Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Asbestos - Central Estimates, Net of Insurance Recoveries (Details)

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Asbestos - Central Estimates, Net of Insurance Recoveries (Details) - Mar. 31, 2021
$ in Millions, $ in Millions
USD ($)
AUD ($)
Central Estimate – Discounted and Inflated    
Asbestos Claims [Line Items]    
Asbestos liability actuarial estimate $ 1,339.8 $ 1,762.6
Range of discounted actuarial estimate, minimum 990.7 1,303.4
Range of discounted actuarial estimate, maximum 2,229.6 2,933.2
Central Estimate – Undiscounted but Inflated    
Asbestos Claims [Line Items]    
Asbestos liability actuarial estimate 1,545.8 2,033.7
Range of undiscounted actuarial estimate, minimum 1,119.4 1,472.7
Range of undiscounted actuarial estimate, maximum 2,694.4 3,544.8
Central Estimate – Undiscounted and Uninflated    
Asbestos Claims [Line Items]    
Asbestos liability actuarial estimate $ 1,027.6 $ 1,351.9