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Schedule I - Summary of Investments Other than Investments in Related Parties | 12 Months Ended
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Dec. 31, 2018
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Abstract] |
Schedule I — Summary of Investments Other than Investments in Related Parties | Schedule I — Summary of Investments Other than Investments in Related Parties
|  | As of December 31, 2018
($ in millions) |  | Cost/amortized cost |  | Fair value (if applicable) |  | Amount shown in the Balance Sheet
Type of investment |  |  |  |  |  |
Fixed maturities: |  |  |  |  |  |
Bonds: |  |  |  |  |  |
United States government, government agencies and authorities |  | $ | 5,386 |  |  | $ | 5,517 |  |  | $ | 5,517 |
States, municipalities and political subdivisions |  | 8,963 |  |  | 9,169 |  |  | 9,169 |
Foreign governments |  | 739 |  |  | 747 |  |  | 747 |
Public utilities |  | 5,410 |  |  | 5,514 |  |  | 5,514 |
All other corporate bonds |  | 35,126 |  |  | 34,622 |  |  | 34,622 |
Asset-backed securities |  | 1,049 |  |  | 1,045 |  |  | 1,045 |
Residential mortgage-backed securities |  | 377 |  |  | 464 |  |  | 464 |
Commercial mortgage-backed securities |  | 63 |  |  | 70 |  |  | 70 |
Redeemable preferred stocks |  | 21 |  |  | 22 |  |  | 22 |
Total fixed maturities |  | 57,134 |  |  | $ | 57,170 |  |  | 57,170 |
Equity securities: |  |  |  |  |  |
Common stocks: |  |  |  |  |  |
Public utilities |  | 78 |  |  | 93 |  |  | 93 |
Banks, trusts and insurance companies |  | 452 |  |  | 525 |  |  | 525 |
Industrial, miscellaneous and all other |  | 3,737 |  |  | 4,159 |  |  | 4,159 |
Nonredeemable preferred stocks |  | 222 |  |  | 259 |  |  | 259 |
Total equity securities |  | 4,489 |  |  | $ | 5,036 |  |  | 5,036 |
Mortgage loans on real estate |  | 4,670 |  |  | 4,703 |  |  | 4,670 |
Real estate (none acquired in satisfaction of debt) |  | 624 |  |  |  |  | 624 |
Policy loans |  | 891 |  |  |  |  | 891 |
Derivative instruments |  | 117 |  |  | 117 |  |  | 117 |
Limited partnership interests |  | 7,505 |  |  |  |  | 7,505 |
Other long-term investments |  | 2,220 |  |  |  |  | 2,220 |
Short-term investments |  | 3,027 |  |  | 3,027 |  |  | 3,027 |
Total investments |  | $ | 80,677 |  |  |  |  | $ | 81,260 |

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- Definition The entire disclosure of information about investment held by insurance company, excluding investment in related party. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 15 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -Section S99 -Paragraph 7 -Subparagraph (SX 210.12-15) -URI http://asc.fasb.org/extlink&oid=50485924&loc=d3e611379-123010 + Details
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