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Offsetting of Assets and Liabilities - Narrative (Details) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Derivative [Line Items]    
Gross amounts not offset in the balance sheet, received from $ 23.6 $ 12.2
Gross amounts not offset in the balance sheet, deposited 0.0 0.0
Aggregate fair value of all derivative instruments with credit-risk-related contingent features that are in a liability position 1,600.0 1,200.0
Collateral deposited with derivative counterparties for derivatives instruments with credit-risk-related contingent features that are in a liability position 1,400.0 1,100.0
Assets needed for immediate settlement, aggregate fair value 158.8 52.2
Net Investment Hedges    
Derivative [Line Items]    
Gross amounts not offset in the balance sheet, received from 140.6  
Gross amounts not offset in the balance sheet, deposited $ 36.4  
Cash collateral received from derivative counterparties not offset against derivative assets   373.1
Cash collateral deposited with derivative counterparties not offset against derivative liabilities   $ 21.3