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v3.23.2

Future Policy Benefit Reserves - Earned Premiums and Interest Expense (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
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Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Insurance [Abstract] |  |  |  |
Earned premiums | $ 113 | $ 118 | $ 228 | $ 238
Interest expense | $ 189 | $ 189 | $ 379 | $ 377

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