Corporate Information And Statement Of Ifrs Compliance [Abstract]

H. Lundbeck A - Filing #5889908

Concept	As at 2024-12-31	2024-01-01 to 2024-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31
Corporate information and statement of IFRS compliance [abstract]
Name of reporting entity or other means of identification	—		—	—
Legal form of entity	—	A/S	—	—
Principal place of business	—	U.S., China, Canada, Spain, Italy, France, Brazil, Australia,	—	—
Description of nature of entity's operations and principal activities	—		—	—
Name of parent entity	—		—	—
Name of ultimate parent of group	—		—	—
Statement of IFRS compliance [text block]	—		—	—
Disclosure of amounts to be recovered or settled after twelve months for classes of assets and liabilities that contain amounts to be recovered or settled both no more and more than twelve months after reporting date [text block]	—	—	—	—
Disclosure of amounts to be recovered or settled after twelve months for classes of assets and liabilities that contain amounts to be recovered or settled both no more and more than twelve months after reporting date [abstract]
Disclosure of amounts to be recovered or settled after twelve months for classes of assets and liabilities that contain amounts to be recovered or settled both no more and more than twelve months after reporting date [line items]
Current inventories	3,983,000,000 DKK	—	4,427,000,000 DKK	—
Current trade receivables	3,432,000,000 DKK	—	2,965,000,000 DKK	—
Current trade payables	4,370,000,000 DKK	—	4,410,000,000 DKK	—
Disclosure of material accounting policy information [text block]	—		—	—
Dividends proposed or declared before financial statements authorised for issue but not recognised as distribution to owners	—	946,000,000 DKK	—	697,000,000 DKK
Dividends proposed or declared before financial statements authorised for issue but not recognised as distribution to owners per share	—	0.95	—	0.70