v3.25.4
Inventories - Narrative (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Inventories [Abstract]
Inventory provision
$ 64
$ 18
X
- Definition
Inventories [Abstract]
+ References
No definition available.
+ Details
Name:
wfg_InventoriesAbstract
Namespace Prefix:
wfg_
Data Type:
xbrli:stringItemType
Balance Type:
na
Period Type:
duration
X
- Definition
Inventory Adjustments1
+ References
No definition available.
+ Details
Name:
wfg_InventoryAdjustments1
Namespace Prefix:
wfg_
Data Type:
xbrli:monetaryItemType
Balance Type:
credit
Period Type:
instant