XML 102 R85.htm IDEA: XBRL DOCUMENT
v3.3.1.900

Investments and Derivative Instruments Level 4 Fair Value Hedges (Details) - Fair Value Hedging [Member] - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Fair Value Hedges [Line Items] |  |  |  |
Gain (Loss) on Fair Value Hedge Ineffectiveness, Net | [1] | $ 0 | $ (3) | $ 6
Increase (Decrease) in Fair Value of Hedged Item in Interest Rate Fair Value Hedge | [1] | 0 | 1 | (11)
Gain (Loss) on Investments [Member] | Interest Rate Swap [Member] |  |  |  |
Fair Value Hedges [Line Items] |  |  |  |
Gain (Loss) on Fair Value Hedge Ineffectiveness, Net |  |  |  | 7
Gain (Loss) on Investments [Member] | Currency Swap [Member] |  |  |  |
Fair Value Hedges [Line Items] |  |  |  |
Gain (Loss) on Fair Value Hedge Ineffectiveness, Net |  | 0 | 0 | 1
Increase (Decrease) in Fair Value of Hedged Item in Interest Rate Fair Value Hedge |  | 0 | 0 | (1)
Benefits, losses and loss adjustment expenses [Member] | Currency Swap [Member] |  |  |  |
Fair Value Hedges [Line Items] |  |  |  |
Gain (Loss) on Fair Value Hedge Ineffectiveness, Net |  | 0 | 0 | (2)
Increase (Decrease) in Fair Value of Hedged Item in Interest Rate Fair Value Hedge |  | 0 | 0 | 2
Designated as Hedging Instrument [Member] | Gain (Loss) on Investments [Member] | Interest Rate Swap [Member] |  |  |  |
Fair Value Hedges [Line Items] |  |  |  |
Gain (Loss) on Fair Value Hedge Ineffectiveness, Net |  | 0 | (3) |
Increase (Decrease) in Fair Value of Hedged Item in Interest Rate Fair Value Hedge |  | $ 0 | $ 1 | $ (12)
[1] | The amounts presented do not include the periodic net coupon settlements of the derivative or the coupon income (expense) related to the hedged item. The net of the amounts presented represents the ineffective portion of the hedge

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of gain (loss)recognized in the income statement from the hedging ineffectiveness of a fair value hedge. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 25 -Section 50 -Paragraph 1 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6886632&loc=d3e76258-113986 + Details
Name: | us-gaap_GainLossOnFairValueHedgeIneffectivenessNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of unrealized gain (loss) included in earnings related to the fair value of the hedged item in an interest rate fair value hedge, offset by the gain (loss) on the hedging instrument to the extent that the fair value hedge is determined to be effective. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624171-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5618551-113959 + Details
Name: | us-gaap_IncreaseDecreaseInFairValueOfHedgedItemInInterestRateFairValueHedge1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis=us-gaap_FairValueHedgingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_GainLossOnInvestmentsMember1
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateSwapMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_CurrencySwapMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=hig_BenefitsLossesAndLossAdjustmentExpensesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_HedgingDesignationAxis=us-gaap_DesignatedAsHedgingInstrumentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |