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Schedule I - Summary of Investments Other than Investments in Related Parties (Details) $ in Millions | Dec. 31, 2018 USD ($)
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Summary of Investments Other Than Investments in Related Parties |
Cost/amortized cost | $ 80,677
Amount shown in the Balance Sheet | 81,260
United States government, government agencies and authorities |
Summary of Investments Other Than Investments in Related Parties |
Cost/amortized cost | 5,386
Fair value (if applicable) | 5,517
Amount shown in the Balance Sheet | 5,517
States, municipalities and political subdivisions |
Summary of Investments Other Than Investments in Related Parties |
Cost/amortized cost | 8,963
Fair value (if applicable) | 9,169
Amount shown in the Balance Sheet | 9,169
Foreign governments |
Summary of Investments Other Than Investments in Related Parties |
Cost/amortized cost | 739
Fair value (if applicable) | 747
Amount shown in the Balance Sheet | 747
Public utilities |
Summary of Investments Other Than Investments in Related Parties |
Cost/amortized cost | 5,410
Fair value (if applicable) | 5,514
Amount shown in the Balance Sheet | 5,514
All other corporate bonds |
Summary of Investments Other Than Investments in Related Parties |
Cost/amortized cost | 35,126
Fair value (if applicable) | 34,622
Amount shown in the Balance Sheet | 34,622
Asset-backed securities |
Summary of Investments Other Than Investments in Related Parties |
Cost/amortized cost | 1,049
Fair value (if applicable) | 1,045
Amount shown in the Balance Sheet | 1,045
Residential mortgage-backed securities |
Summary of Investments Other Than Investments in Related Parties |
Cost/amortized cost | 377
Fair value (if applicable) | 464
Amount shown in the Balance Sheet | 464
Commercial mortgage-backed securities |
Summary of Investments Other Than Investments in Related Parties |
Cost/amortized cost | 63
Fair value (if applicable) | 70
Amount shown in the Balance Sheet | 70
Redeemable preferred stock |
Summary of Investments Other Than Investments in Related Parties |
Cost/amortized cost | 21
Fair value (if applicable) | 22
Amount shown in the Balance Sheet | 22
Fixed income securities |
Summary of Investments Other Than Investments in Related Parties |
Cost/amortized cost | 57,134
Fair value (if applicable) | 57,170
Amount shown in the Balance Sheet | 57,170
Public utilities |
Summary of Investments Other Than Investments in Related Parties |
Cost/amortized cost | 78
Fair value (if applicable) | 93
Amount shown in the Balance Sheet | 93
Banks, trusts and insurance companies |
Summary of Investments Other Than Investments in Related Parties |
Cost/amortized cost | 452
Fair value (if applicable) | 525
Amount shown in the Balance Sheet | 525
Industrial, miscellaneous and all other |
Summary of Investments Other Than Investments in Related Parties |
Cost/amortized cost | 3,737
Fair value (if applicable) | 4,159
Amount shown in the Balance Sheet | 4,159
Nonredeemable preferred stocks |
Summary of Investments Other Than Investments in Related Parties |
Cost/amortized cost | 222
Fair value (if applicable) | 259
Amount shown in the Balance Sheet | 259
Equity securities |
Summary of Investments Other Than Investments in Related Parties |
Cost/amortized cost | 4,489
Fair value (if applicable) | 5,036
Amount shown in the Balance Sheet | 5,036
Mortgage loans on real estate |
Summary of Investments Other Than Investments in Related Parties |
Cost/amortized cost | 4,670
Fair value (if applicable) | 4,703
Amount shown in the Balance Sheet | 4,670
Real estate |
Summary of Investments Other Than Investments in Related Parties |
Cost/amortized cost | 624
Amount shown in the Balance Sheet | 624
Real estate acquired in satisfaction of debt |
Summary of Investments Other Than Investments in Related Parties |
Cost/amortized cost | 0
Amount shown in the Balance Sheet | 0
Policy loans |
Summary of Investments Other Than Investments in Related Parties |
Cost/amortized cost | 891
Amount shown in the Balance Sheet | 891
Derivative instruments |
Summary of Investments Other Than Investments in Related Parties |
Cost/amortized cost | 117
Fair value (if applicable) | 117
Amount shown in the Balance Sheet | 117
Limited partnership interests |
Summary of Investments Other Than Investments in Related Parties |
Cost/amortized cost | 7,505
Amount shown in the Balance Sheet | 7,505
Other long-term investments |
Summary of Investments Other Than Investments in Related Parties |
Cost/amortized cost | 2,220
Amount shown in the Balance Sheet | 2,220
Short-term investments |
Summary of Investments Other Than Investments in Related Parties |
Cost/amortized cost | 3,027
Fair value (if applicable) | 3,027
Amount shown in the Balance Sheet | $ 3,027

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