XML 126 R78.htm IDEA: XBRL DOCUMENT
v3.21.2

Derivatives - Credit Risk Assumed through Credit Derivatives (Details) - USD ($) $ in Millions | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2021 | Dec. 31, 2020
Credit Derivatives [Line Items] |  |
Derivative, Notional Amount | $ 11,425 | $ 12,129
Fair Value | (36) | (61)
Credit derivatives |  |
Credit Derivatives [Line Items] |  |
Derivative, Notional Amount | 181 | 784
Fair Value | 5 | 18
Offsetting Notional Amount | 106 | 109
Derivative, Fair Value, Gross Offsetting Amount | 2 | 3
Credit derivatives | Single name credit default swaps | A Minus | Investment grade risk exposure |  |
Credit Derivatives [Line Items] |  |
Derivative, Notional Amount |  | 175
Fair Value |  | $ 9
Weighted Average Years to Maturity |  | 5 years
Offsetting Notional Amount |  | $ 0
Derivative, Fair Value, Gross Offsetting Amount |  | 0
Credit derivatives | Basket credit default swaps | BBB Plus | Investment grade risk exposure |  |
Credit Derivatives [Line Items] |  |
Derivative, Notional Amount |  | 500
Fair Value |  | $ 12
Weighted Average Years to Maturity |  | 5 years
Offsetting Notional Amount |  | $ 0
Derivative, Fair Value, Gross Offsetting Amount |  | 0
Credit derivatives | Basket credit default swaps | Standard & Poor's, AAA Rating [Member] | Investment grade risk exposure |  |
Credit Derivatives [Line Items] |  |
Derivative, Notional Amount | 100 | 100
Fair Value | $ 1 | $ 1
Weighted Average Years to Maturity | 7 years | 8 years
Offsetting Notional Amount | $ 100 | $ 100
Derivative, Fair Value, Gross Offsetting Amount | (1) | (1)
Credit derivatives | Basket credit default swaps | Standard & Poor's, B+ Rating | Below investment grade risk exposure |  |
Credit Derivatives [Line Items] |  |
Derivative, Notional Amount | 75 |
Fair Value | $ 7 |
Weighted Average Years to Maturity | 5 years |
Offsetting Notional Amount | $ 0 |
Derivative, Fair Value, Gross Offsetting Amount | 0 |
Credit derivatives | Basket credit default swaps | Standard & Poor's, CCC+ Rating | Below investment grade risk exposure |  |
Credit Derivatives [Line Items] |  |
Derivative, Notional Amount | 6 | 9
Fair Value | $ (3) | $ (4)
Average Term of Credit Risk Derivatives Less than 1 Year | Less than 1 year | Less than 1 year
Offsetting Notional Amount | $ 6 | $ 9
Derivative, Fair Value, Gross Offsetting Amount | $ 3 | $ 4

X
- Definition Average Term of Credit Risk Derivatives Less than 1 Year + References No definition available. + Details
Name: | hig_AverageTermofCreditRiskDerivativesLessthan1Year
Namespace Prefix: | hig_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Derivative, Fair Value, Gross Offsetting Amount + References No definition available. + Details
Name: | hig_DerivativeFairValueGrossOffsettingAmount
Namespace Prefix: | hig_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Derivative, Nominal Value, Gross Offsetting Amount + References No definition available. + Details
Name: | hig_DerivativeNominalValueGrossOffsettingAmount
Namespace Prefix: | hig_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Average period covered by credit risk derivative contracts, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4K -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5708775-113959 + Details
Name: | us-gaap_AverageTermOfCreditRiskDerivatives1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
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_CreditDerivativesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value of the assets less the liabilities of a derivative or group of derivatives. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=123594938&loc=d3e13433-108611 + Details
Name: | us-gaap_DerivativeFairValueOfDerivativeNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Nominal or face amount used to calculate payment on derivative. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5580258-113959 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959 + Details
Name: | us-gaap_DerivativeNotionalAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

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

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

X
- Details
Name: | srt_CreditRatingStandardPoorsAxis=srt_StandardPoorsAMinusRatingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ExternalCreditRatingByGroupingAxis=us-gaap_ExternalCreditRatingInvestmentGradeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | srt_CreditRatingStandardPoorsAxis=srt_StandardPoorsBBBPlusRatingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CreditRatingStandardPoorsAxis=srt_StandardPoorsAAARatingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CreditRatingStandardPoorsAxis=srt_StandardPoorsBPlusRatingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ExternalCreditRatingByGroupingAxis=us-gaap_ExternalCreditRatingNonInvestmentGradeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CreditRatingStandardPoorsAxis=srt_StandardPoorsCCCPlusRatingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |