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Debt - Additional Information (Detail)
9 Months Ended
Sep. 30, 2025
USD ($)
Dec. 31, 2024
USD ($)
Debt Instrument [Line Items]    
Maximum consolidated debt reduction for unrestricted cash and temporary investments for debt covenant calculation $ 500,000,000  
Outstanding letters of credit 37,000,000  
Revolving Facility    
Debt Instrument [Line Items]    
Credit facility commitment $ 800,000,000  
Debt instrument maturity period Dec. 21, 2029  
Outstanding borrowing under credit facility $ 0 $ 0
Senior unsecured revolving facility, maturity period 5 years  
Outstanding letters of credit $ 3,000,000 $ 3,000,000
Maximum | Including Acquisition Bridge Debt    
Debt Instrument [Line Items]    
Debt covenant 3.5  
Maximum | Excluding Acquisition Bridge Debt    
Debt Instrument [Line Items]    
Debt covenant 4  
Trade Receivable Facility    
Debt Instrument [Line Items]    
Line of credit, trade receivable securitization facility $ 400,000,000  
Debt instrument maturity period Sep. 16, 2026  
Basis spread on variable rate 0.70%  
Trade Receivable Facility | Maximum    
Debt Instrument [Line Items]    
Credit facility commitment $ 600,000,000