Annual report pursuant to Section 13 and 15(d)

Subsequent Events - Additional Information (Detail)

v2.4.1.9
Subsequent Events - Additional Information (Detail) (Venezuela [Member], USD $)
In Millions, unless otherwise specified
 3 Months Ended
Mar. 31, 2015
Feb. 12, 2015
Scenario, Forecast [Member]
    
Subsequent Event [Line Items]    
Foreign currency exchange losses and asset impairment charges $ 35hlf_ForeignCurrencyLossesAndAssetImpairments
/ us-gaap_StatementGeographicalAxis
= country_VE
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioForecastMember 		 
Subsequent Event [Member]    
Subsequent Event [Line Items]    
Foreign currency exchange rate, Bolivars per USD   170.0us-gaap_ForeignCurrencyExchangeRateRemeasurement1
/ us-gaap_StatementGeographicalAxis
= country_VE
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember