v3.25.4

The Company and Summary of Significant Accounting Policies - Additional Information (Details) | 12 Months Ended
--- | ---
Dec. 31, 2025 Mill
Summary Of Significant Accounting Policies [Line Items] |
Number of pulp mills | 4
Ownership percentage in subsidiaries | 100.00%
Net actuarial gain (loss) percent that is exceeded for amortization | 10.00%
Change in Accounting Principle, Accounting Standards Update, Adopted [true false] | true
Accounting Standards Update [Extensible Enumeration] | us-gaap:AccountingStandardsUpdate202309Member
Performance Share Units |
Summary Of Significant Accounting Policies [Line Items] |
Vesting period | 3 years
Restricted Shares and Equity DSUs |
Summary Of Significant Accounting Policies [Line Items] |
Vesting period | 1 year
RSUs |
Summary Of Significant Accounting Policies [Line Items] |
Vesting period | 3 years
DSUs | Maximum |
Summary Of Significant Accounting Policies [Line Items] |
Vesting period | 1 year
Canada |
Summary Of Significant Accounting Policies [Line Items] |
Number of pulp mills | 2
Germany |
Summary Of Significant Accounting Policies [Line Items] |
Number of pulp mills | 2
Number of sawmills | 1
Number of timber processing and value-add pallet production facility | 1
MPR - CPP | West Fraser |
Summary Of Significant Accounting Policies [Line Items] |
Ownership percentage disposed | 50.00%

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