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Consolidated Statements of Stockholder's Equity (Parenthetical) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Stockholders' equity [Roll Forward]
Employee stock options (in shares)	0.8nus_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsEmployeesAndDistributorsExercisesInPeriod	2.2nus_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsEmployeesAndDistributorsExercisesInPeriod	0.8nus_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsEmployeesAndDistributorsExercisesInPeriod

X

- Definition

Number of share options (or share units) exercised during the current period.

+ References

No definition available.

+ Details

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Namespace Prefix:	nus_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_IncreaseDecreaseInStockholdersEquityRollForward
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration