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Asbestos - Central Estimates, Net of Insurance Recoveries (Details) - Mar. 31, 2022 $ in Millions, $ in Millions | USD ($) | AUD ($)
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Central Estimate – Discounted and Inflated |  |
Asbestos Claims [Line Items] |  |
Asbestos liability actuarial estimate | $ 1,213.8 | $ 1,622.3
Discounted (but inflated) - Low | 932.8 | 1,246.7
Discounted (but inflated) - High | 1,914.8 | 2,559.1
Central Estimate – Undiscounted but Inflated |  |
Asbestos Claims [Line Items] |  |
Asbestos liability actuarial estimate | 1,499.1 | 2,003.6
Undiscounted (but inflated) - Low | 1,131.5 | 1,512.2
Undiscounted (but inflated) - High | 2,471.2 | 3,302.8
Central Estimate – Undiscounted and Uninflated |  |
Asbestos Claims [Line Items] |  |
Asbestos liability actuarial estimate | $ 1,040.0 | $ 1,389.9

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