Herbalife Ltd. Quarterly report pursuant to Section 13 or 15(d)

Segment Information - Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Net Sales	$ 1,105.4us-gaap_SalesRevenueNet	$ 1,262.6us-gaap_SalesRevenueNet
North America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Net Sales	226.7	247.8
Mexico [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Net Sales	123.6	142.7
South and Central America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Net Sales	161.7	244.7
EMEA [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Net Sales	186.4	211.2
Asia Pacific [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Net Sales	242.8	280.4
China [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Net Sales	$ 164.2	$ 135.8