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Committments and Contingent Liabilities (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Loss Contingencies [Line Items] |  |  |
Loss Contingency Accrual | $ 28 | $ 26 |
Loss Contingency, Accrual, Current | 1 | 1 |
Loss Contingency, Accrual, Noncurrent | 27 | 25 |
SEC Schedule, 12-09, Reserve, Environmental Cost [Member] |  |  |
Loss Contingencies [Line Items] |  |  |
Loss Contingency Accrual | 28 | 26 | $ 27
Loss Contingency Accrual, Period Increase (Decrease) | (2) | 0 |
Payments for Environmental Liabilities | 1 | 1 |
Hardboard Siding Reserves |  |  |
Loss Contingencies [Line Items] |  |  |
Loss Contingency Accrual | 0 | 0 |
Environmental Reserves |  |  |
Loss Contingencies [Line Items] |  |  |
Loss Contingency Accrual | $ 28 | $ 26 |

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