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

Subsequent Events - Additional Information (Detail)

Subsequent Events - Additional Information (Detail) - USD ($)		1 Months Ended
	Feb. 21, 2017	Feb. 15, 2017	Dec. 31, 2016	Feb. 03, 2014	Jul. 30, 2012	Mar. 09, 2011
Subsequent Event [Line Items]
Share repurchase program authorized amount				$ 1,500,000,000	$ 1,000,000,000
Senior Secured Credit Facility [Member] \| Senior secured revolving credit facility [Member]
Subsequent Event [Line Items]
Credit facility, maximum amount			$ 425,000,000			$ 700,000,000
Subsequent Event [Member]
Subsequent Event [Line Items]
Repayment of senior secured credit facility		$ 410,000,000
Share repurchase program authorized amount	$ 1,500,000,000
Share repurchase program purchase period	3 years
Subsequent Event [Member] \| Term Loan [Member]
Subsequent Event [Line Items]
Credit facility, maturity date		Feb. 15, 2023
Subsequent Event [Member] \| Senior secured revolving credit facility [Member]
Subsequent Event [Line Items]
Credit facility, maturity date		Feb. 15, 2022
Credit facility LIBOR minimum floor rate interest		0.75%
Line of Credit Facility, Commitment Fee Percentage		0.50%
Subsequent Event [Member] \| Eurodollar [Member] \| Term Loan [Member]
Subsequent Event [Line Items]
Interest rate spread on variable rate		5.50%
Subsequent Event [Member] \| Eurodollar [Member] \| Senior secured revolving credit facility [Member]
Subsequent Event [Line Items]
Interest rate spread on variable rate		4.75%
Subsequent Event [Member] \| Eurodollar [Member] \| Senior secured revolving credit facility [Member] \| Scenario Leverage Ratio One [Member]
Subsequent Event [Line Items]
Interest rate spread on variable rate		4.50%
Subsequent Event [Member] \| Eurodollar [Member] \| Senior secured revolving credit facility [Member] \| Scenario Leverage Ratio Two [Member]
Subsequent Event [Line Items]
Interest rate spread on variable rate		4.75%
Subsequent Event [Member] \| Base Rate [Member]
Subsequent Event [Line Items]
Base rate interest rate floor		1.75%
Subsequent Event [Member] \| Base Rate [Member] \| Term Loan [Member]
Subsequent Event [Line Items]
Interest rate spread on variable rate		4.50%
Subsequent Event [Member] \| Base Rate [Member] \| Senior secured revolving credit facility [Member]
Subsequent Event [Line Items]
Interest rate spread on variable rate		3.75%
Subsequent Event [Member] \| Base Rate [Member] \| Senior secured revolving credit facility [Member] \| Scenario Leverage Ratio One [Member]
Subsequent Event [Line Items]
Interest rate spread on variable rate		3.50%
Subsequent Event [Member] \| Base Rate [Member] \| Senior secured revolving credit facility [Member] \| Scenario Leverage Ratio Two [Member]
Subsequent Event [Line Items]
Interest rate spread on variable rate		3.75%
Subsequent Event [Member] \| Federal Funds Rate [Member]
Subsequent Event [Line Items]
Interest rate spread on variable rate		0.50%
Subsequent Event [Member] \| Adjusted LIBOR [Member]
Subsequent Event [Line Items]
Interest rate spread on variable rate		1.00%
Subsequent Event [Member] \| Senior Secured Credit Facility [Member]
Subsequent Event [Line Items]
Credit facility, maximum amount		$ 1,450,000,000
Senior secured credit facility, discount amount		26,000,000
Senior secured credit facility, debt issuance cost		$ 23,000,000
Senior secured credit facility, discount percentage		2.00%
Subsequent Event [Member] \| Senior Secured Credit Facility [Member] \| Term Loan [Member]
Subsequent Event [Line Items]
Credit facility, maximum amount		$ 1,300,000,000
Subsequent Event [Member] \| Senior Secured Credit Facility [Member] \| Senior secured revolving credit facility [Member]
Subsequent Event [Line Items]
Credit facility, maximum amount		$ 150,000,000