XML 100 R52.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Investment Holding Level 4 Mortgage Loans (Details) | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2017 USD ($) | Mar. 31, 2016 USD ($) | Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($)
Mortgage Loans on Real Estate [Line Items] |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages | $ 5,685,000,000 |  | $ 5,697,000,000 |
Movement in Mortgage Loans on Real Estate [Roll Forward] |  |  |  |
Current Weighted Average Loan to Value Ratio of Commercial Mortgage Loan | 51.00% |  |  |
Original Weighted Average Loan to Value Ratio of Commercial Mortgage loan | 62.00% |  |  |
Servicing Asset [Abstract] |  |  |  |
Servicing Asset at Fair Value, Amount | $ 0 |  | 0 |
Commercial Loan [Member] |  |  |  |
Mortgage Loans on Real Estate [Line Items] |  |  |  |
Mortgage Loans on Real Estate | 5,700,000,000 |  | 5,700,000,000 |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages | 5,685,000,000 |  | 5,697,000,000 |
Movement in Mortgage Loans on Real Estate [Roll Forward] |  |  |  |
Allowance for Loan and Lease Losses, Real Estate | 19,000,000 | $ 22,000,000 | $ 19,000,000 | $ 23,000,000
Allowance for Loan and Lease Losses, Period Increase (Decrease) | 0 | 0 |  |
Allowance for Loan and Lease Losses, Write-offs | $ 0 | $ 1,000,000 |  |
Average Debt Service Coverage Ratio | 2.67 |  | 2.70 |
Allowance for Loan and Lease Losses [Member] |  |  |  |
Mortgage Loans on Real Estate [Line Items] |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages | $ 57,000,000 |  | $ 31,000,000 |
Disposal Group, Held-for-sale, Not Discontinued Operations [Member] |  |  |  |
Mortgage Loans on Real Estate [Line Items] |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages | 0 |  | 0 |
Nonperforming Financial Instruments [Member] | Commercial Loan [Member] |  |  |  |
Movement in Mortgage Loans on Real Estate [Roll Forward] |  |  |  |
Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans | 2 |  | 1 |
Mortgages [Member] | Commercial Loan [Member] |  |  |  |
Movement in Mortgage Loans on Real Estate [Roll Forward] |  |  |  |
Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans | 27,000,000 |  | 15,000,000 |
Mortgage Loans on Real Estate, Write-down or Reserve, Amount | 18,000,000 |  | 16,000,000 |
LTV 80 to 100 Percent [Member] | Commercial Loan [Member] |  |  |  |
Mortgage Loans on Real Estate [Line Items] |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages | $ 21,000,000 |  | $ 20,000,000 |
Movement in Mortgage Loans on Real Estate [Roll Forward] |  |  |  |
Average Debt Service Coverage Ratio | 0.59 |  | 0.59 |
LTV Between 65 to 80 Percent [Member] | Commercial Loan [Member] |  |  |  |
Mortgage Loans on Real Estate [Line Items] |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages | $ 524,000,000 |  | $ 568,000,000 |
Movement in Mortgage Loans on Real Estate [Roll Forward] |  |  |  |
Average Debt Service Coverage Ratio | 2.20 |  | 2.17 |
LTV Less than 65 Percent [Member] | Commercial Loan [Member] |  |  |  |
Mortgage Loans on Real Estate [Line Items] |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages | $ 5,140,000,000 |  | $ 5,109,000,000 |
Movement in Mortgage Loans on Real Estate [Roll Forward] |  |  |  |
Average Debt Service Coverage Ratio | 2.74 |  | 2.78 |
East North Central [Member] |  |  |  |
Mortgage Loans on Real Estate [Line Items] |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages | $ 293,000,000 |  | $ 293,000,000 |
East South Central [Member] [Domain] |  |  |  |
Mortgage Loans on Real Estate [Line Items] |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages | 14,000,000 |  | 14,000,000 |
Middle Atlantic [Member] |  |  |  |
Mortgage Loans on Real Estate [Line Items] |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages | 557,000,000 |  | 534,000,000 |
Mountain [Member] |  |  |  |
Mortgage Loans on Real Estate [Line Items] |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages | 61,000,000 |  | 61,000,000 |
New England [Member] |  |  |  |
Mortgage Loans on Real Estate [Line Items] |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages | 389,000,000 |  | 345,000,000 |
Pacific [Member] |  |  |  |
Mortgage Loans on Real Estate [Line Items] |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages | 1,604,000,000 |  | 1,609,000,000 |
South Atlantic [Member] |  |  |  |
Mortgage Loans on Real Estate [Line Items] |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages | 1,217,000,000 |  | 1,198,000,000 |
West North Central [Member] |  |  |  |
Mortgage Loans on Real Estate [Line Items] |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages | 40,000,000 |  | 40,000,000 |
West South Central [Member] |  |  |  |
Mortgage Loans on Real Estate [Line Items] |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages | 347,000,000 |  | 338,000,000 |
Region Others [Member] |  |  |  |
Mortgage Loans on Real Estate [Line Items] |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages | $ 1,163,000,000 |  | $ 1,265,000,000 |
Mortgages [Member] |  |  |  |
Mortgage Loans on Real Estate [Line Items] |  |  |  |
Investment Owned, Percent of Net Assets | 100.00% |  | 100.00% |
Mortgages [Member] | East North Central [Member] |  |  |  |
Mortgage Loans on Real Estate [Line Items] |  |  |  |
Investment Owned, Percent of Net Assets | 5.20% |  | 5.10% |
Mortgages [Member] | East South Central [Member] [Domain] |  |  |  |
Mortgage Loans on Real Estate [Line Items] |  |  |  |
Investment Owned, Percent of Net Assets | 0.20% |  | 0.20% |
Mortgages [Member] | Middle Atlantic [Member] |  |  |  |
Mortgage Loans on Real Estate [Line Items] |  |  |  |
Investment Owned, Percent of Net Assets | 9.80% |  | 9.40% |
Mortgages [Member] | Mountain [Member] |  |  |  |
Mortgage Loans on Real Estate [Line Items] |  |  |  |
Investment Owned, Percent of Net Assets | 1.10% |  | 1.10% |
Mortgages [Member] | New England [Member] |  |  |  |
Mortgage Loans on Real Estate [Line Items] |  |  |  |
Investment Owned, Percent of Net Assets | 6.80% |  | 6.10% |
Mortgages [Member] | Pacific [Member] |  |  |  |
Mortgage Loans on Real Estate [Line Items] |  |  |  |
Investment Owned, Percent of Net Assets | 28.20% |  | 28.30% |
Mortgages [Member] | South Atlantic [Member] |  |  |  |
Mortgage Loans on Real Estate [Line Items] |  |  |  |
Investment Owned, Percent of Net Assets | 21.40% |  | 21.00% |
Mortgages [Member] | West North Central [Member] |  |  |  |
Mortgage Loans on Real Estate [Line Items] |  |  |  |
Investment Owned, Percent of Net Assets | 0.70% |  | 0.70% |
Mortgages [Member] | West South Central [Member] |  |  |  |
Mortgage Loans on Real Estate [Line Items] |  |  |  |
Investment Owned, Percent of Net Assets | 6.10% |  | 5.90% |
Mortgages [Member] | Region Others [Member] |  |  |  |
Mortgage Loans on Real Estate [Line Items] |  |  |  |
Investment Owned, Percent of Net Assets | 20.50% |  | 22.20% |
agriculture loans [Member] |  |  |  |
Mortgage Loans on Real Estate [Line Items] |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages | $ 16,000,000 |  | $ 16,000,000 |
agriculture loans [Member] | Mortgages [Member] |  |  |  |
Mortgage Loans on Real Estate [Line Items] |  |  |  |
Investment Owned, Percent of Net Assets | 0.30% |  | 0.30% |
Industrial Property [Member] |  |  |  |
Mortgage Loans on Real Estate [Line Items] |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages | $ 1,397,000,000 |  | $ 1,468,000,000 |
Industrial Property [Member] | Mortgages [Member] |  |  |  |
Mortgage Loans on Real Estate [Line Items] |  |  |  |
Investment Owned, Percent of Net Assets | 24.60% |  | 25.70% |
Hotel [Member] |  |  |  |
Mortgage Loans on Real Estate [Line Items] |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages | $ 25,000,000 |  | $ 25,000,000 |
Hotel [Member] | Mortgages [Member] |  |  |  |
Mortgage Loans on Real Estate [Line Items] |  |  |  |
Investment Owned, Percent of Net Assets | 0.40% |  | 0.40% |
Multifamily [Member] |  |  |  |
Mortgage Loans on Real Estate [Line Items] |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages | $ 1,372,000,000 |  | $ 1,365,000,000 |
Multifamily [Member] | Mortgages [Member] |  |  |  |
Mortgage Loans on Real Estate [Line Items] |  |  |  |
Investment Owned, Percent of Net Assets | 24.10% |  | 24.00% |
Office Building [Member] |  |  |  |
Mortgage Loans on Real Estate [Line Items] |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages | $ 1,427,000,000 |  | $ 1,361,000,000 |
Office Building [Member] | Mortgages [Member] |  |  |  |
Mortgage Loans on Real Estate [Line Items] |  |  |  |
Investment Owned, Percent of Net Assets | 25.10% |  | 23.90% |
Retail Site [Member] |  |  |  |
Mortgage Loans on Real Estate [Line Items] |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages | $ 1,012,000,000 |  | $ 1,036,000,000 |
Retail Site [Member] | Mortgages [Member] |  |  |  |
Mortgage Loans on Real Estate [Line Items] |  |  |  |
Investment Owned, Percent of Net Assets | 17.80% |  | 18.20% |
Other Property [Member] |  |  |  |
Mortgage Loans on Real Estate [Line Items] |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages | $ 436,000,000 |  | $ 426,000,000 |
Other Property [Member] | Mortgages [Member] |  |  |  |
Mortgage Loans on Real Estate [Line Items] |  |  |  |
Investment Owned, Percent of Net Assets | 7.70% |  | 7.50% |
Commercial Loan [Member] |  |  |  |
Servicing Asset [Abstract] |  |  |  |
Servicing Asset at Amortized Cost, Fair Value | $ 983,000,000 |  | $ 901,000,000 |
Continuing Involvement with Derecognized Transferred Financial Assets, Amount Outstanding | 266,000,000 |  | 251,000,000 |
Investments [Member] | Commercial Loan [Member] |  |  |  |
Servicing Asset [Abstract] |  |  |  |
Continuing Involvement with Continued to be Recognized Transferred Financial Assets, Amount Outstanding | 717,000,000 |  | 650,000,000 |
Separate Accounts [Member] | Commercial Loan [Member] |  |  |  |
Servicing Asset [Abstract] |  |  |  |
Continuing Involvement with Continued to be Recognized Transferred Financial Assets, Amount Outstanding | $ 143,000,000 |  | $ 124,000,000 |

X
- Definition Average debt service coverage ratio. + References No definition available. + Details
Name: | hig_AverageDebtServiceCoverageRatio
Namespace Prefix: | hig_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition Current weighted average loan to value ratio of commercial mortgage loan. + References No definition available. + Details
Name: | hig_CurrentWeightedAverageLoanToValueRatioOfCommercialMortgageLoan
Namespace Prefix: | hig_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Original weighted average loan to value ratio of commercial mortgage loan. + References No definition available. + Details
Name: | hig_OriginalWeightedAverageLoanToValueRatioOfCommercialMortgageLoan
Namespace Prefix: | hig_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of increase (decrease) of allowance reserve for credit loss. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
Name: | us-gaap_AllowanceForLoanAndLeaseLossesPeriodIncreaseDecrease
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition The reserve to cover probable credit losses related to specifically identified fixed maturity real estate loans as well as probable credit losses inherent in the remainder of that loan portfolio. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 310 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6873192&loc=d3e21338-158488 + Details
Name: | us-gaap_AllowanceForLoanAndLeaseLossesRealEstate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
Name: | us-gaap_AllowanceForLoanAndLeaseLossesWriteOffs
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of transferred financial assets in which the transferor has continuing involvement with the assets underlying the transaction that have been derecognized. Continuing involvement includes, but is not limited to, servicing, recourse, and restrictions on transferor's interests in transferred financial assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=64830801&loc=d3e107314-111719 + Details
Name: | us-gaap_DerecognizedAssetsSecuritizedOrAssetbackedFinancingArrangementAssetsAndAnyOtherFinancialAssetsManagedTogetherPrincipalAmountOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Percent of net assets at close of period. For schedules of investments that are categorized, each category has a percent of net assets for the aggregated value of the Investments in the category. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-12.3) -URI http://asc.fasb.org/extlink&oid=50485924&loc=d3e611133-123010 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-12C.Column D.2) -URI http://asc.fasb.org/extlink&oid=50485924&loc=d3e611225-123010 + Details
Name: | us-gaap_InvestmentOwnedPercentOfNetAssets
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Total carrying amount of mortgage loans as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 10 -Section S99 -Paragraph 6 -Subparagraph (SX 210.5-04.(c) Schedule IV) -URI http://asc.fasb.org/extlink&oid=27047687&loc=d3e5864-122674 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 310 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-29.6) -URI http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014 + Details
Name: | us-gaap_MortgageLoansOnRealEstate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The carrying amount of the outstanding balance due under the mortgage loan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 10 -Section S99 -Paragraph 6 -Subparagraph (SX 210.5-04.(c) Schedule IV) -URI http://asc.fasb.org/extlink&oid=27047687&loc=d3e5864-122674 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 310 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-29) -URI http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014 + Details
Name: | us-gaap_MortgageLoansOnRealEstateCarryingAmountOfMortgages
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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_MortgageLoansOnRealEstateLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of principal due on loans that have been delinquent, which may exclude loans having interest delinquent for three months or less, as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 10 -Section S99 -Paragraph 6 -Subparagraph (SX 210.5-04.(c) Schedule IV) -URI http://asc.fasb.org/extlink&oid=27047687&loc=d3e5864-122674 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 310 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-29.10(a)) -URI http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014 + Details
Name: | us-gaap_MortgageLoansOnRealEstatePrincipalAmountOfDelinquentLoans
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of reserve for write-down of a mortgage loan on real estate. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 310 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-29.7) -URI http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 10 -Section S99 -Paragraph 6 -Subparagraph (SX 210.5-04.(c) Schedule IV) -URI http://asc.fasb.org/extlink&oid=27047687&loc=d3e5864-122674 + Details
Name: | us-gaap_MortgageLoansOnRealEstateWritedownOrReserveAmount1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_MovementInMortgageLoansOnRealEstateRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of transferred financial assets in which the transferor has continuing involvement with the assets underlying the transaction that continue to be recognized in the statement of financial position. Includes, but is not limited to, servicing, recourse, and restrictions on transferor's interests in transferred financial assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=64830801&loc=d3e107314-111719 + Details
Name: | us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherPrincipalAmountOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_ServicingAssetAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value of contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 50 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=68078379&loc=d3e122739-111746 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=7516967&loc=d3e66267-113978 + Details
Name: | us-gaap_ServicingAssetAtAmortizedValueFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of an asset representing net future revenue from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=68078379&loc=d3e122625-111746 + Details
Name: | us-gaap_ServicingAssetAtFairValueAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_MortgageLoansOnRealEstateLoanTypeAxis=us-gaap_CommercialLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ValuationAllowancesAndReservesTypeAxis=us-gaap_AllowanceForLoanAndLeaseLossesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongLivedAssetsHeldForSaleByAssetTypeAxis=us-gaap_DisposalGroupHeldforsaleNotDiscontinuedOperationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentPerformanceStatusAxis=us-gaap_NonperformingFinancingReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_MortgagesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LoanToValueAxis=us-gaap_Ltv80To100PercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LoanToValueAxis=hig_LTVBetween65to80PercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LoanToValueAxis=hig_LTVLessthan65PercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | invest_InvestmentGeographicRegionAxis=hig_EastNorthCentralMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | invest_InvestmentGeographicRegionAxis=hig_EastSouthCentralMemberDomain
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | invest_InvestmentGeographicRegionAxis=hig_MiddleAtlanticMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | invest_InvestmentGeographicRegionAxis=hig_MountainMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | invest_InvestmentGeographicRegionAxis=hig_NewEnglandMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | invest_InvestmentGeographicRegionAxis=hig_PacificMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | invest_InvestmentGeographicRegionAxis=hig_SouthAtlanticMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | invest_InvestmentGeographicRegionAxis=hig_WestNorthCentralMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | invest_InvestmentGeographicRegionAxis=hig_WestSouthCentralMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | invest_InvestmentGeographicRegionAxis=hig_RegionOthersMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=us-gaap_MortgagesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=hig_AgricultureloansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=us-gaap_IndustrialPropertyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=us-gaap_HotelMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=us-gaap_MultifamilyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=us-gaap_OfficeBuildingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=us-gaap_RetailSiteMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=us-gaap_OtherPropertyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_CommercialLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=us-gaap_InvestmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=hig_SeparateAccountsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |