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Policyholder Account Balances, Future Policy Benefits and Claims and Separate Account Liabilities (Separate Account Liabilities) (Details 3) - USD ($) $ in Millions | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Separate Account Liabilities |  |
Variable annuity | $ 79,299 | $ 74,965
VUL insurance | 8,226 | 7,429
Other insurance | 31 | 31
Threadneedle investment liabilities | 5,055 | 5,063
Total | $ 92,611 | $ 87,488

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