v3.25.1
Fair Value of Financial Information - Available-for-sale Fixed-Income Securities (Details) - Available-for-sale fixed-income securities - USD ($)
$ in Millions
Mar. 31, 2025
Dec. 31, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Less than one year $ 47  
1 year - 5 years 25  
5 years - 10 years 5  
Greater than 10 years 7  
Total $ 84 $ 94