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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, 2019 | Dec. 31, 2018
--- | --- | ---
Separate Account Liabilities |  |
Variable annuity | $ 74,965 | $ 66,913
VUL insurance | 7,429 | 6,451
Other insurance | 31 | 29
Threadneedle investment liabilities | 5,063 | 4,532
Total | $ 87,488 | $ 77,925

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