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Contingencies and Commitments - Litigation (Details) - USD ($) $ in Millions | 1 Months Ended | 9 Months Ended | 12 Months Ended | 12084 Months Ended
--- | --- | --- | --- | ---
Feb. 28, 2025 | Sep. 30, 2025 | Dec. 31, 2026 | Mar. 31, 3033
Asbestos And Talc Claims | Forecast |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Litigation Settlement, Term |  |  |  | 7 years
Asbestos And Talc Claims | Cyprus Amax Minerals Company |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Loss Contingency Accrual |  | $ 195.0 |  |
Asbestos And Talc Claims | Johnson And Johnson |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Litigation Settlement, Amount Awarded to Other Party | $ 505.0 |  |  |
Asbestos And Talc Claims | Cyprus Mines |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Proceeds from Legal Settlements |  | 230.0 |  |
Asbestos And Talc Claims | Cyprus Mines | Forecast |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Proceeds from Legal Settlements |  |  | $ 48.0 |
Pending Litigation | Asbestos And Talc Claims |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Loss Contingency Accrual |  | 477.0 |  |
Pending Litigation | Future Talc-Related Claims |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Loss Contingency Accrual |  | 278.0 |  |
Pending Litigation | Foreign Talc Claims |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Loss Contingency Accrual |  | $ 4.0 |  |

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