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INVESTMENTS - Schedule of Aggregate Fair Value and Gross Unrealized Depreciation of Fixed Maturity Securities by Security Type (Details) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Fair Value |  |
Less than 12 months | $ 2,566 | $ 15,215
Greater than 12 months | 12,222 | 4,432
Total | 14,789 | 19,647
Gross Unrealized Depreciation |  |
Less than 12 months | (102) | (1,217)
Greater than 12 months | (1,035) | (764)
Total | (1,137) | (1,982)
No Recorded Allowance for Credit Losses |  |
Fair Value |  |
Less than 12 months | 2,564 | 15,213
Greater than 12 months | 12,222 | 4,432
Total | 14,787 | 19,645
Gross Unrealized Depreciation |  |
Less than 12 months | (101) | (1,217)
Greater than 12 months | (1,035) | (764)
Total | (1,136) | (1,982)
U.S. Treasury securities and obligations of U.S. government agencies and corporations |  |
Fair Value |  |
Less than 12 months | 122 | 668
Greater than 12 months | 772 | 487
Total | 893 | 1,155
Gross Unrealized Depreciation |  |
Less than 12 months | (3) | (31)
Greater than 12 months | (49) | (52)
Total | (52) | (82)
Obligations of U.S. States and political subdivisions |  |
Fair Value |  |
Less than 12 months | 3 | 235
Greater than 12 months | 74 | 27
Total | 77 | 261
Gross Unrealized Depreciation |  |
Less than 12 months | 0 | (23)
Greater than 12 months | (11) | (9)
Total | (11) | (32)
Corporate securities |  |
Fair Value |  |
Less than 12 months | 1,019 | 4,143
Greater than 12 months | 2,780 | 1,316
Total | 3,799 | 5,459
Gross Unrealized Depreciation |  |
Less than 12 months | (58) | (326)
Greater than 12 months | (263) | (234)
Total | (321) | (561)
Asset-backed securities |  |
Fair Value |  |
Less than 12 months | 196 | 3,204
Greater than 12 months | 2,014 | 456
Total | 2,210 | 3,661
Gross Unrealized Depreciation |  |
Less than 12 months | (2) | (142)
Greater than 12 months | (49) | (29)
Total | (51) | (171)
Commercial |  |
Fair Value |  |
Less than 12 months | 181 | 806
Greater than 12 months | 742 | 101
Total | 923 | 907
Gross Unrealized Depreciation |  |
Less than 12 months | (19) | (90)
Greater than 12 months | (73) | (15)
Total | (92) | (105)
Agency residential |  |
Fair Value |  |
Less than 12 months | 423 | 1,905
Greater than 12 months | 2,126 | 870
Total | 2,549 | 2,776
Gross Unrealized Depreciation |  |
Less than 12 months | (4) | (132)
Greater than 12 months | (225) | (158)
Total | (229) | (289)
Non-agency residential |  |
Fair Value |  |
Less than 12 months | 126 | 4
Greater than 12 months | 4 | 1
Total | 130 | 4
Gross Unrealized Depreciation |  |
Less than 12 months | (1) | 0
Greater than 12 months | 0 | (1)
Total | 0 | 0
Foreign government securities |  |
Fair Value |  |
Less than 12 months | 172 | 985
Greater than 12 months | 985 | 321
Total | 1,156 | 1,306
Gross Unrealized Depreciation |  |
Less than 12 months | (7) | (100)
Greater than 12 months | (101) | (79)
Total | (108) | (179)
Foreign corporate securities |  |
Fair Value |  |
Less than 12 months | 324 | 3,264
Greater than 12 months | 2,726 | 853
Total | 3,050 | 4,117
Gross Unrealized Depreciation |  |
Less than 12 months | (6) | (372)
Greater than 12 months | (265) | (189)
Total | (271) | (561)
Recorded an Allowance for Credit Losses |  |
Fair Value |  |
Less than 12 months | 2 | 2
Greater than 12 months | 0 | 0
Total | 2 | 2
Gross Unrealized Depreciation |  |
Less than 12 months | (1) | 0
Greater than 12 months | 0 | 0
Total | $ (1) | $ 0

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