XML 152 R95.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Derivatives - Fair Value Hedges - Non-qualifying Strategies (Details) - Not Designated as Hedging Instrument - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Non-qualifying foreign currency derivatives | $ (12) | $ (6) | $ 74
Foreign Exchange Forward [Member] |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Non-qualifying foreign currency derivatives | 3 | (14) | 83
Interest rate swaps, swaptions and futures |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Non-qualifying foreign currency derivatives | (3) | (5) | 1
Credit derivatives | Credit derivatives that purchase credit protection |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Non-qualifying foreign currency derivatives | 0 | 28 | (17)
Credit derivatives | Credit derivatives that assume credit risk |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Non-qualifying foreign currency derivatives | (14) | (7) | 28
Equity index swaps and options |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Non-qualifying foreign currency derivatives | 2 | (7) | (15)
Contingent capital facility put option |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Non-qualifying foreign currency derivatives | $ 0 | $ (1) | $ (6)

X
- Definition Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5618551-113959 + Details
Name: | us-gaap_DerivativeGainLossOnDerivativeNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

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

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

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

X
- Details
Name: | us-gaap_CreditDerivativesByContractTypeAxis=us-gaap_CreditDefaultSwapBuyingProtectionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditDerivativesByContractTypeAxis=us-gaap_CreditDefaultSwapSellingProtectionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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