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Financial Instruments - Summary of Company's Cash, Cash Equivalents, Financial Investments and Loans and Financing (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Disclosure Of Cash Cash Equivalents Financing Investments And Loans And Financing [line items]    
Pre-fixed amount $ 2,463.3  
Pre-fixed percentage 96.56%  
Post-fixed amount $ 87.7  
Post-fixed percentage 3.44%  
Total amount $ 2,551.0  
Total percentage 100.00%  
Pre-fixed amount $ 2,331.7  
Pre-fixed percentage 93.60%  
Post-fixed amount $ 159.4  
Post-fixed percentage 6.40%  
Total amount $ 2,491.1 $ 2,886.4
Total percentage 100.00%