Herbalife Ltd. Annual report pursuant to Section 13 and 15(d)

Segment Information - Schedule of Entity-Wide Information, Revenue from External Customers by Products and Services (Detail) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Revenue from External Customer [Line Items]
Total Net Sales	$ 1,098.4	$ 1,102.9	$ 1,162.3	$ 1,105.4	$ 1,133.6	$ 1,256.2	$ 1,306.2	$ 1,262.6	$ 4,469.0	$ 4,958.6	$ 4,825.3
Weight Management [Member]
Revenue from External Customer [Line Items]
Total Net Sales									2,862.8	3,177.0	3,063.7
Targeted Nutrition [Member]
Revenue from External Customer [Line Items]
Total Net Sales									1,015.4	1,108.5	1,109.9
Energy, Sports & Fitness [Member]
Revenue from External Customer [Line Items]
Total Net Sales									250.9	260.6	254.5
Outer Nutrition [Member]
Revenue from External Customer [Line Items]
Total Net Sales									133.0	178.9	157.2
Literature, Promotional and Other [Member]
Revenue from External Customer [Line Items]
Total Net Sales									$ 206.9	$ 233.6	$ 240.0