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v3.23.1

Investments - Unrealized Loss Position (Details) $ in Millions | Mar. 31, 2023 USD ($) security | Dec. 31, 2022 USD ($) security
--- | --- | ---
Number of Securities |  |
Number of Securities, Less than 12 months | security | 4,797 | 9,500
Number of Securities, Greater than 12 months | security | 6,231 | 2,784
Number of Securities | security | 11,028 | 12,284
Fair Value |  |
Fair Value, Less than 12 months | $ 7,374 | $ 14,228
Fair Value, Greater than 12 months | 9,572 | 4,264
Fair Value | 16,946 | 18,492
Unrealized Losses |  |
Unrealized Losses, Less than 12 months | 288 | 1,226
Unrealized Losses, Greater than 12 months | 1,105 | 614
Unrealized Losses | $ 1,393 | $ 1,840
U.S. government securities |  |
Number of Securities |  |
Number of Securities, Less than 12 months | security | 153 | 519
Number of Securities, Greater than 12 months | security | 323 | 35
Number of Securities | security | 476 | 554
Fair Value |  |
Fair Value, Less than 12 months | $ 473 | $ 1,620
Fair Value, Greater than 12 months | 1,143 | 191
Fair Value | 1,616 | 1,811
Unrealized Losses |  |
Unrealized Losses, Less than 12 months | 20 | 164
Unrealized Losses, Greater than 12 months | 120 | 18
Unrealized Losses | $ 140 | $ 182
States, municipalities and political subdivisions |  |
Number of Securities |  |
Number of Securities, Less than 12 months | security | 301 | 859
Number of Securities, Greater than 12 months | security | 583 | 196
Number of Securities | security | 884 | 1,055
Fair Value |  |
Fair Value, Less than 12 months | $ 513 | $ 1,370
Fair Value, Greater than 12 months | 897 | 322
Fair Value | 1,410 | 1,692
Unrealized Losses |  |
Unrealized Losses, Less than 12 months | 12 | 95
Unrealized Losses, Greater than 12 months | 74 | 34
Unrealized Losses | $ 86 | $ 129
U.S. corporate securities |  |
Number of Securities |  |
Number of Securities, Less than 12 months | security | 2,675 | 5,193
Number of Securities, Greater than 12 months | security | 3,300 | 1,479
Number of Securities | security | 5,975 | 6,672
Fair Value |  |
Fair Value, Less than 12 months | $ 3,640 | $ 6,537
Fair Value, Greater than 12 months | 4,116 | 1,822
Fair Value | 7,756 | 8,359
Unrealized Losses |  |
Unrealized Losses, Less than 12 months | 167 | 622
Unrealized Losses, Greater than 12 months | 498 | 281
Unrealized Losses | $ 665 | $ 903
Foreign securities |  |
Number of Securities |  |
Number of Securities, Less than 12 months | security | 653 | 1,168
Number of Securities, Greater than 12 months | security | 787 | 403
Number of Securities | security | 1,440 | 1,571
Fair Value |  |
Fair Value, Less than 12 months | $ 946 | $ 1,715
Fair Value, Greater than 12 months | 1,163 | 592
Fair Value | 2,109 | 2,307
Unrealized Losses |  |
Unrealized Losses, Less than 12 months | 34 | 147
Unrealized Losses, Greater than 12 months | 159 | 97
Unrealized Losses | $ 193 | $ 244
Residential mortgage-backed securities |  |
Number of Securities |  |
Number of Securities, Less than 12 months | security | 350 | 452
Number of Securities, Greater than 12 months | security | 183 | 91
Number of Securities | security | 533 | 543
Fair Value |  |
Fair Value, Less than 12 months | $ 362 | $ 464
Fair Value, Greater than 12 months | 361 | 257
Fair Value | 723 | 721
Unrealized Losses |  |
Unrealized Losses, Less than 12 months | 12 | 39
Unrealized Losses, Greater than 12 months | 59 | 50
Unrealized Losses | $ 71 | $ 89
Commercial mortgage-backed securities |  |
Number of Securities |  |
Number of Securities, Less than 12 months | security | 131 | 288
Number of Securities, Greater than 12 months | security | 328 | 187
Number of Securities | security | 459 | 475
Fair Value |  |
Fair Value, Less than 12 months | $ 300 | $ 611
Fair Value, Greater than 12 months | 632 | 381
Fair Value | 932 | 992
Unrealized Losses |  |
Unrealized Losses, Less than 12 months | 18 | 69
Unrealized Losses, Greater than 12 months | 128 | 86
Unrealized Losses | $ 146 | $ 155
Other asset-backed securities |  |
Number of Securities |  |
Number of Securities, Less than 12 months | security | 527 | 1,008
Number of Securities, Greater than 12 months | security | 726 | 391
Number of Securities | security | 1,253 | 1,399
Fair Value |  |
Fair Value, Less than 12 months | $ 1,126 | $ 1,893
Fair Value, Greater than 12 months | 1,257 | 694
Fair Value | 2,383 | 2,587
Unrealized Losses |  |
Unrealized Losses, Less than 12 months | 23 | 88
Unrealized Losses, Greater than 12 months | 67 | 48
Unrealized Losses | $ 90 | $ 136
Redeemable preferred securities |  |
Number of Securities |  |
Number of Securities, Less than 12 months | security | 7 | 13
Number of Securities, Greater than 12 months | security | 1 | 2
Number of Securities | security | 8 | 15
Fair Value |  |
Fair Value, Less than 12 months | $ 14 | $ 18
Fair Value, Greater than 12 months | 3 | 5
Fair Value | 17 | 23
Unrealized Losses |  |
Unrealized Losses, Less than 12 months | 2 | 2
Unrealized Losses, Greater than 12 months | 0 | 0
Unrealized Losses | $ 2 | $ 2

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