Statement Of Changes In Equity [Abstract]

Københavns Lufthavne - Filing #5888613

Concept	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	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	As at 2024-12-31	As at 2024-12-31	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	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	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	—	—	3,197,000,000 DKK	785,000,000 DKK	563,000,000 DKK	—	—	3,853,000,000 DKK	—	—	129,000,000 DKK	4,416,000,000 DKK	—	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
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	1,016,000,000 DKK	- DKK	—	—	—	1,016,000,000 DKK	24,000,000 DKK	—	1,040,000,000 DKK	- DKK	—	—	286,000,000 DKK	—	264,000,000 DKK	—	22,000,000 DKK	264,000,000 DKK	—	- DKK	—	—	—	- DKK	—	—	—	—	—	—
Other comprehensive income	15,000,000 DKK	- DKK	—	—	—	- DKK	- DKK	—	15,000,000 DKK	15,000,000 DKK	—	—	109,000,000 DKK	—	109,000,000 DKK	—	—	3,000,000 DKK	—	- DKK	—	—	—	106,000,000 DKK	—	—	—	—	—	—
Comprehensive income	1,001,000,000 DKK	- DKK	—	—	—	1,016,000,000 DKK	24,000,000 DKK	—	1,025,000,000 DKK	15,000,000 DKK	—	—	177,000,000 DKK	—	155,000,000 DKK	—	22,000,000 DKK	261,000,000 DKK	—	- DKK	—	—	—	106,000,000 DKK	—	—	—	—	—	—