Summary of Significant Accounting Policies (Details)	12 Months Ended
Dec. 31, 2016
Accounting Policies [Abstract]
Percentage of risks related to reserves recorded for policies under FFG, LTC and life insurance no longer offered, ceded via reinsurance	100.00%

Represents the percentage of risks related to reserves ceded via reinsurance for various policies.

No definition available.

Name:	hig_LongDurationInsuranceContractsCededCreditRiskPercentage
Namespace Prefix:	hig_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration