XML 169 R112.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Reserve for Unpaid Losses and Loss Adjustment Expenses - Discounted Reserves, Group (Details) - Group Insurance Policies - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Weighted Average Discount Rate [Line Items] |  |  |
Liability for unpaid losses and loss adjustment expenses, at undiscounted amounts | $ 8,957 | $ 9,071 | $ 6,382
Less: amount of discount | 1,505 | 1,536 | 1,303
Carrying value of liability for unpaid losses and loss adjustment expenses | $ 7,452 | $ 7,535 | $ 5,079
Weighted average discount rate | 3.40% | 3.50% | 4.30%
Minimum |  |  |
Weighted Average Discount Rate [Line Items] |  |  |
Range of discount rates | 2.10% | 2.10% | 3.00%
Maximum |  |  |
Weighted Average Discount Rate [Line Items] |  |  |
Range of discount rates | 8.00% | 8.00% | 8.00%

X
- Definition Range of Discount Rates + References No definition available. + Details
Name: | hig_RangeofDiscountRates
Namespace Prefix: | hig_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Short-Duration Contracts, Undiscounted Liabilities, Amount + References No definition available. + Details
Name: | hig_ShortDurationContractsUndiscountedLiabilitiesAmount
Namespace Prefix: | hig_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The carrying amount as of the balance sheet date of loss reserves carried at present value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 20 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.N.Q1) -URI http://asc.fasb.org/extlink&oid=27015749&loc=d3e569934-122904 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 5 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=99384497&loc=d3e14881-158438 + Details
Name: | us-gaap_ShortDurationContractsDiscountedLiabilitiesAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of cumulative discount related to the time value of money deducted from short-duration insurance contract liabilities that are reported at present value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 5 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=99384497&loc=d3e14881-158438 + Details
Name: | us-gaap_ShortdurationInsuranceContractsDiscountedLiabilitiesAggregateDiscount
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_WeightedAverageDiscountRateLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The average discount rate applied to insurance contracts to determine future policy benefits to be paid to or on behalf of policyholders. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 5 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=99384497&loc=d3e14881-158438 + Details
Name: | us-gaap_WeightedAverageDiscountRatePercent
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=us-gaap_GroupPoliciesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |