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INVESTMENTS - Summary of Fixed Maturity and Equity Securities by Security Type (Details) - USD ($) $ in Millions | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Fair Value |  |
Less than 12 months | $ 6,347 | $ 15,215
Greater than 12 months | 15,099 | 4,432
Total | 21,445 | 19,647
Gross Unrealized Depreciation |  |
Less than 12 months | (320) | (1,217)
Greater than 12 months | (1,823) | (764)
Total | (2,143) | (1,982)
No Recorded Allowance for Credit Losses |  |
Fair Value |  |
Less than 12 months | 6,346 | 15,213
Greater than 12 months | 15,098 | 4,432
Total | 21,445 | 19,645
Gross Unrealized Depreciation |  |
Less than 12 months | (320) | (1,217)
Greater than 12 months | (1,822) | (764)
Total | (2,141) | (1,982)
U.S. Treasury securities and obligations of U.S. government agencies and corporations |  |
Fair Value |  |
Less than 12 months | 197 | 668
Greater than 12 months | 841 | 487
Total | 1,038 | 1,155
Gross Unrealized Depreciation |  |
Less than 12 months | (11) | (31)
Greater than 12 months | (70) | (52)
Total | (81) | (82)
Obligations of U.S. states and political subdivisions |  |
Fair Value |  |
Less than 12 months | 108 | 235
Greater than 12 months | 206 | 27
Total | 314 | 261
Gross Unrealized Depreciation |  |
Less than 12 months | (3) | (23)
Greater than 12 months | (39) | (9)
Total | (42) | (32)
Corporate Securities |  |
Fair Value |  |
Less than 12 months | 2,030 | 4,143
Greater than 12 months | 4,292 | 1,316
Total | 6,322 | 5,459
Gross Unrealized Depreciation |  |
Less than 12 months | (142) | (326)
Greater than 12 months | (512) | (234)
Total | (653) | (561)
Asset-backed Securities |  |
Fair Value |  |
Less than 12 months | 846 | 3,204
Greater than 12 months | 2,245 | 456
Total | 3,091 | 3,661
Gross Unrealized Depreciation |  |
Less than 12 months | (20) | (142)
Greater than 12 months | (48) | (29)
Total | (69) | (171)
Commercial |  |
Fair Value |  |
Less than 12 months | 152 | 806
Greater than 12 months | 865 | 101
Total | 1,017 | 907
Gross Unrealized Depreciation |  |
Less than 12 months | (4) | (90)
Greater than 12 months | (120) | (15)
Total | (124) | (105)
Agency Residential |  |
Fair Value |  |
Less than 12 months | 1,204 | 1,905
Greater than 12 months | 2,090 | 870
Total | 3,294 | 2,776
Gross Unrealized Depreciation |  |
Less than 12 months | (68) | (132)
Greater than 12 months | (368) | (158)
Total | (435) | (289)
Non-agency Residential |  |
Fair Value |  |
Less than 12 months | 164 | 4
Greater than 12 months | 4 | 1
Total | 167 | 4
Gross Unrealized Depreciation |  |
Less than 12 months | (9) | 0
Greater than 12 months | 0 | 0
Total | (9) | 0
Foreign government securities |  |
Fair Value |  |
Less than 12 months | 447 | 985
Greater than 12 months | 1,109 | 321
Total | 1,556 | 1,306
Gross Unrealized Depreciation |  |
Less than 12 months | (21) | (100)
Greater than 12 months | (176) | (79)
Total | (197) | (179)
Foreign corporate securities |  |
Fair Value |  |
Less than 12 months | 1,199 | 3,264
Greater than 12 months | 3,447 | 853
Total | 4,646 | 4,117
Gross Unrealized Depreciation |  |
Less than 12 months | (42) | (372)
Greater than 12 months | (488) | (189)
Total | (531) | (561)
Recorded an Allowance for Credit Losses |  |
Fair Value |  |
Less than 12 months | 0 | 2
Greater than 12 months | 0 | 0
Total | 1 | 2
Gross Unrealized Depreciation |  |
Less than 12 months | (1) | 0
Greater than 12 months | (1) | 0
Total | $ (2) | $ 0

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