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

Annual report pursuant to Section 13 and 15(d)

Segment Information - Additional Information (Detail)

Segment Information - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014 Segment Country	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Segment Reporting Information [Line Items]
Number of countries in which the Company sells products	91
Number of reportable segment	1us-gaap_NumberOfReportableSegments
Total assets for the Company's Segment	$ 2,374.9us-gaap_Assets	$ 2,473.7us-gaap_Assets
Goodwill allocated to the Company's Segment	102.2us-gaap_Goodwill	105.5us-gaap_Goodwill
Net property, plant and equipment located in the U.S. and in all foreign countries	366.7us-gaap_PropertyPlantAndEquipmentNet	318.9us-gaap_PropertyPlantAndEquipmentNet
Deferred tax assets related to U.S. and foreign countries	217.9us-gaap_DeferredTaxAssetsNet	127.8us-gaap_DeferredTaxAssetsNet
Cash and cash equivalents	645.4	973.0	333.5	258.8
Total amount of cash held by foreign subsidiaries maintained or invested in U.S. dollars	8.3	6.8
United States taxes [Member]
Segment Reporting Information [Line Items]
Deferred tax assets related to U.S. and foreign countries	154.3	69.1
Foreign taxes [Member]
Segment Reporting Information [Line Items]
Deferred tax assets related to U.S. and foreign countries	63.6	58.7
Primary Reporting Segment [Member]
Segment Reporting Information [Line Items]
Total assets for the Company's Segment	2,066.2	2,253.7
Goodwill allocated to the Company's Segment	98.8	102.4
China [Member]
Segment Reporting Information [Line Items]
Total assets for the Company's Segment	308.7	220.0
Goodwill allocated to the Company's Segment	3.4	3.1
United States [Member]
Segment Reporting Information [Line Items]
Net property, plant and equipment located in the U.S. and in all foreign countries	289.8	236.0
Cash and cash equivalents	204.6	405.6
Foreign countries [Member]
Segment Reporting Information [Line Items]
Net property, plant and equipment located in the U.S. and in all foreign countries	76.9	82.9
Cash and cash equivalents	$ 440.8	$ 567.4