v3.26.1
COLLABORATION INVENTORIES, NET - Additional Information (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Classes of current inventories [abstract]
Inventory reserve
$ 14.2
$ 18.7
X
- References
No definition available.
+ Details
Name:
ifrs-full_ClassesOfInventoriesAbstract
Namespace Prefix:
ifrs-full_
Data Type:
xbrli:stringItemType
Balance Type:
na
Period Type:
duration
X
- Definition
Inventory reserve
+ References
No definition available.
+ Details
Name:
legn_InventoryReserve
Namespace Prefix:
legn_
Data Type:
xbrli:monetaryItemType
Balance Type:
credit
Period Type:
instant