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Customer and Commercial Financing - Summary of Changes in Expected Credit Losses Provision (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Statements [Line Items]      
Beginning balance $ (3.4)    
Ending balance (8.7) $ (3.4)  
Loans to consumers [member]      
Statements [Line Items]      
Beginning balance (3.4) (24.0) $ (5.7)
(Additions)/Reversal (5.3) 20.6 (18.3)
Ending balance $ (8.7) $ (3.4) $ (24.0)