XML 69 R57.htm IDEA: XBRL DOCUMENT v3.25.2
Investments - Schedule of Fair Value and Gross Unrealized Losses of Available-for-Sale Securities (Details)
$ in Millions
Jun. 30, 2025
USD ($)
security
Dec. 31, 2024
USD ($)
security
Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items]    
Fair Value, Less than 12 months $ 8,180 $ 10,420
Gross Unrealized Losses Less than 12 months (180) (290)
Fair Value, 12 months or longer 15,265 16,141
Gross Unrealized Losses, 12 months or longer (3,196) (3,485)
Total Fair Value 23,445 26,561
Total Gross Unrealized Losses $ (3,376) $ (3,775)
Total number of available-for-sale securities in an unrealized loss position less than twelve months | security 1,582 2,005
Total number of available-for-sale securities in an unrealized loss position twelve months or longer | security 2,141 2,305
Total number of available-for-sale securities in an unrealized loss position | security 3,723 4,310
Asset-backed securities    
Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items]    
Fair Value, Less than 12 months $ 2,676 $ 1,164
Gross Unrealized Losses Less than 12 months (23) (30)
Fair Value, 12 months or longer 2,488 2,637
Gross Unrealized Losses, 12 months or longer (254) (276)
Total Fair Value 5,164 3,801
Total Gross Unrealized Losses (277) (306)
Commercial mortgage-backed securities    
Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items]    
Fair Value, Less than 12 months 441 727
Gross Unrealized Losses Less than 12 months (12) (11)
Fair Value, 12 months or longer 1,269 1,513
Gross Unrealized Losses, 12 months or longer (130) (175)
Total Fair Value 1,710 2,240
Total Gross Unrealized Losses (142) (186)
Corporates    
Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items]    
Fair Value, Less than 12 months 4,286 6,831
Gross Unrealized Losses Less than 12 months (124) (208)
Fair Value, 12 months or longer 9,507 9,866
Gross Unrealized Losses, 12 months or longer (2,448) (2,624)
Total Fair Value 13,793 16,697
Total Gross Unrealized Losses (2,572) (2,832)
Hybrids    
Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items]    
Fair Value, Less than 12 months 75 105
Gross Unrealized Losses Less than 12 months (4) (4)
Fair Value, 12 months or longer 351 380
Gross Unrealized Losses, 12 months or longer (21) (25)
Total Fair Value 426 485
Total Gross Unrealized Losses (25) (29)
Municipals    
Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items]    
Fair Value, Less than 12 months 243 261
Gross Unrealized Losses Less than 12 months (13) (12)
Fair Value, 12 months or longer 976 1,006
Gross Unrealized Losses, 12 months or longer (225) (243)
Total Fair Value 1,219 1,267
Total Gross Unrealized Losses (238) (255)
Residential mortgage-backed securities    
Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items]    
Fair Value, Less than 12 months 316 899
Gross Unrealized Losses Less than 12 months (2) (16)
Fair Value, 12 months or longer 417 460
Gross Unrealized Losses, 12 months or longer (72) (89)
Total Fair Value 733 1,359
Total Gross Unrealized Losses (74) (105)
U.S. Government    
Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items]    
Fair Value, Less than 12 months 83 313
Gross Unrealized Losses Less than 12 months (1) (4)
Fair Value, 12 months or longer 93 122
Gross Unrealized Losses, 12 months or longer (3) (5)
Total Fair Value 176 435
Total Gross Unrealized Losses (4) (9)
Foreign Governments    
Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items]    
Fair Value, Less than 12 months 60 120
Gross Unrealized Losses Less than 12 months (1) (5)
Fair Value, 12 months or longer 164 157
Gross Unrealized Losses, 12 months or longer (43) (48)
Total Fair Value 224 277
Total Gross Unrealized Losses $ (44) $ (53)