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INVENTORIES - Inventories (Details) - USD ($) $ in Millions | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Inventory [Line Items] |  |
Total | $ 588 | $ 607
Logs |  |
Inventory [Line Items] |  |
LIFO inventories | 23 | 23
Moving average cost or FIFO inventories | 29 | 55
Lumber, plywood, oriented strand board and fiberboard |  |
Inventory [Line Items] |  |
LIFO inventories | 81 | 82
Lumber, plywood, oriented strand board, fiberboard and engineered wood products |  |
Inventory [Line Items] |  |
Moving average cost or FIFO inventories | 120 | 130
Other products |  |
Inventory [Line Items] |  |
LIFO inventories | 10 | 14
Moving average cost or FIFO inventories | 160 | 147
Materials and supplies |  |
Inventory [Line Items] |  |
Moving average cost or FIFO inventories | $ 165 | $ 156

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