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 -Name Accounting Standards Codification

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 -Publisher FASB

 -Name Accounting Standards Codification

 -Topic 815

 -SubTopic 10

 -Section 50

 -Paragraph 8

 -Subparagraph (a)

 -URI http://asc.fasb.org/extlink&amp;oid=7476318&amp;loc=d3e41678-113959



Reference 2: http://www.xbrl.org/2003/role/presentationRef

 -Publisher FASB

 -Name FASB Staff Position (FSP)

 -Number FIN39-1

 -Paragraph 10B

 -Subparagraph b

 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.  This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



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 -Publisher SEC

 -Name Regulation S-X (SX)

 -Number 210

 -Article 12

 -Section 13

 -Sentence Column B



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 -Publisher FASB

 -Name Accounting Standards Codification

 -Topic 825

 -SubTopic 10

 -Section 50

 -Paragraph 10

 -Subparagraph (a)

 -URI http://asc.fasb.org/extlink&amp;oid=7491637&amp;loc=d3e13433-108611



Reference 2: http://www.xbrl.org/2003/role/presentationRef

 -Publisher FASB

 -Name Accounting Standards Codification

 -Topic 815

 -SubTopic 10

 -Section 45

 -Paragraph 5

 -URI http://asc.fasb.org/extlink&amp;oid=6945355&amp;loc=d3e41228-113958



Reference 3: http://www.xbrl.org/2003/role/presentationRef

 -Publisher FASB

 -Name Accounting Standards Codification

 -Topic 825

 -SubTopic 10

 -Section 50

 -Paragraph 15

 -URI http://asc.fasb.org/extlink&amp;oid=7491637&amp;loc=d3e13495-108611



Reference 4: http://www.xbrl.org/2003/role/presentationRef

 -Publisher FASB

 -Name Accounting Standards Codification

 -Topic 815

 -SubTopic 10

 -Section 45

 -Paragraph 6

 -URI http://asc.fasb.org/extlink&amp;oid=6945355&amp;loc=d3e41271-113958



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 -Publisher FASB

 -Name Accounting Standards Codification

 -Topic 815

 -SubTopic 10

 -Section 50

 -Paragraph 8

 -Subparagraph (a)

 -URI http://asc.fasb.org/extlink&amp;oid=7476318&amp;loc=d3e41678-113959



Reference 2: http://www.xbrl.org/2003/role/presentationRef

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 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.  This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



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 -Publisher SEC

 -Name Regulation S-X (SX)

 -Number 210

 -Article 12

 -Section 13

 -Sentence Column B



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 -Publisher FASB

 -Name Accounting Standards Codification

 -Topic 825

 -SubTopic 10

 -Section 50

 -Paragraph 10

 -Subparagraph (a)

 -URI http://asc.fasb.org/extlink&amp;oid=7491637&amp;loc=d3e13433-108611



Reference 2: http://www.xbrl.org/2003/role/presentationRef

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 -Name Accounting Standards Codification

 -Topic 815

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 -Paragraph 5

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

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 -Publisher FASB

 -Name Accounting Standards Codification

 -Topic 815

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.  This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



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 -Publisher SEC

 -Name Regulation S-X (SX)

 -Number 210

 -Article 12

 -Section 13

 -Sentence Column B



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 -Publisher FASB

 -Name Accounting Standards Codification

 -Topic 825

 -SubTopic 10

 -Section 50

 -Paragraph 10

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

 -Publisher FASB

 -Name Accounting Standards Codification

 -Topic 815

 -SubTopic 10

 -Section 45

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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 -Topic 825

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

 -Publisher FASB

 -Name Accounting Standards Codification

 -Topic 815

 -SubTopic 10

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 -Publisher FASB

 -Name Accounting Standards Codification

 -Topic 815

 -SubTopic 10

 -Section 50

 -Paragraph 8

 -Subparagraph (a)

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.  This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



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 -Publisher SEC

 -Name Regulation S-X (SX)

 -Number 210

 -Article 12

 -Section 13

 -Sentence Column B



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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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 -Publisher FASB

 -Name Accounting Standards Codification

 -Topic 815

 -SubTopic 10

 -Section 50

 -Paragraph 8

 -Subparagraph (a)

 -URI http://asc.fasb.org/extlink&amp;oid=7476318&amp;loc=d3e41678-113959



Reference 2: http://www.xbrl.org/2003/role/presentationRef

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 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.  This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



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 -Publisher SEC

 -Name Regulation S-X (SX)

 -Number 210

 -Article 12

 -Section 13

 -Sentence Column B



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 -Publisher FASB

 -Name Accounting Standards Codification

 -Topic 825

 -SubTopic 10

 -Section 50

 -Paragraph 10

 -Subparagraph (a)

 -URI http://asc.fasb.org/extlink&amp;oid=7491637&amp;loc=d3e13433-108611



Reference 2: http://www.xbrl.org/2003/role/presentationRef

 -Publisher FASB

 -Name Accounting Standards Codification

 -Topic 815

 -SubTopic 10

 -Section 45

 -Paragraph 5

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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 -Name Accounting Standards Codification

 -Topic 825

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

 -Publisher FASB

 -Name Accounting Standards Codification

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 -Section 45

 -Paragraph 6

 -URI http://asc.fasb.org/extlink&amp;oid=6945355&amp;loc=d3e41271-113958



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 -Publisher FASB

 -Name Accounting Standards Codification

 -Topic 815

 -SubTopic 10

 -Section 50

 -Paragraph 8

 -Subparagraph (a)

 -URI http://asc.fasb.org/extlink&amp;oid=7476318&amp;loc=d3e41678-113959



Reference 2: http://www.xbrl.org/2003/role/presentationRef

 -Publisher FASB

 -Name FASB Staff Position (FSP)

 -Number FIN39-1

 -Paragraph 10B

 -Subparagraph b

 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.  This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



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 -Publisher SEC

 -Name Regulation S-X (SX)

 -Number 210

 -Article 12

 -Section 13

 -Sentence Column B



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 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.  This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



</ElementReferences><IsTotalLabel>false</IsTotalLabel><UnitID>2</UnitID><Label>Offsetting Fair Value</Label></Row></Rows><Footnotes><Footnote><NoteId>1</NoteId><Note>Notional amount is equal to the maximum potential future loss amount. There is no specific collateral related to these contracts or recourse provisions included in the contracts to offset losses.</Note></Footnote><Footnote><NoteId>2</NoteId><Note>The Company has entered into offsetting credit default swaps to terminate certain existing credit default swaps, thereby offsetting the future changes in value of, or losses paid related to, the original swap.</Note></Footnote><Footnote><NoteId>3</NoteId><Note>The average credit ratings are based on availability and the midpoint of the applicable ratings among Moody&#x2019;s, S&amp;amp;P, and Fitch. If no rating is available from a rating agency, then an internally developed rating is used.</Note></Footnote><Footnote><NoteId>4</NoteId><Note>Includes $2.4 billion and $2.7 billion as of December&#xA0;31, 2012 and 2011, respectively, of standard market indices of diversified portfolios of corporate issuers referenced through credit default swaps. These swaps are subsequently valued based upon the observable standard market index. As of December&#xA0;31, 2012 the Company did not hold customized diversified portfolios of corporate issuers referenced through credit default swaps. As of December&#xA0;31, 2011 the Company held $478 of customized diversified portfolios of corporate issuers referenced through credit default swaps.</Note></Footnote></Footnotes><IsEquityReport>false</IsEquityReport><ReportName>Investments and Derivative Instruments (Credit Risk through Credit Derivatives) (Details) (USD $)</ReportName><MonetaryRoundingLevel>Millions</MonetaryRoundingLevel><SharesRoundingLevel>UnKnown</SharesRoundingLevel><PerShareRoundingLevel>UnKnown</PerShareRoundingLevel><ExchangeRateRoundingLevel>UnKnown</ExchangeRateRoundingLevel><HasCustomUnits>true</HasCustomUnits><IsEmbedReport>false</IsEmbedReport><IsMultiCurrency>false</IsMultiCurrency><ReportType>Sheet</ReportType><RoleURI>http://www.thehartford.com/role/InvestmentsAndDerivativeInstrumentsCreditRiskThroughCreditDerivativesDetails</RoleURI><NumberOfCols>2</NumberOfCols><NumberOfRows>81</NumberOfRows></InstanceReport>
