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v3.23.1

Investments - Gross Unrealized Loss by Length of Time (Details) $ in Millions | Mar. 31, 2023 USD ($) Security | Dec. 31, 2022 USD ($) Security
--- | --- | ---
Less than 12 months |  |
Fair Value | $ 1,584 | $ 3,751
Gross Unrealized Loss | $ (32) | $ (213)
Number of securities | Security | 602 | 1,340
12 months or more |  |
Fair Value | $ 2,499 | $ 1,017
Gross Unrealized Loss | $ (333) | $ (239)
Number of securities | Security | 1,006 | 466
Total |  |
Fair Value | $ 4,083 | $ 4,768
Gross Unrealized Loss | $ (365) | $ (452)
Number of securities | Security | 1,568 | 1,776
Obligations of state and political subdivisions |  |
Less than 12 months |  |
Fair Value | $ 667 | $ 1,763
Gross Unrealized Loss | (10) | (79)
12 months or more |  |
Fair Value | 614 | 163
Gross Unrealized Loss | (84) | (56)
Total |  |
Fair Value | 1,281 | 1,926
Gross Unrealized Loss | (94) | (135)
U.S. government and agencies |  |
Less than 12 months |  |
Fair Value | 1 | 32
Gross Unrealized Loss | 0 | 0
12 months or more |  |
Fair Value | 56 | 52
Gross Unrealized Loss | (7) | (8)
Total |  |
Fair Value | 57 | 84
Gross Unrealized Loss | (7) | (8)
Corporate securities |  |
Less than 12 months |  |
Fair Value | 627 | 1,276
Gross Unrealized Loss | (14) | (95)
12 months or more |  |
Fair Value | 1,150 | 519
Gross Unrealized Loss | (191) | (147)
Total |  |
Fair Value | 1,777 | 1,795
Gross Unrealized Loss | (205) | (242)
RMBS |  |
Less than 12 months |  |
Fair Value | 117 | 147
Gross Unrealized Loss | (5) | (9)
12 months or more |  |
Fair Value | 51 | 3
Gross Unrealized Loss | (4) | (1)
Total |  |
Fair Value | 168 | 150
Gross Unrealized Loss | (9) | (10)
CMBS |  |
Less than 12 months |  |
Fair Value | 114 | 270
Gross Unrealized Loss | (2) | (11)
12 months or more |  |
Fair Value | 143 | 0
Gross Unrealized Loss | (7) | 0
Total |  |
Fair Value | 257 | 270
Gross Unrealized Loss | (9) | (11)
CLOs and CLO warehouse assets: |  |
Less than 12 months |  |
Fair Value | 42 | 171
Gross Unrealized Loss | (1) | (7)
12 months or more |  |
Fair Value | 377 | 250
Gross Unrealized Loss | (19) | (14)
Total |  |
Fair Value | 419 | 421
Gross Unrealized Loss | (20) | (21)
Other |  |
Less than 12 months |  |
Fair Value | 12 | 27
Gross Unrealized Loss | 0 | (2)
12 months or more |  |
Fair Value | 15 | 0
Gross Unrealized Loss | (1) | 0
Total |  |
Fair Value | 27 | 27
Gross Unrealized Loss | (1) | (2)
Non-U.S. government securities |  |
Less than 12 months |  |
Fair Value | 4 | 65
Gross Unrealized Loss | 0 | (10)
12 months or more |  |
Fair Value | 93 | 30
Gross Unrealized Loss | (20) | (13)
Total |  |
Fair Value | 97 | 95
Gross Unrealized Loss | $ (20) | $ (23)

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- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 50 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=124269663&loc=SL82922890-210455 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27337-111563 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 55 -Paragraph 8 -URI https://asc.fasb.org/extlink&oid=121590138&loc=SL82922954-210456 + Details
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