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

Quarterly report pursuant to Section 13 or 15(d)

Shareholders' (Deficit) Equity - Additional Information (Detail)

Shareholders' (Deficit) Equity - Additional Information (Detail) (USD $) Share data in Millions, except Per Share data, unless otherwise specified	0 Months Ended			2 Months Ended	3 Months Ended		6 Months Ended			3 Months Ended	6 Months Ended	3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended	6 Months Ended	1 Months Ended	3 Months Ended	6 Months Ended	3 Months Ended
	May 07, 2014	Feb. 03, 2014	Jul. 30, 2012	Jun. 30, 2014	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013	Mar. 31, 2014 Capped call transactions [Member]	Jun. 30, 2014 Capped call transactions [Member]	Jun. 30, 2014 Foreign Currency Translation Adjustments [Member]	Jun. 30, 2013 Foreign Currency Translation Adjustments [Member]	Jun. 30, 2014 Foreign Currency Translation Adjustments [Member]	Jun. 30, 2013 Foreign Currency Translation Adjustments [Member]	Jun. 30, 2014 Unrealized Gain (Loss) on Derivatives [Member]	Jun. 30, 2013 Unrealized Gain (Loss) on Derivatives [Member]	Jun. 30, 2014 Unrealized Gain (Loss) on Derivatives [Member]	Jun. 30, 2013 Unrealized Gain (Loss) on Derivatives [Member]	Jun. 30, 2014 Unrealized Gain (Loss) on Available-For-Sale Investments [Member]	Jun. 30, 2014 Unrealized Gain (Loss) on Available-For-Sale Investments [Member]	Feb. 28, 2014 Prepaid forward share repurchase transactions [Member]	Mar. 31, 2014 Prepaid forward share repurchase transactions [Member]	Jun. 30, 2014 Prepaid forward share repurchase transactions [Member]	Jun. 30, 2014 Open market purchases and the repurchase agreement [Member]
Stockholders Equity [Line Items]
Dividend declared per common share					$ 0.00	$ 0.30	$ 0.30	$ 0.60
Dividend declaration date							Feb. 18, 2014
Dividend payment date							Mar. 18, 2014
Dividends paid					$ 0	$ 30,900,000	$ 30,400,000	$ 61,823,000
Primarily dividends received relating to forward transactions					0		3,416,000
Share repurchase program authorized amount		1,500,000,000	1,000,000,000
Share repurchase program expiration date							Jun. 30, 2017
Forward share repurchase transactions amount																						685,800,000	685,800,000
Share repurchase transaction, shares to be purchased																						9.9
Settlement date of forward transactions																								August 15, 2019
Retained earnings				(779,939,000)	(779,939,000)		(779,939,000)		247,279,000														653,900,000
Additional paid-in-capital				398,436,000	398,436,000		398,436,000		323,860,000														31,900,000
Non-cash forward transaction issuance costs							35,800,000
Non-cash interest expense					1,600,000		2,600,000
Repurchase of common stock, amount	266,000,000						1,277,929,000	165,726,000
Repurchase agreement date							May 06, 2014
Agreement expiration date							Jun. 30, 2014
Repurchase of common stock, shares				4.3																			9.9		9.8
Shares repurchased aggregate cost																							685,800,000		581,300,000
Average cost per share of shares repurchased																							$ 69.02		$ 59.41
Share repurchase program, remaining authorized capacity																								232,900,000
Capped call transactions with financial institutions											123,800,000
Convertible notes initial conversion price				$ 86.28	$ 86.28		$ 86.28				$ 86.28
Capped call transactions price per common share											120.79
Increase (decrease) in additional paid-in capital										(123,800,000)
Other comprehensive income (loss) before reclassifications, Tax expense (benefits)												1,600,000	(1,500,000)	1,500,000	(1,800,000)
Other comprehensive income (loss) before reclassifications, Tax expense (benefits)																(200,000)	2,200,000	(300,000)	1,000,000
Other comprehensive income (loss) before reclassifications, Tax expense (benefits)																				100,000	(900,000)
Amounts reclassified from accumulated other comprehensive income (loss) to income, tax expense							1,000,000
Amounts reclassified from accumulated other comprehensive income (loss) to income, tax expense unrealized gain (loss) on derivatives								$ (700,000)