Statement Of Cash Flows [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 cash flows [abstract]
Cash flows from (used in) operating activities [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
Cash flows from (used in) operations	—	—	—	—	—	52,200,000 DKK	—	—	—	478,800,000 DKK	—	—
Interest paid, classified as operating activities	—	—	—	—	—	186,500,000 DKK	—	—	—	184,100,000 DKK	—	—
Interest received, classified as operating activities	—	—	—	—	—	5,000,000 DKK	—	—	—	5,100,000 DKK	—	—
Cash flows from (used in) operating activities	—	—	—	—	—	129,700,000 DKK	—	—	—	183,100,000 DKK	—	—
Cash flows from (used in) investing activities [abstract]
Proceeds from sales of property, plant and equipment, classified as investing activities	—	—	—	—	—	2,800,000 DKK	—	—	—	42,700,000 DKK	—	—
Purchase of property, plant and equipment, classified as investing activities	—	—	—	—	—	571,000,000 DKK	—	—	—	1,441,800,000 DKK	—	—
Purchase of intangible assets, classified as investing activities	—	—	—	—	—	9,600,000 DKK	—	—	—	75,400,000 DKK	—	—
Cash flows from (used in) investing activities	—	—	—	—	—	632,800,000 DKK	—	—	—	1,549,100,000 DKK	—	—
Cash flows from (used in) financing activities [abstract]
Cash flows from (used in) financing activities	—	—	—	—	—	798,800,000 DKK	—	—	—	1,388,600,000 DKK	—	—
Increase (decrease) in cash and cash equivalents after effect of exchange rate changes	—	—	—	—	—	36,300,000 DKK	—	—	—	22,600,000 DKK	—	—