v3.25.2
Fair Value - Financial Assets and Liabilities not Measured at Fair Value (Details) - USD ($)
$ in Millions
Jun. 30, 2025
Dec. 31, 2024
Carrying Amount    
Assets:    
Other invested assets, primarily mortgage loans $ 1,040 $ 1,019
Liabilities:    
Short-term debt 1,004 4
Long-term debt 7,940 8,936
Estimated Fair Value    
Assets:    
Other invested assets, primarily mortgage loans 1,026 987
Liabilities:    
Short-term debt 1,002 5
Long-term debt 7,809 8,668
Estimated Fair Value | Level 1    
Assets:    
Other invested assets, primarily mortgage loans
Liabilities:    
Short-term debt
Long-term debt
Estimated Fair Value | Level 2    
Assets:    
Other invested assets, primarily mortgage loans
Liabilities:    
Short-term debt 997
Long-term debt 6,845 7,702
Estimated Fair Value | Level 3    
Assets:    
Other invested assets, primarily mortgage loans 1,026 987
Liabilities:    
Short-term debt 5 5
Long-term debt $ 964 $ 966