v3.25.2
Investments - Additional Information (Detail)
$ in Millions
Jun. 30, 2025
USD ($)
Investments, Debt and Equity Securities [Abstract]  
Held-to-maturity investments, after one year through five years $ 17
Held-to-maturity investments, less than one year 8
Foreign government debt, after five years through ten years 383
Held-to-maturity investments, after ten years $ 143