Annual report pursuant to Section 13 and 15(d)

Contingencies - Additional Information (Detail)

v3.6.0.2
Contingencies - Additional Information (Detail) - USD ($)
12 Months Ended
Dec. 31, 2016
Dec. 29, 2016
Jul. 31, 2016
Jan. 31, 2016
Dec. 31, 2015
May 31, 2013
May 10, 2013
May 07, 2010
Sep. 30, 2009
Loss Contingencies [Line Items]                  
Surety bond through insurance company to guarantee payment of tax assessment $ 15,800,000                
Other assets 294,300,000       $ 141,100,000        
Deductible for product liability insurance $ 15,000,000                
Herbalife International of America, Inc., [Member] | U.S. Federal Trade Commission [Member]                  
Loss Contingencies [Line Items]                  
Third-party monitoring by independent compliance auditor, period 7 years                
Implement of new and enhance existing procedures, period 10 months                
Herbalife International of America, Inc., [Member] | U.S. Federal Trade Commission [Member] | Maximum [Member]                  
Loss Contingencies [Line Items]                  
Payment due on consent order, period 7 days                
Herbalife International of America, Inc., [Member] | U.S. Federal Trade Commission [Member] | Selling, General and Administrative Expenses [Member]                  
Loss Contingencies [Line Items]                  
Settlement amount paid for consent order $ 200,000,000                
Federal Revenue Office of Brazil [Member]                  
Loss Contingencies [Line Items]                  
Assessment amount from tax administration service       $ 5,400,000         $ 2,200,000
Mexican Tax Administration Service [Member]                  
Loss Contingencies [Line Items]                  
Assessment amount from tax administration service             $ 14,200,000 $ 56,000,000  
Other assets current and non current 44,000,000                
Other assets 35,500,000                
Prepaid expense and other current assets 8,500,000                
Loss related to other assets 0                
Brazilian ICMS [Member]                  
Loss Contingencies [Line Items]                  
Assessment amount from tax administration service 9,400,000                
Surety bond through insurance company to guarantee payment of tax assessment 10,800,000                
Other assets 16,000,000                
Brazilian ICMS [Member] | State of Sao Paulo [Member]                  
Loss Contingencies [Line Items]                  
Assessment amount from tax administration service     $ 49,400,000            
Indian VAT Authorities [Member]                  
Loss Contingencies [Line Items]                  
Assessment amount from tax administration service $ 5,100,000                
South Korean Customs Authority [Member] | Other Noncurrent Assets [Member]                  
Loss Contingencies [Line Items]                  
Assessment amount from tax administration service           $ 29,700,000      
Greek Social Security Agency [Member]                  
Loss Contingencies [Line Items]                  
Assessment amount from tax administration service   $ 2,100,000