v3.8.0.1

Reinsurance (Reinsurance Info) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Reinsurance Disclosures [Abstract] |  |  |
Direct premiums | $ 31,797 | $ 30,654 | $ 27,996
Reinsurance assumed | 2,105 | 2,073 | 2,147
Reinsurance ceded | (1,811) | (1,763) | (1,622)
Premiums | 32,091 | 30,964 | 28,521
Direct policy charges and fee income | 4,541 | 5,031 | 5,127
Reinsurance assumed | 1,176 | 1,243 | 1,179
Reinsurance ceded | (414) | (368) | (334)
Policy charges and fee income | 5,303 | 5,906 | 5,972
Direct policyholders’ benefits | 33,261 | 32,957 | 29,242
Reinsurance assumed | 3,230 | 3,110 | 3,107
Reinsurance ceded | (2,697) | (2,435) | (1,722)
Policyholders’ benefits | $ 33,794 | $ 33,632 | $ 30,627

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