XML 85 R44.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Segment Information - Additional Information (Details) | 6 Months Ended |
--- | --- | ---
Jun. 30, 2018 | May 31, 2018
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |
Number of Reportable Segments | 5 |
Run-Off Life and Annuity Business [Member] | Discontinued Operations, Held-for-sale [Member] |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |
Disposal Group, Including Discontinued Operation, Ownership Interest Retained, Percentage |  | 970.00%

X
- Definition Disposal Group, Including Discontinued Operation, Ownership Interest Retained, Percentage + References No definition available. + Details
Name: | hig_DisposalGroupIncludingDiscontinuedOperationOwnershipInterestRetainedPercentage
Namespace Prefix: | hig_
Data Type: | num:percentItemType
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_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. + References No definition available. + Details
Name: | us-gaap_NumberOfReportableSegments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=hig_RunOffLifeandAnnuityBusinessMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DisposalGroupClassificationAxis=us-gaap_DiscontinuedOperationsHeldforsaleMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |