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v3.23.3

Investments - Unrealized Loss Position (Details) $ in Millions | Sep. 30, 2023 USD ($) security | Dec. 31, 2022 USD ($) security
--- | --- | ---
Number of Securities |  |
Number of Securities, Less than 12 months | security | 4,515 | 9,500
Number of Securities, Greater than 12 months | security | 7,900 | 2,784
Number of Securities | security | 12,415 | 12,284
Fair Value |  |
Fair Value, Less than 12 months | $ 6,501 | $ 14,228
Fair Value, Greater than 12 months | 11,675 | 4,264
Fair Value | 18,176 | 18,492
Unrealized Losses |  |
Unrealized Losses, Less than 12 months | 234 | 1,226
Unrealized Losses, Greater than 12 months | 1,501 | 614
Unrealized Losses | $ 1,735 | $ 1,840
U.S. government securities |  |
Number of Securities |  |
Number of Securities, Less than 12 months | security | 143 | 519
Number of Securities, Greater than 12 months | security | 370 | 35
Number of Securities | security | 513 | 554
Fair Value |  |
Fair Value, Less than 12 months | $ 393 | $ 1,620
Fair Value, Greater than 12 months | 1,250 | 191
Fair Value | 1,643 | 1,811
Unrealized Losses |  |
Unrealized Losses, Less than 12 months | 12 | 164
Unrealized Losses, Greater than 12 months | 159 | 18
Unrealized Losses | $ 171 | $ 182
States, municipalities and political subdivisions |  |
Number of Securities |  |
Number of Securities, Less than 12 months | security | 614 | 859
Number of Securities, Greater than 12 months | security | 634 | 196
Number of Securities | security | 1,248 | 1,055
Fair Value |  |
Fair Value, Less than 12 months | $ 1,003 | $ 1,370
Fair Value, Greater than 12 months | 939 | 322
Fair Value | 1,942 | 1,692
Unrealized Losses |  |
Unrealized Losses, Less than 12 months | 36 | 95
Unrealized Losses, Greater than 12 months | 115 | 34
Unrealized Losses | $ 151 | $ 129
U.S. corporate securities |  |
Number of Securities |  |
Number of Securities, Less than 12 months | security | 2,619 | 5,193
Number of Securities, Greater than 12 months | security | 4,427 | 1,479
Number of Securities | security | 7,046 | 6,672
Fair Value |  |
Fair Value, Less than 12 months | $ 2,903 | $ 6,537
Fair Value, Greater than 12 months | 5,688 | 1,822
Fair Value | 8,591 | 8,359
Unrealized Losses |  |
Unrealized Losses, Less than 12 months | 127 | 622
Unrealized Losses, Greater than 12 months | 752 | 281
Unrealized Losses | $ 879 | $ 903
Foreign securities |  |
Number of Securities |  |
Number of Securities, Less than 12 months | security | 565 | 1,168
Number of Securities, Greater than 12 months | security | 1,064 | 403
Number of Securities | security | 1,629 | 1,571
Fair Value |  |
Fair Value, Less than 12 months | $ 749 | $ 1,715
Fair Value, Greater than 12 months | 1,473 | 592
Fair Value | 2,222 | 2,307
Unrealized Losses |  |
Unrealized Losses, Less than 12 months | 28 | 147
Unrealized Losses, Greater than 12 months | 205 | 97
Unrealized Losses | $ 233 | $ 244
Residential mortgage-backed securities |  |
Number of Securities |  |
Number of Securities, Less than 12 months | security | 88 | 452
Number of Securities, Greater than 12 months | security | 460 | 91
Number of Securities | security | 548 | 543
Fair Value |  |
Fair Value, Less than 12 months | $ 234 | $ 464
Fair Value, Greater than 12 months | 496 | 257
Fair Value | 730 | 721
Unrealized Losses |  |
Unrealized Losses, Less than 12 months | 9 | 39
Unrealized Losses, Greater than 12 months | 94 | 50
Unrealized Losses | $ 103 | $ 89
Commercial mortgage-backed securities |  |
Number of Securities |  |
Number of Securities, Less than 12 months | security | 83 | 288
Number of Securities, Greater than 12 months | security | 340 | 187
Number of Securities | security | 423 | 475
Fair Value |  |
Fair Value, Less than 12 months | $ 207 | $ 611
Fair Value, Greater than 12 months | 668 | 381
Fair Value | 875 | 992
Unrealized Losses |  |
Unrealized Losses, Less than 12 months | 11 | 69
Unrealized Losses, Greater than 12 months | 140 | 86
Unrealized Losses | $ 151 | $ 155
Other asset-backed securities |  |
Number of Securities |  |
Number of Securities, Less than 12 months | security | 399 | 1,008
Number of Securities, Greater than 12 months | security | 597 | 391
Number of Securities | security | 996 | 1,399
Fair Value |  |
Fair Value, Less than 12 months | $ 1,010 | $ 1,893
Fair Value, Greater than 12 months | 1,144 | 694
Fair Value | 2,154 | 2,587
Unrealized Losses |  |
Unrealized Losses, Less than 12 months | 11 | 88
Unrealized Losses, Greater than 12 months | 35 | 48
Unrealized Losses | $ 46 | $ 136
Redeemable preferred securities |  |
Number of Securities |  |
Number of Securities, Less than 12 months | security | 4 | 13
Number of Securities, Greater than 12 months | security | 8 | 2
Number of Securities | security | 12 | 15
Fair Value |  |
Fair Value, Less than 12 months | $ 2 | $ 18
Fair Value, Greater than 12 months | 17 | 5
Fair Value | 19 | 23
Unrealized Losses |  |
Unrealized Losses, Less than 12 months | 0 | 2
Unrealized Losses, Greater than 12 months | 1 | 0
Unrealized Losses | $ 1 | $ 2

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