XML 58 R45.htm IDEA: XBRL DOCUMENT
v3.5.0.2

Investments and Derivative Instruments Level 4 Mortgage Loans (Details) | 6 Months Ended |  |
--- | --- | --- | ---
Jun. 30, 2016 USD ($) | Jun. 30, 2015 USD ($) | Jun. 30, 2016 USD ($) | Dec. 31, 2015 USD ($)
Mortgage Loans [Line Items] |  |  |  |  |
Servicing Asset |  |  |  | $ 0 | $ 0
Loans and Leases Receivable, Allowance [Abstract] |  |  |  |  |
Available-for-sale Securities, Amortized Cost Basis |  |  |  | 57,494,000,000 | 57,807,000,000
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | $ 5,659,000,000 | 5,624,000,000
Loan to Value and Credit Quality [Abstract] |  |  |  |  |
Current Weighted Average Loan to Value Ratio of Commercial Mortgage Loan |  |  |  | 55.00% |
Original Weighted Average Loan to Value Ratio of Commercial Mortgage loan |  |  |  | 62.00% |
Average Debt Service Coverage Ratio |  |  |  | 2.62 |
Commercial Mortgage Loans Credit Quality [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | $ 5,659,000,000 | 5,624,000,000
Available-for-sale Securities Mortgage Loans Average Debt Service Coverage Ratio |  |  |  | 2.62 |
Entity Registrant Name |  | HARTFORD FINANCIAL SERVICES GROUP INC/DE |  |  |
Mortgage Loans on Real Estate by Region and Property Type [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | $ 5,659,000,000 | 5,624,000,000
agriculture loans [Member] |  |  |  |  |
Loans and Leases Receivable, Allowance [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | 16,000,000 | 26,000,000
Commercial Mortgage Loans Credit Quality [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | 16,000,000 | 26,000,000
Mortgage Loans on Real Estate by Region and Property Type [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | 16,000,000 | 26,000,000
Industrial Property [Member] |  |  |  |  |
Loans and Leases Receivable, Allowance [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | 1,440,000,000 | 1,422,000,000
Commercial Mortgage Loans Credit Quality [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | 1,440,000,000 | 1,422,000,000
Mortgage Loans on Real Estate by Region and Property Type [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | 1,440,000,000 | 1,422,000,000
Hotel [Member] |  |  |  |  |
Loans and Leases Receivable, Allowance [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | 25,000,000 | 26,000,000
Commercial Mortgage Loans Credit Quality [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | 25,000,000 | 26,000,000
Mortgage Loans on Real Estate by Region and Property Type [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | 25,000,000 | 26,000,000
Multifamily [Member] |  |  |  |  |
Loans and Leases Receivable, Allowance [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | 1,378,000,000 | 1,345,000,000
Commercial Mortgage Loans Credit Quality [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | 1,378,000,000 | 1,345,000,000
Mortgage Loans on Real Estate by Region and Property Type [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | 1,378,000,000 | 1,345,000,000
Office Building [Member] |  |  |  |  |
Loans and Leases Receivable, Allowance [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | 1,504,000,000 | 1,547,000,000
Commercial Mortgage Loans Credit Quality [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | 1,504,000,000 | 1,547,000,000
Mortgage Loans on Real Estate by Region and Property Type [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | 1,504,000,000 | 1,547,000,000
Retail Site [Member] |  |  |  |  |
Loans and Leases Receivable, Allowance [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | 1,089,000,000 | 1,109,000,000
Commercial Mortgage Loans Credit Quality [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | 1,089,000,000 | 1,109,000,000
Mortgage Loans on Real Estate by Region and Property Type [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | 1,089,000,000 | 1,109,000,000
Other Property [Member] |  |  |  |  |
Loans and Leases Receivable, Allowance [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | 207,000,000 | 149,000,000
Commercial Mortgage Loans Credit Quality [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | 207,000,000 | 149,000,000
Mortgage Loans on Real Estate by Region and Property Type [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | 207,000,000 | 149,000,000
East North Central [Member] |  |  |  |  |
Loans and Leases Receivable, Allowance [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | 315,000,000 | 289,000,000
Commercial Mortgage Loans Credit Quality [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | 315,000,000 | 289,000,000
Mortgage Loans on Real Estate by Region and Property Type [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | 315,000,000 | 289,000,000
East South Central [Member] [Domain] |  |  |  |  |
Loans and Leases Receivable, Allowance [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | 14,000,000 | 14,000,000
Commercial Mortgage Loans Credit Quality [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | 14,000,000 | 14,000,000
Mortgage Loans on Real Estate by Region and Property Type [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | 14,000,000 | 14,000,000
Middle Atlantic [Member] |  |  |  |  |
Loans and Leases Receivable, Allowance [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | 408,000,000 | 384,000,000
Commercial Mortgage Loans Credit Quality [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | 408,000,000 | 384,000,000
Mortgage Loans on Real Estate by Region and Property Type [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | 408,000,000 | 384,000,000
Mountain [Member] |  |  |  |  |
Loans and Leases Receivable, Allowance [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | 35,000,000 | 32,000,000
Commercial Mortgage Loans Credit Quality [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | 35,000,000 | 32,000,000
Mortgage Loans on Real Estate by Region and Property Type [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | 35,000,000 | 32,000,000
New England [Member] |  |  |  |  |
Loans and Leases Receivable, Allowance [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | 445,000,000 | 446,000,000
Commercial Mortgage Loans Credit Quality [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | 445,000,000 | 446,000,000
Mortgage Loans on Real Estate by Region and Property Type [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | 445,000,000 | 446,000,000
Pacific [Member] |  |  |  |  |
Loans and Leases Receivable, Allowance [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | 1,635,000,000 | 1,669,000,000
Commercial Mortgage Loans Credit Quality [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | 1,635,000,000 | 1,669,000,000
Mortgage Loans on Real Estate by Region and Property Type [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | 1,635,000,000 | 1,669,000,000
South Atlantic [Member] |  |  |  |  |
Loans and Leases Receivable, Allowance [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | 1,179,000,000 | 1,174,000,000
Commercial Mortgage Loans Credit Quality [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | 1,179,000,000 | 1,174,000,000
Mortgage Loans on Real Estate by Region and Property Type [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | 1,179,000,000 | 1,174,000,000
West North Central [Member] |  |  |  |  |
Loans and Leases Receivable, Allowance [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | 29,000,000 | 29,000,000
Commercial Mortgage Loans Credit Quality [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | 29,000,000 | 29,000,000
Mortgage Loans on Real Estate by Region and Property Type [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | 29,000,000 | 29,000,000
West South Central [Member] |  |  |  |  |
Loans and Leases Receivable, Allowance [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | 338,000,000 | 318,000,000
Commercial Mortgage Loans Credit Quality [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | 338,000,000 | 318,000,000
Mortgage Loans on Real Estate by Region and Property Type [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | 338,000,000 | 318,000,000
Region Others [Member] |  |  |  |  |
Loans and Leases Receivable, Allowance [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages | [1] |  |  | 1,261,000,000 | 1,269,000,000
Commercial Mortgage Loans Credit Quality [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages | [1] |  |  | 1,261,000,000 | 1,269,000,000
Mortgage Loans on Real Estate by Region and Property Type [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages | [1] |  |  | 1,261,000,000 | 1,269,000,000
Allowance for Loan and Lease Losses [Member] |  |  |  |  |
Loans and Leases Receivable, Allowance [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | 31,000,000 | 82,000,000
Commercial Mortgage Loans Credit Quality [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | 31,000,000 | 82,000,000
Mortgage Loans on Real Estate by Region and Property Type [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | 31,000,000 | 82,000,000
Assets Held-for-sale [Member] |  |  |  |  |
Loans and Leases Receivable, Allowance [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | 0 | 0
Commercial Mortgage Loans Credit Quality [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | 0 | 0
Mortgage Loans on Real Estate by Region and Property Type [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | 0 | 0
Commercial Loan [Member] |  |  |  |  |
Mortgage Loans [Line Items] |  |  |  |  |
Mortgage Loans on Real Estate | [2] |  |  | 5,678,000,000 | 5,647,000,000
Loans and Leases Receivable, Allowance [Abstract] |  |  |  |  |
Allowance for Loan and Lease Losses, Real Estate |  | $ 23,000,000 | $ 18,000,000 | 19,000,000 | 23,000,000
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | 5,659,000,000 | $ 5,624,000,000
Movement in Valuation Allowance for Mortgage Loans [Roll Forward] |  |  |  |  |
Valuation allowance, beginning of period |  | 23,000,000 | 18,000,000 |  |
Allowance for Loan and Lease Losses, Period Increase (Decrease) |  | 0 | 3,000,000 |  |
Allowance for Loan and Lease Losses, Write-offs |  | 4,000,000 | 0 |  |
Valuation allowance, end of period |  | $ 19,000,000 | $ 21,000,000 |  |
Loan to Value and Credit Quality [Abstract] |  |  |  |  |
Average Debt Service Coverage Ratio |  |  |  |  | 2.63
Commercial Mortgage Loans Credit Quality [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | 5,659,000,000 | $ 5,624,000,000
Available-for-sale Securities Mortgage Loans Average Debt Service Coverage Ratio |  |  |  |  | 2.63
Mortgage Loans on Real Estate by Region and Property Type [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | 5,659,000,000 | $ 5,624,000,000
Commercial Loan [Member] | LTV 80 to 100 Percent [Member] |  |  |  |  |
Loans and Leases Receivable, Allowance [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | $ 122,000,000 | $ 24,000,000
Loan to Value and Credit Quality [Abstract] |  |  |  |  |
Average Debt Service Coverage Ratio |  |  |  | 1.16 | 0.81
Commercial Mortgage Loans Credit Quality [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | $ 122,000,000 | $ 24,000,000
Available-for-sale Securities Mortgage Loans Average Debt Service Coverage Ratio |  |  |  | 1.16 | 0.81
Mortgage Loans on Real Estate by Region and Property Type [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | $ 122,000,000 | $ 24,000,000
Commercial Loan [Member] | LTV Between 65 to 80 Percent [Member] |  |  |  |  |
Loans and Leases Receivable, Allowance [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | $ 602,000,000 | $ 623,000,000
Loan to Value and Credit Quality [Abstract] |  |  |  |  |
Average Debt Service Coverage Ratio |  |  |  | 2.08 | 1.82
Commercial Mortgage Loans Credit Quality [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | $ 602,000,000 | $ 623,000,000
Available-for-sale Securities Mortgage Loans Average Debt Service Coverage Ratio |  |  |  | 2.08 | 1.82
Mortgage Loans on Real Estate by Region and Property Type [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | $ 602,000,000 | $ 623,000,000
Commercial Loan [Member] | LTV Less than 65 Percent [Member] |  |  |  |  |
Loans and Leases Receivable, Allowance [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | $ 4,935,000,000 | $ 4,977,000,000
Loan to Value and Credit Quality [Abstract] |  |  |  |  |
Average Debt Service Coverage Ratio |  |  |  | 2.74 | 2.75
Commercial Mortgage Loans Credit Quality [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | $ 4,935,000,000 | $ 4,977,000,000
Available-for-sale Securities Mortgage Loans Average Debt Service Coverage Ratio |  |  |  | 2.74 | 2.75
Mortgage Loans on Real Estate by Region and Property Type [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Carrying Amount of Mortgages |  |  |  | $ 4,935,000,000 | $ 4,977,000,000
Commercial Loan [Member] | Mortgages [Member] |  |  |  |  |
Loan to Value and Credit Quality [Abstract] |  |  |  |  |
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing |  |  |  | 15,000,000 | 17,000,000
Financing Receivable, Allowance for Credit Losses |  |  |  | $ 16,000,000 | $ 20,000,000
Mortgages [Member] |  |  |  |  |
Mortgage Loans on Real Estate by Region and Property Type [Abstract] |  |  |  |  |
Available-for-sale Securities Mortgage Loans Percent |  |  |  | 100.00% | 100.00%
Mortgages [Member] | agriculture loans [Member] |  |  |  |  |
Mortgage Loans on Real Estate by Region and Property Type [Abstract] |  |  |  |  |
Available-for-sale Securities Mortgage Loans Percent |  |  |  | 0.30% | 0.50%
Mortgages [Member] | Industrial Property [Member] |  |  |  |  |
Mortgage Loans on Real Estate by Region and Property Type [Abstract] |  |  |  |  |
Available-for-sale Securities Mortgage Loans Percent |  |  |  | 25.40% | 25.30%
Mortgages [Member] | Hotel [Member] |  |  |  |  |
Mortgage Loans on Real Estate by Region and Property Type [Abstract] |  |  |  |  |
Available-for-sale Securities Mortgage Loans Percent |  |  |  | 0.40% | 0.50%
Mortgages [Member] | Multifamily [Member] |  |  |  |  |
Mortgage Loans on Real Estate by Region and Property Type [Abstract] |  |  |  |  |
Available-for-sale Securities Mortgage Loans Percent |  |  |  | 24.40% | 23.90%
Mortgages [Member] | Office Building [Member] |  |  |  |  |
Mortgage Loans on Real Estate by Region and Property Type [Abstract] |  |  |  |  |
Available-for-sale Securities Mortgage Loans Percent |  |  |  | 26.60% | 27.50%
Mortgages [Member] | Retail Site [Member] |  |  |  |  |
Mortgage Loans on Real Estate by Region and Property Type [Abstract] |  |  |  |  |
Available-for-sale Securities Mortgage Loans Percent |  |  |  | 19.20% | 19.70%
Mortgages [Member] | Other Property [Member] |  |  |  |  |
Mortgage Loans on Real Estate by Region and Property Type [Abstract] |  |  |  |  |
Available-for-sale Securities Mortgage Loans Percent |  |  |  | 3.70% | 2.60%
Mortgages [Member] | East North Central [Member] |  |  |  |  |
Mortgage Loans on Real Estate by Region and Property Type [Abstract] |  |  |  |  |
Available-for-sale Securities Mortgage Loans Percent |  |  |  | 5.60% | 5.10%
Mortgages [Member] | East South Central [Member] [Domain] |  |  |  |  |
Mortgage Loans on Real Estate by Region and Property Type [Abstract] |  |  |  |  |
Available-for-sale Securities Mortgage Loans Percent |  |  |  | 0.20% | 0.20%
Mortgages [Member] | Middle Atlantic [Member] |  |  |  |  |
Mortgage Loans on Real Estate by Region and Property Type [Abstract] |  |  |  |  |
Available-for-sale Securities Mortgage Loans Percent |  |  |  | 7.20% | 6.80%
Mortgages [Member] | Mountain [Member] |  |  |  |  |
Mortgage Loans on Real Estate by Region and Property Type [Abstract] |  |  |  |  |
Available-for-sale Securities Mortgage Loans Percent |  |  |  | 0.60% | 0.60%
Mortgages [Member] | New England [Member] |  |  |  |  |
Mortgage Loans on Real Estate by Region and Property Type [Abstract] |  |  |  |  |
Available-for-sale Securities Mortgage Loans Percent |  |  |  | 7.90% | 7.90%
Mortgages [Member] | Pacific [Member] |  |  |  |  |
Mortgage Loans on Real Estate by Region and Property Type [Abstract] |  |  |  |  |
Available-for-sale Securities Mortgage Loans Percent |  |  |  | 28.90% | 29.70%
Mortgages [Member] | South Atlantic [Member] |  |  |  |  |
Mortgage Loans on Real Estate by Region and Property Type [Abstract] |  |  |  |  |
Available-for-sale Securities Mortgage Loans Percent |  |  |  | 20.80% | 20.90%
Mortgages [Member] | West North Central [Member] |  |  |  |  |
Mortgage Loans on Real Estate by Region and Property Type [Abstract] |  |  |  |  |
Available-for-sale Securities Mortgage Loans Percent |  |  |  | 0.50% | 0.50%
Mortgages [Member] | West South Central [Member] |  |  |  |  |
Mortgage Loans on Real Estate by Region and Property Type [Abstract] |  |  |  |  |
Available-for-sale Securities Mortgage Loans Percent |  |  |  | 6.00% | 5.70%
Mortgages [Member] | Region Others [Member] |  |  |  |  |
Mortgage Loans on Real Estate by Region and Property Type [Abstract] |  |  |  |  |
Available-for-sale Securities Mortgage Loans Percent | [1] |  |  | 22.30% | 22.60%
Nonperforming Financial Instruments [Member] | Commercial Loan [Member] |  |  |  |  |
Loan to Value and Credit Quality [Abstract] |  |  |  |  |
Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans |  |  |  | $ 1 | $ 2
Commercial Loan [Member] |  |  |  |  |
Mortgage Loans [Line Items] |  |  |  |  |
Servicing Asset at Amortized Cost, Fair Value |  |  |  | 545,000,000 | 359,000,000
Continuing Involvement with Derecognized Transferred Financial Assets, Amount Outstanding |  |  |  | 178,000,000 | 129,000,000
Investments [Member] | Commercial Loan [Member] |  |  |  |  |
Mortgage Loans [Line Items] |  |  |  |  |
Continuing Involvement with Continued to be Recognized Transferred Financial Assets, Amount Outstanding |  |  |  | 367,000,000 | 230,000,000
Separate Accounts [Member] | Commercial Loan [Member] |  |  |  |  |
Mortgage Loans [Line Items] |  |  |  |  |
Continuing Involvement with Continued to be Recognized Transferred Financial Assets, Amount Outstanding |  |  |  | $ 89,000,000 | $ 54,000,000
[1] | Primarily represents loans collateralized by multiple properties in various regions.
[2] | Amortized cost represents carrying value prior to valuation allowances, if any.

X
- Definition The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation 12B -Number 240 -Section 12b -Subsection 1 + Details
Name: | dei_EntityRegistrantName
Namespace Prefix: | dei_
Data Type: | xbrli:normalizedStringItemType
Balance Type: | na
Period Type: | duration

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

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=49124121&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 This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.2) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_AvailableForSaleSecuritiesAmortizedCost
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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=51814546&loc=d3e107314-111719 + Details
Name: | us-gaap_DerecognizedAssetsSecuritizedOrAssetbackedFinancingArrangementAssetsAndAnyOtherFinancialAssetsManagedTogetherPrincipalAmountOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Definition A valuation allowance for financing receivables that are expected to be uncollectible. + 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)(1) -URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLosses
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Recorded investment in financing receivables that are on nonaccrual status as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5111-111524 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
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
- References No definition available. + Details
Name: | us-gaap_LoansAndLeasesReceivableAllowanceAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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

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
- References No definition available. + Details
Name: | us-gaap_ReceivablesAbstract
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=51814546&loc=d3e107314-111719 + Details
Name: | us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherPrincipalAmountOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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=56950315&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=56950315&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_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: | 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_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_MortgageLoansOnRealEstateLoanTypeAxis=us-gaap_CommercialLoanMember
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: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_MortgagesMember
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_FinancialInstrumentPerformanceStatusAxis=us-gaap_NonperformingFinancingReceivableMember
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: |