Statement Of Comprehensive Income [Abstract]

Københavns Lufthavne - Filing #1417766

Concept	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31
Statement of comprehensive income [abstract]
Profit (loss)	9,600,000 DKK	- DKK	- DKK	- DKK	526,900,000 DKK	517,300,000 DKK	526,900,000 DKK	638,100,000 DKK	- DKK	638,100,000 DKK	- DKK	- DKK
Other comprehensive income [abstract]
Components of other comprehensive income that will be reclassified to profit or loss, before tax [abstract]
Exchange differences on translation [abstract]
Other comprehensive income, before tax, exchange differences on translation of foreign operations	—	—	—	—	—	3,100,000 DKK	—	—	—	2,500,000 DKK	—	—
Cash flow hedges [abstract]
Gains (losses) on cash flow hedges, before tax	—	—	—	—	—	81,000,000 DKK	—	—	—	133,500,000 DKK	—	—
Other comprehensive income	—	4,200,000 DKK	3,900,000 DKK	- DKK	2,800,000 DKK	2,800,000 DKK	3,100,000 DKK	2,500,000 DKK	- DKK	38,500,000 DKK	38,800,000 DKK	2,200,000 DKK
Comprehensive income	9,600,000 DKK	4,200,000 DKK	3,900,000 DKK	- DKK	529,700,000 DKK	520,100,000 DKK	530,000,000 DKK	640,600,000 DKK	- DKK	599,600,000 DKK	38,800,000 DKK	2,200,000 DKK
Comprehensive income attributable to [abstract]
Comprehensive income, attributable to owners of parent	—	—	—	—	—	529,700,000 DKK	—	—	—	599,600,000 DKK	—	—
Comprehensive income, attributable to non-controlling interests	—	—	—	—	—	9,600,000 DKK	—	—	—	- DKK	—	—