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Investments (ACL for Fixed Maturity Securities AFS By Sector) (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Debt Securities, Available-for-sale, Allowance for Credit Loss [Line Items] |  |  |  |
Allowance, beginning of period | $ 137 | $ 113 | $ 160 | $ 184
ACL not previously recorded | 16 | 14 | 24 | 14
Changes for securities with previously recorded ACL | 2 | 10 | 12 | 10
Securities sold or exchanged | (4) | (16) | (45) | (87)
Allowance, end of period | 151 | 121 | 151 | 121
U.S. corporate |  |  |  |
Debt Securities, Available-for-sale, Allowance for Credit Loss [Line Items] |  |  |  |
Allowance, beginning of period | 40 | 15 | 59 | 68
ACL not previously recorded | 16 | 14 | 16 | 14
Changes for securities with previously recorded ACL | 6 | 11 | 13 | 11
Securities sold or exchanged | 0 | (3) | (26) | (56)
Allowance, end of period | 62 | 37 | 62 | 37
Foreign corporate |  |  |  |
Debt Securities, Available-for-sale, Allowance for Credit Loss [Line Items] |  |  |  |
Allowance, beginning of period | 6 | 2 | 18 | 2
ACL not previously recorded | 0 | 0 | 0 | 0
Changes for securities with previously recorded ACL | (2) | 0 | (2) | 0
Securities sold or exchanged | (4) | 0 | (16) | 0
Allowance, end of period | 0 | 2 | 0 | 2
Foreign government |  |  |  |
Debt Securities, Available-for-sale, Allowance for Credit Loss [Line Items] |  |  |  |
Allowance, beginning of period | 57 | 66 | 57 | 88
ACL not previously recorded | 0 | 0 | 0 | 0
Changes for securities with previously recorded ACL | 0 | (1) | 0 | (5)
Securities sold or exchanged | 0 | (7) | 0 | (25)
Allowance, end of period | 57 | 58 | 57 | 58
RMBS |  |  |  |
Debt Securities, Available-for-sale, Allowance for Credit Loss [Line Items] |  |  |  |
Allowance, beginning of period | 2 | 1 | 1 | 1
ACL not previously recorded | 0 | 0 | 1 | 0
Changes for securities with previously recorded ACL | 0 | 0 | 0 | 0
Securities sold or exchanged | 0 | 0 | 0 | 0
Allowance, end of period | 2 | 1 | 2 | 1
ABS & CLO |  |  |  |
Debt Securities, Available-for-sale, Allowance for Credit Loss [Line Items] |  |  |  |
Allowance, beginning of period | 7 | 9 | 9 | 7
ACL not previously recorded | 0 | 0 | 0 | 0
Changes for securities with previously recorded ACL | (2) | 0 | (1) | 2
Securities sold or exchanged | 0 | 0 | (3) | 0
Allowance, end of period | 5 | 9 | 5 | 9
CMBS |  |  |  |
Debt Securities, Available-for-sale, Allowance for Credit Loss [Line Items] |  |  |  |
Allowance, beginning of period | 25 | 20 | 16 | 18
ACL not previously recorded | 0 | 0 | 7 | 0
Changes for securities with previously recorded ACL | 0 | 0 | 2 | 2
Securities sold or exchanged | 0 | (6) | 0 | (6)
Allowance, end of period | $ 25 | $ 14 | $ 25 | $ 14

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