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Schedule I | 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 INVESTEMENTS - OTHER THAN INVESTMENTS IN RELATED PARTIES | SUMMARY OF INVESTMENTS – OTHER THAN INVESTMENTS IN RELATED PARTIES
December 31, 2018 (in millions of U.S. dollars) | Cost or Amortized Cost |  |  | Fair Value |  |  | Amount at Which Shown in the Balance Sheet |
Fixed maturities available for sale |  |  |  |  |
U.S. Treasury and agency | $ | 4,158 |  |  | $ | 4,145 |  |  | $ | 4,145 |
Foreign | 21,370 |  |  | 21,416 |  |  | 21,416 |
Corporate securities | 27,183 |  |  | 26,583 |  |  | 26,583 |
Mortgage-backed securities | 15,758 |  |  | 15,540 |  |  | 15,540 |
States, municipalities, and political subdivisions | 10,854 |  |  | 10,786 |  |  | 10,786 |
Total fixed maturities available for sale | 79,323 |  |  | 78,470 |  |  | 78,470 |
Fixed maturities held to maturity |  |  |  |  |
U.S. Treasury and agency | 1,185 |  |  | 1,182 |  |  | 1,185 |
Foreign | 1,549 |  |  | 1,542 |  |  | 1,549 |
Corporate securities | 2,601 |  |  | 2,508 |  |  | 2,601 |
Mortgage-backed securities | 2,524 |  |  | 2,486 |  |  | 2,524 |
States, municipalities, and political subdivisions | 5,576 |  |  | 5,541 |  |  | 5,576 |
Total fixed maturities held to maturity | 13,435 |  |  | 13,259 |  |  | 13,435 |
Equity securities |  |  |  |  |
Industrial, miscellaneous, and all other | 770 |  |  | 770 |  |  | 770 |
Short-term investments | 3,016 |  |  | 3,016 |  |  | 3,016 |
Other investments (1) | 5,153 |  |  | 5,153 |  |  | 5,153 |
Total investments - other than investments in related parties | $ | 101,697 |  |  | $ | 100,668 |  |  | $ | 100,844 |
(1) | Excludes $124 million of related party investments.

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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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