Statement Of Changes In Equity [Abstract]

Novonesis AS - Filing #1443478

Concept	2020-01-01 to 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	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	As at 2020-12-31	As at 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	As at 2020-01-01	As at 2020-01-01	As at 2020-01-01	As at 2020-01-01	As at 2020-01-01	As at 2020-01-01	As at 2020-01-01	As at 2019-12-31	2019-01-01 to 2019-12-31	2019-01-01 to 2019-12-31	As at 2019-12-31	As at 2019-12-31	2019-01-01 to 2019-12-31	2019-01-01 to 2019-12-31	As at 2019-12-31	As at 2019-12-31	2019-01-01 to 2019-12-31	As at 2019-12-31	2019-01-01 to 2019-12-31	As at 2019-12-31	2019-01-01 to 2019-12-31	As at 2019-01-01	As at 2019-01-01	As at 2019-01-01	As at 2019-01-01	As at 2019-01-01	As at 2019-01-01	As at 2019-01-01
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	—	11,263,000,000 DKK	11,000,000 DKK	127,000,000 DKK	11,233,000,000 DKK	570,000,000 DKK	—	—	727,000,000 DKK	11,244,000,000 DKK	—	—	—	—	582,000,000 DKK	19,000,000 DKK	10,810,000,000 DKK	11,480,000,000 DKK	12,000,000 DKK	57,000,000 DKK	11,468,000,000 DKK	11,468,000,000 DKK	—	—	12,000,000 DKK	57,000,000 DKK	—	—	11,480,000,000 DKK	10,810,000,000 DKK	—	19,000,000 DKK	—	582,000,000 DKK	—	26,000,000 DKK	594,000,000 DKK	10,943,000,000 DKK	11,438,000,000 DKK	13,000,000 DKK	11,425,000,000 DKK	86,000,000 DKK
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	2,826,000,000 DKK	—	—	—	—	—	2,825,000,000 DKK	—	—	—	—	—	1,000,000 DKK	2,825,000,000 DKK	—	—	—	—	—	—	—	—	—	3,154,000,000 DKK	—	—	3,154,000,000 DKK	1,000,000 DKK	—	—	3,155,000,000 DKK	—	—	—	—	—	—	—	—	—	—	—
Other comprehensive income	677,000,000 DKK	—	—	—	—	—	—	108,000,000 DKK	—	—	—	784,000,000 DKK	1,000,000 DKK	676,000,000 DKK	—	—	—	—	—	—	—	—	143,000,000 DKK	188,000,000 DKK	—	—	—	1,000,000 DKK	—	—	187,000,000 DKK	—	45,000,000 DKK	—	—	—	—	—	—	—	—	—
Comprehensive income	2,149,000,000 DKK	—	—	—	—	—	2,825,000,000 DKK	108,000,000 DKK	—	—	—	784,000,000 DKK	- DKK	2,149,000,000 DKK	—	—	—	—	—	—	—	—	143,000,000 DKK	3,342,000,000 DKK	—	—	3,154,000,000 DKK	- DKK	—	—	3,342,000,000 DKK	—	45,000,000 DKK	—	—	—	—	—	—	—	—	—
Dividends recognised as distributions to owners	1,483,000,000 DKK	—	—	—	—	—	1,482,000,000 DKK	—	—	—	—	—	1,000,000 DKK	1,482,000,000 DKK	—	—	—	—	—	—	—	—	—	1,438,000,000 DKK	—	—	1,438,000,000 DKK	1,000,000 DKK	—	—	1,439,000,000 DKK	—	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through share-based payment transactions, equity	53,000,000 DKK	—	—	—	—	—	53,000,000 DKK	—	—	—	—	—	—	53,000,000 DKK	—	—	—	—	—	—	—	—	—	45,000,000 DKK	—	—	45,000,000 DKK	—	—	—	45,000,000 DKK	—	—	—	—	—	—	—	—	—	—	—
Increase (decrease) in equity	236,000,000 DKK	—	—	—	—	—	453,000,000 DKK	108,000,000 DKK	—	—	12,000,000 DKK	784,000,000 DKK	1,000,000 DKK	235,000,000 DKK	—	—	—	—	—	—	—	—	143,000,000 DKK	43,000,000 DKK	—	—	133,000,000 DKK	1,000,000 DKK	—	—	42,000,000 DKK	—	45,000,000 DKK	—	12,000,000 DKK	—	—	—	—	—	—	—