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v3.25.4

Investment Information - Aging of available for sale securities in an unrealized loss position (Details) $ in Millions | Dec. 31, 2025 USD ($) lots | Dec. 31, 2024 USD ($) lots
--- | --- | ---
Estimated Fair Value |  |
Estimated Fair Value - Less than 12 Months | $ 10,128 | $ 12,494
Estimated Fair Value - 12 Months or More | 2,765 | 5,080
Estimated Fair Value - Total | 12,893 | 17,574
Gross Unrealized Losses |  |
Gross Unrealized Losses - Less than 12 Months | (121) | (290)
Gross Unrealized Losses - 12 Months or More | (169) | (404)
Gross Unrealized Losses - Total | $ (290) | $ (694)
Continuous unrealized loss, qualitative disclosures: |  |
Number of positions in an unrealized loss position (lots) | lots | 7,240 | 9,980
Total number of positions (lots) | lots | 25,330 | 20,930
Largest single loss | $ 4 | $ 8
Fixed maturities available for sale, at fair value |  |
Estimated Fair Value |  |
Estimated Fair Value - Less than 12 Months | 9,514 | 12,397
Estimated Fair Value - 12 Months or More | 2,765 | 5,080
Estimated Fair Value - Total | 12,279 | 17,477
Gross Unrealized Losses |  |
Gross Unrealized Losses - Less than 12 Months | (120) | (288)
Gross Unrealized Losses - 12 Months or More | (169) | (404)
Gross Unrealized Losses - Total | (289) | (692)
Corporate bonds |  |
Estimated Fair Value |  |
Estimated Fair Value - Less than 12 Months | 2,972 | 4,582
Estimated Fair Value - 12 Months or More | 1,364 | 2,924
Estimated Fair Value - Total | 4,336 | 7,506
Gross Unrealized Losses |  |
Gross Unrealized Losses - Less than 12 Months | (64) | (114)
Gross Unrealized Losses - 12 Months or More | (78) | (232)
Gross Unrealized Losses - Total | (142) | (346)
US government and government agencies |  |
Estimated Fair Value |  |
Estimated Fair Value - Less than 12 Months | 3,092 | 5,130
Estimated Fair Value - 12 Months or More | 274 | 516
Estimated Fair Value - Total | 3,366 | 5,646
Gross Unrealized Losses |  |
Gross Unrealized Losses - Less than 12 Months | (15) | (100)
Gross Unrealized Losses - 12 Months or More | (6) | (49)
Gross Unrealized Losses - Total | (21) | (149)
Non-US government securities |  |
Estimated Fair Value |  |
Estimated Fair Value - Less than 12 Months | 2,087 | 1,650
Estimated Fair Value - 12 Months or More | 432 | 418
Estimated Fair Value - Total | 2,519 | 2,068
Gross Unrealized Losses |  |
Gross Unrealized Losses - Less than 12 Months | (35) | (58)
Gross Unrealized Losses - 12 Months or More | (46) | (49)
Gross Unrealized Losses - Total | (81) | (107)
Residential mortgage backed securities |  |
Estimated Fair Value |  |
Estimated Fair Value - Less than 12 Months | 312 | 571
Estimated Fair Value - 12 Months or More | 178 | 186
Estimated Fair Value - Total | 490 | 757
Gross Unrealized Losses |  |
Gross Unrealized Losses - Less than 12 Months | (3) | (6)
Gross Unrealized Losses - 12 Months or More | (18) | (25)
Gross Unrealized Losses - Total | (21) | (31)
Asset backed securities |  |
Estimated Fair Value |  |
Estimated Fair Value - Less than 12 Months | 806 | 236
Estimated Fair Value - 12 Months or More | 332 | 426
Estimated Fair Value - Total | 1,138 | 662
Gross Unrealized Losses |  |
Gross Unrealized Losses - Less than 12 Months | (2) | (8)
Gross Unrealized Losses - 12 Months or More | (13) | (24)
Gross Unrealized Losses - Total | (15) | (32)
Commercial mortgage backed securities |  |
Estimated Fair Value |  |
Estimated Fair Value - Less than 12 Months | 239 | 180
Estimated Fair Value - 12 Months or More | 48 | 434
Estimated Fair Value - Total | 287 | 614
Gross Unrealized Losses |  |
Gross Unrealized Losses - Less than 12 Months | (1) | (1)
Gross Unrealized Losses - 12 Months or More | (4) | (10)
Gross Unrealized Losses - Total | (5) | (11)
Municipal bonds |  |
Estimated Fair Value |  |
Estimated Fair Value - Less than 12 Months | 6 | 48
Estimated Fair Value - 12 Months or More | 137 | 176
Estimated Fair Value - Total | 143 | 224
Gross Unrealized Losses |  |
Gross Unrealized Losses - Less than 12 Months | 0 | (1)
Gross Unrealized Losses - 12 Months or More | (4) | (15)
Gross Unrealized Losses - Total | (4) | (16)
Short-term investments |  |
Estimated Fair Value |  |
Estimated Fair Value - Less than 12 Months | 614 | 97
Estimated Fair Value - 12 Months or More | 0 | 0
Estimated Fair Value - Total | 614 | 97
Gross Unrealized Losses |  |
Gross Unrealized Losses - Less than 12 Months | (1) | (2)
Gross Unrealized Losses - 12 Months or More | 0 | 0
Gross Unrealized Losses - Total | $ (1) | $ (2)

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