Statement Of Changes In Equity [Abstract]

Københavns Lufthavne - Filing #1382227

Concept	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	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 2022-12-31	2021-01-01 to 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	3,337,000,000 DKK	—	—	—	—	—	640,000,000 DKK	1,920,000,000 DKK	785,000,000 DKK	2,697,000,000 DKK	—	8,000,000 DKK	—	1,731,000,000 DKK	—	—	3,198,000,000 DKK	1,000,000 DKK	2,515,000,000 DKK	683,000,000 DKK	—	785,000,000 DKK	—	—	1,875,000,000 DKK	- DKK	1,000,000 DKK	2,659,000,000 DKK	785,000,000 DKK	2,659,000,000 DKK
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	—	- DKK	207,000,000 DKK	191,000,000 DKK	16,000,000 DKK	- DKK	—	—	—	—	191,000,000 DKK	—	10,000,000 DKK	—	- DKK	527,000,000 DKK	—	—	—	—	- DKK	—	517,000,000 DKK	527,000,000 DKK	—	—	—	—	—	—
Other comprehensive income	—	- DKK	9,000,000 DKK	2,000,000 DKK	—	7,000,000 DKK	—	—	—	—	9,000,000 DKK	—	—	—	- DKK	3,000,000 DKK	—	—	—	—	- DKK	—	3,000,000 DKK	3,000,000 DKK	—	—	—	—	—	—
Comprehensive income	—	- DKK	198,000,000 DKK	189,000,000 DKK	16,000,000 DKK	7,000,000 DKK	—	—	—	—	182,000,000 DKK	—	10,000,000 DKK	—	- DKK	530,000,000 DKK	—	—	—	—	- DKK	—	520,000,000 DKK	530,000,000 DKK	—	—	—	—	—	—