Statement Of Changes In Equity [Abstract]

Københavns Lufthavne - Filing #1347883

Concept	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	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	2023-01-01 to 2023-12-31	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	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	—	3,438,000,000 DKK	—	2,181,000,000 DKK	—	—	586,000,000 DKK	—	785,000,000 DKK	2,852,000,000 DKK	114,000,000 DKK	—	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
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	286,000,000 DKK	—	264,000,000 DKK	—	22,000,000 DKK	264,000,000 DKK	—	- DKK	—	—	—	- DKK	—	- DKK	207,000,000 DKK	191,000,000 DKK	16,000,000 DKK	- DKK	—	—	—	—	191,000,000 DKK	—	—	—	—	—	—	—
Other comprehensive income	109,000,000 DKK	—	109,000,000 DKK	—	—	3,000,000 DKK	—	- DKK	—	—	—	106,000,000 DKK	—	- DKK	9,000,000 DKK	2,000,000 DKK	—	7,000,000 DKK	—	—	—	—	9,000,000 DKK	—	—	—	—	—	—	—
Comprehensive income	177,000,000 DKK	—	155,000,000 DKK	—	22,000,000 DKK	261,000,000 DKK	—	- DKK	—	—	—	106,000,000 DKK	—	- DKK	198,000,000 DKK	189,000,000 DKK	16,000,000 DKK	7,000,000 DKK	—	—	—	—	182,000,000 DKK	—	—	—	—	—	—	—