UNCERTAIN TAX POSITIONS (Details)	9 Months Ended
Sep. 30, 2017
UNCERTAIN TAX POSITIONS [Abstract]
Statute period for transfer pricing related issues	10 years

Statute period for transfer pricing related issues in certain countries in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Includes, but not limited to, weeks in a year or quarter.

No definition available.

Name:	nus_StatutePeriodForTransferPricingRelatedIssues
Namespace Prefix:	nus_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration