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v3.25.1

Investments - Available for Sale Securities in Continuous Unrealized Loss Position (Details) $ in Millions | Mar. 31, 2025 USD ($) security | Dec. 31, 2024 USD ($) security
--- | --- | ---
Fair Value |  |
Fair Value, Less than 12 Months | $ 18,176 | $ 21,662
Fair Value, 12 Months or More | 15,514 | 18,751
Fair Value, Total | 33,690 | 40,413
Gross Unrealized Losses |  |
Gross Unrealized Losses, Less than 12 Months | 374 | 428
Gross Unrealized Losses, 12 Months or More | 2,223 | 2,655
Gross Unrealized Losses, Total | $ 2,597 | $ 3,083
Number of securities in an unrealized loss position | security | 10,707 | 12,274
Number of individual securities in continuous unrealized loss position for longer than twelve months | security | 5,239 | 5,984
U.S. government and government sponsored entities |  |
Fair Value |  |
Fair Value, Less than 12 Months | $ 655 | $ 1,718
Fair Value, 12 Months or More | 355 | 358
Fair Value, Total | 1,010 | 2,076
Gross Unrealized Losses |  |
Gross Unrealized Losses, Less than 12 Months | 7 | 21
Gross Unrealized Losses, 12 Months or More | 71 | 78
Gross Unrealized Losses, Total | 78 | 99
Obligations of states, municipalities and political subdivisions |  |
Fair Value |  |
Fair Value, Less than 12 Months | 733 | 1,502
Fair Value, 12 Months or More | 582 | 586
Fair Value, Total | 1,315 | 2,088
Gross Unrealized Losses |  |
Gross Unrealized Losses, Less than 12 Months | 13 | 33
Gross Unrealized Losses, 12 Months or More | 65 | 79
Gross Unrealized Losses, Total | 78 | 112
Non-U.S. governments |  |
Fair Value |  |
Fair Value, Less than 12 Months | 1,947 | 1,964
Fair Value, 12 Months or More | 1,749 | 3,446
Fair Value, Total | 3,696 | 5,410
Gross Unrealized Losses |  |
Gross Unrealized Losses, Less than 12 Months | 60 | 55
Gross Unrealized Losses, 12 Months or More | 385 | 534
Gross Unrealized Losses, Total | 445 | 589
Corporate debt |  |
Fair Value |  |
Fair Value, Less than 12 Months | 10,136 | 10,347
Fair Value, 12 Months or More | 10,037 | 10,907
Fair Value, Total | 20,173 | 21,254
Gross Unrealized Losses |  |
Gross Unrealized Losses, Less than 12 Months | 220 | 234
Gross Unrealized Losses, 12 Months or More | 1,356 | 1,515
Gross Unrealized Losses, Total | 1,576 | 1,749
RMBS |  |
Fair Value |  |
Fair Value, Less than 12 Months | 1,407 | 3,711
Fair Value, 12 Months or More | 1,843 | 2,147
Fair Value, Total | 3,250 | 5,858
Gross Unrealized Losses |  |
Gross Unrealized Losses, Less than 12 Months | 42 | 58
Gross Unrealized Losses, 12 Months or More | 272 | 343
Gross Unrealized Losses, Total | 314 | 401
CMBS |  |
Fair Value |  |
Fair Value, Less than 12 Months | 801 | 1,052
Fair Value, 12 Months or More | 650 | 992
Fair Value, Total | 1,451 | 2,044
Gross Unrealized Losses |  |
Gross Unrealized Losses, Less than 12 Months | 12 | 18
Gross Unrealized Losses, 12 Months or More | 46 | 71
Gross Unrealized Losses, Total | 58 | 89
CLO/ABS |  |
Fair Value |  |
Fair Value, Less than 12 Months | 2,497 | 1,368
Fair Value, 12 Months or More | 298 | 315
Fair Value, Total | 2,795 | 1,683
Gross Unrealized Losses |  |
Gross Unrealized Losses, Less than 12 Months | 20 | 9
Gross Unrealized Losses, 12 Months or More | 28 | 35
Gross Unrealized Losses, Total | $ 48 | $ 44

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