK	0 CZK	0 CZK	0 CZK	0 CZK	0 CZK	15 612 CZK	0 CZK
Profit (loss), attributable to [abstract]
Profit (loss), attributable to owners of parent	—	—	—	—	17 243 CZK	—	—	—	—	—	17 243 CZK	—	15 612 CZK	—	—	—	—	—	—	—	—	—	15 612 CZK	—
Profit (loss), attributable to non-controlling interests	—	—	—	—	164,000,000 CZK	—	—	—	—	—	—	—	207,000,000 CZK	—	—	—	—	—	—	—	—	—	—	—
Earnings per share [text block]	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Earnings per share [abstract]
Earnings per share [line items]
Basic earnings per share [abstract]
Basic earnings (loss) per share	—	—	—	—	9,130.00	—	—	—	—	—	—	—	8,267.00	—	—	—	—	—	—	—	—	—	—	—
Diluted earnings per share [abstract]
Diluted earnings (loss) per share	—	—	—	—	9,130.00	—	—	—	—	—	—	—	8,267.00	—	—	—	—	—	—	—	—	—	—	—