XML 110 R66.htm IDEA: XBRL DOCUMENT
v3.19.3

Investments - Investments - Unrealized Losses on AFS Securities (Details) $ in Millions | Sep. 30, 2019 USD ($) | Dec. 31, 2018 USD ($)
--- | --- | ---
Debt Securities, Available-for-sale [Line Items] |  |
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions | 781 |
Percentage of Gross Unrealized Losses Depressed Less than Twenty Percent of Cost or Amortized Cost | 95.00% |
ABS |  |
Debt Securities, Available-for-sale [Line Items] |  |
Less Than 12 Months Amortized Cost | $ 144 | $ 566
Less Than 12 Months FV | 143 | 566
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | 1 | 0
12 Months or More Amortized Cost | 11 | 113
12 Months or More FV | 11 | 112
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 0 | 1
Total Amortized Cost | 155 | 679
Total FV | 154 | 678
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | 1 | 1
CLOs |  |
Debt Securities, Available-for-sale [Line Items] |  |
Less Than 12 Months Amortized Cost | 1,109 | 1,358
Less Than 12 Months FV | 1,105 | 1,338
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | 4 | 20
12 Months or More Amortized Cost | 429 | 7
12 Months or More FV | 425 | 7
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 4 | 0
Total Amortized Cost | 1,538 | 1,365
Total FV | 1,530 | 1,345
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | 8 | 20
CMBS |  |
Debt Securities, Available-for-sale [Line Items] |  |
Less Than 12 Months Amortized Cost | 88 | 896
Less Than 12 Months FV | 87 | 882
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | 1 | 14
12 Months or More Amortized Cost | 31 | 1,129
12 Months or More FV | 26 | 1,079
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 5 | 50
Total Amortized Cost | 119 | 2,025
Total FV | 113 | 1,961
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | 6 | 64
Corporate |  |
Debt Securities, Available-for-sale [Line Items] |  |
Less Than 12 Months Amortized Cost | 930 | 7,174
Less Than 12 Months FV | 918 | 6,903
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | 12 | 271
12 Months or More Amortized Cost | 497 | 2,541
12 Months or More FV | 473 | 2,366
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 24 | 175
Total Amortized Cost | 1,427 | 9,715
Total FV | 1,391 | 9,269
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | 36 | 446
Foreign Govt./Govt. Agencies |  |
Debt Securities, Available-for-sale [Line Items] |  |
Less Than 12 Months Amortized Cost | 58 | 407
Less Than 12 Months FV | 58 | 391
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | 0 | 16
12 Months or More Amortized Cost | 39 | 203
12 Months or More FV | 38 | 193
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 1 | 10
Total Amortized Cost | 97 | 610
Total FV | 96 | 584
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | 1 | 26
Municipal |  |
Debt Securities, Available-for-sale [Line Items] |  |
Less Than 12 Months Amortized Cost | 128 | 1,643
Less Than 12 Months FV | 127 | 1,613
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | 1 | 30
12 Months or More Amortized Cost | 0 | 292
12 Months or More FV | 0 | 275
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 0 | 17
Total Amortized Cost | 128 | 1,935
Total FV | 127 | 1,888
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | 1 | 47
RMBS |  |
Debt Securities, Available-for-sale [Line Items] |  |
Less Than 12 Months Amortized Cost | 166 | 1,344
Less Than 12 Months FV | 165 | 1,329
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | 1 | 15
12 Months or More Amortized Cost | 69 | 648
12 Months or More FV | 69 | 628
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 0 | 20
Total Amortized Cost | 235 | 1,992
Total FV | 234 | 1,957
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | 1 | 35
U.S. Treasuries |  |
Debt Securities, Available-for-sale [Line Items] |  |
Less Than 12 Months Amortized Cost | 37 | 497
Less Than 12 Months FV | 37 | 492
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | 0 | 5
12 Months or More Amortized Cost | 119 | 339
12 Months or More FV | 119 | 329
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 0 | 10
Total Amortized Cost | 156 | 836
Total FV | 156 | 821
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | 0 | 15
Available-for-sale Securities [Member] |  |
Debt Securities, Available-for-sale [Line Items] |  |
Less Than 12 Months Amortized Cost | 2,660 | 13,885
Less Than 12 Months FV | 2,640 | 13,514
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | 20 | 371
12 Months or More Amortized Cost | 1,195 | 5,272
12 Months or More FV | 1,161 | 4,989
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 34 | 283
Total Amortized Cost | 3,855 | 19,157
Total FV | 3,801 | 18,503
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | $ 54 | $ 654

X
- Definition Available-for-sale securities continuous unrealized loss position amortized cost. + References No definition available. + Details
Name: | hig_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAmortizedCost
Namespace Prefix: | hig_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Available-for-sale securities continuous unrealized loss position twelve months or longer amortized cost. + References No definition available. + Details
Name: | hig_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerAmortizedCost
Namespace Prefix: | hig_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Available-for-sale securities continuous unrealized loss position less than twelve months, amortized cost. + References No definition available. + Details
Name: | hig_AvailableforsaleSecuritiesContinuousUnrealizedLossPositionLessthanTwelveMonthsAmortizedCost
Namespace Prefix: | hig_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Percentage of gross unrealized losses depressed less than twenty percent of cost or amortized cost. + References No definition available. + Details
Name: | hig_PercentageOfGrossUnrealizedLossesDepressedLessThanTwentyPercentOfCostOrAmortizedCost
Namespace Prefix: | hig_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale that have been in a continuous loss position for twelve months or longer. + References No definition available. + Details
Name: | us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale in a continuous loss position. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27337-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition This item represents the aggregate fair value of investments in debt and equity securities in an unrealized loss position which are categorized neither as held-to-maturity nor trading securities. + References No definition available. + Details
Name: | us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale that have been in a continuous loss position for less than twelve months. + References No definition available. + Details
Name: | us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition This item represents the aggregate fair value of investments in debt and equity securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for less than twelve months. + References No definition available. + Details
Name: | us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition This item represents the aggregate fair value of investments in debt and equity securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for twelve months or longer. + References No definition available. + Details
Name: | us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Number of investment positions in available-for-sale investments in a continuous unrealized loss position for which an other-than-temporary impairment (OTTI) has not been recognized in the income statement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27290-111563 + Details
Name: | us-gaap_AvailableforsaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositions1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
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_ScheduleOfAvailableForSaleSecuritiesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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

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

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

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

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

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

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

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

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