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Other Insurance Liabilities and Separate Accounts - Roll Forward of Separate Accounts (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Separate Account, Liability [Roll Forward] |  |
Separate Accounts liability, beginning of the period | $ 3,228 | $ 5,087
Premiums and deposits | 860 | 853
Surrenders and withdrawals | (9) | (581)
Benefit payments | (938) | (947)
Investment earnings | 100 | (1,130)
Net transfers from general account | 7 | 9
Other | 2 | (63)
Separate Accounts liability, end of the period | 3,250 | 3,228
Cash surrender value, end of the period | $ 2,181 | $ 2,087

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