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Other Insurance Liabilities and Separate Accounts - Roll Forward of Separate Accounts (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021
Separate Account, Liability [Roll Forward] |  |
Separate Accounts liability, beginning of the period | $ 5,087 | $ 4,881
Premiums and deposits | 853 | 1,118
Surrenders and withdrawals | (581) | (42)
Benefit payments | (947) | (984)
Investment earnings | (1,130) | 53
Net transfers from general account | 9 | 14
Other | (63) | 47
Separate Accounts liability, end of the period | 3,228 | 5,087
Cash surrender value, end of the period | $ 2,087 | $ 3,513

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