Statement Of Changes In Equity [Abstract]

Jyske Bank - Filing #1349966

Concept	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	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	2022-01-01 to 2022-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Increase (decrease) through transfer between revaluation surplus and retained earnings, equity	0 DKK	0 DKK	0 DKK	0 DKK	1,000,000 DKK	0 DKK	1,000,000 DKK	0 DKK	0 DKK	1,000,000 DKK	0 DKK	0 DKK	0 DKK	1,000,000 DKK
Increase (decrease) through transactions with owners, equity	0 DKK	151,000,000 DKK	669,000,000 DKK	500,000,000 DKK	1,018,000 DKK	518,000,000 DKK	0 DKK	201,000,000 DKK	83,000,000 DKK	0 DKK	0 DKK	1,270,000 DKK	1,471,000 DKK	1,187,000 DKK
Purchase of treasury shares	0 DKK	0 DKK	1,763,000 DKK	0 DKK	1,763,000 DKK	1,763,000 DKK	0 DKK	0 DKK	0 DKK	0 DKK	0 DKK	3,316,000 DKK	3,316,000 DKK	3,316,000 DKK
Sale or issue of treasury shares	0 DKK	0 DKK	1,759,000 DKK	0 DKK	1,759,000 DKK	1,759,000 DKK	0 DKK	0 DKK	0 DKK	0 DKK	0 DKK	1,989,000 DKK	1,989,000 DKK	1,989,000 DKK
Reduction of issued capital	—	—	—	—	—	—	—	0 DKK	83,000,000 DKK	0 DKK	0 DKK	0 DKK	0 DKK	83,000,000 DKK