v3.25.2
Investments - Composition of Fixed Maturities by Maturity (Detail) - Total fixed maturities
$ in Millions
Jun. 30, 2025
USD ($)
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Amortized Cost [Abstract]  
Less than one year $ 8,582
One to five years 49,855
Five to ten years 23,657
Ten years or greater 278
Cost 82,372
Fair Value  
Less than one year 8,547
One to five years 49,697
Five to ten years 23,747
Ten years or greater 281
Fair Value $ 82,272