XML 59 R47.htm IDEA: XBRL DOCUMENT v3.24.2.u1
Investment Information - Maturity profile of available for sale securities) (Details) - USD ($)
$ in Millions
Jun. 30, 2024
Dec. 31, 2023
Estimated Fair Value    
Due in one year or less $ 600 $ 480
Due after one year through five years 13,426 12,924
Due after five years through 10 years 5,673 5,249
Due after 10 years 357 334
Single maturity date 20,056 18,987
Estimated Fair Value 27,499 25,616
Amortized Cost    
Due in one year or less 618 499
Due after one year through five years 13,711 13,101
Due after five years through 10 years 5,899 5,450
Due after 10 years 393 374
Single maturity date 20,621 19,424
Cost or Amortized Cost 28,178 26,195
Fixed maturities    
Estimated Fair Value    
Estimated Fair Value 25,202 23,553
Amortized Cost    
Cost or Amortized Cost 25,882 24,131
Residential mortgage backed securities    
Estimated Fair Value    
Securities without single maturity date 1,186 1,103
Estimated Fair Value 1,186 1,103
Amortized Cost    
Securities without single maturity date 1,253 1,162
Cost or Amortized Cost 1,253 1,162
Commercial mortgage backed securities    
Estimated Fair Value    
Securities without single maturity date 1,160 1,213
Estimated Fair Value 1,160 1,213
Amortized Cost    
Securities without single maturity date 1,185 1,246
Cost or Amortized Cost 1,185 1,246
Asset backed securities    
Estimated Fair Value    
Securities without single maturity date 2,800 2,250
Estimated Fair Value 2,800 2,250
Amortized Cost    
Securities without single maturity date 2,823 2,299
Cost or Amortized Cost $ 2,823 $ 2,299