Acquisitions - Additional Information (Detail) (EXCO/HGI JV [Member])	Dec. 31, 2013
EXCO [Member]
Business Acquisition [Line Items]
Business Acquisition Percentage Of Equity Interests Acquired	25.50%
HGI [Member]
Business Acquisition [Line Items]
Business Acquisition Percentage Of Equity Interests Acquired	74.50%

Business acquisition percentage of equity interests acquired.

No definition available.

Name:	hrg_BusinessAcquisitionPercentageOfEquityInterestsAcquired
Namespace Prefix:	hrg_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant