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INVESTMENTS - Summary of Fixed Maturity and Equity Securities by Security Type (Details) - USD ($) $ in Millions | Jun. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Fair Value |  |
Less than 12 months | $ 6,007 | $ 15,215
Greater than 12 months | 14,734 | 4,432
Total | 20,741 | 19,647
Gross Unrealized Depreciation |  |
Less than 12 months | (252) | (1,217)
Greater than 12 months | (1,631) | (764)
Total | (1,883) | (1,982)
No Recorded Allowance for Credit Losses |  |
Fair Value |  |
Less than 12 months | 6,004 | 15,213
Greater than 12 months | 14,734 | 4,432
Total | 20,738 | 19,645
Gross Unrealized Depreciation |  |
Less than 12 months | (250) | (1,217)
Greater than 12 months | (1,630) | (764)
Total | (1,881) | (1,982)
U.S. Treasury securities and obligations of U.S. government agencies and corporations |  |
Fair Value |  |
Less than 12 months | 198 | 668
Greater than 12 months | 877 | 487
Total | 1,075 | 1,155
Gross Unrealized Depreciation |  |
Less than 12 months | (12) | (31)
Greater than 12 months | (70) | (52)
Total | (82) | (82)
Obligations of U.S. states and political subdivisions |  |
Fair Value |  |
Less than 12 months | 77 | 235
Greater than 12 months | 199 | 27
Total | 276 | 261
Gross Unrealized Depreciation |  |
Less than 12 months | (1) | (23)
Greater than 12 months | (29) | (9)
Total | (30) | (32)
Corporate Securities |  |
Fair Value |  |
Less than 12 months | 1,877 | 4,143
Greater than 12 months | 3,982 | 1,316
Total | 5,859 | 5,459
Gross Unrealized Depreciation |  |
Less than 12 months | (114) | (326)
Greater than 12 months | (438) | (234)
Total | (553) | (561)
Asset-backed Securities |  |
Fair Value |  |
Less than 12 months | 1,120 | 3,204
Greater than 12 months | 2,490 | 456
Total | 3,610 | 3,661
Gross Unrealized Depreciation |  |
Less than 12 months | (24) | (142)
Greater than 12 months | (93) | (29)
Total | (117) | (171)
Commercial |  |
Fair Value |  |
Less than 12 months | 87 | 806
Greater than 12 months | 873 | 101
Total | 961 | 907
Gross Unrealized Depreciation |  |
Less than 12 months | (2) | (90)
Greater than 12 months | (110) | (15)
Total | (113) | (105)
Agency Residential |  |
Fair Value |  |
Less than 12 months | 1,067 | 1,905
Greater than 12 months | 1,948 | 870
Total | 3,015 | 2,776
Gross Unrealized Depreciation |  |
Less than 12 months | (33) | (132)
Greater than 12 months | (259) | (158)
Total | (292) | (289)
Non-agency Residential |  |
Fair Value |  |
Less than 12 months | 57 | 4
Greater than 12 months | 4 | 1
Total | 61 | 4
Gross Unrealized Depreciation |  |
Less than 12 months | (1) | 0
Greater than 12 months | 0 | (1)
Total | (1) | 0
Foreign government securities |  |
Fair Value |  |
Less than 12 months | 353 | 985
Greater than 12 months | 1,043 | 321
Total | 1,396 | 1,306
Gross Unrealized Depreciation |  |
Less than 12 months | (13) | (100)
Greater than 12 months | (152) | (79)
Total | (165) | (179)
Foreign corporate securities |  |
Fair Value |  |
Less than 12 months | 1,169 | 3,264
Greater than 12 months | 3,317 | 853
Total | 4,486 | 4,117
Gross Unrealized Depreciation |  |
Less than 12 months | (50) | (372)
Greater than 12 months | (479) | (189)
Total | (530) | (561)
Recorded an Allowance for Credit Losses |  |
Fair Value |  |
Less than 12 months | 2 | 2
Greater than 12 months | 0 | 0
Total | 3 | 2
Gross Unrealized Depreciation |  |
Less than 12 months | (2) | 0
Greater than 12 months | (1) | 0
Total | $ (2) | $ 0

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