| Document and Entity Information | Feb. 17, 2021 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Feb. 17, 2021 |
| Entity Registrant Name | Herbalife Nutrition Ltd. |
| Entity Incorporation, State or Country Code | E9 |
| Entity File Number | 001-32381 |
| Entity Tax Identification Number | 98-0377871 |
| Entity Address, Address Line One | P.O. Box 309GT, Ugland House |
| Entity Address, Address Line Two | South Church Street |
| Entity Address, City or Town | Grand Cayman |
| Entity Address, Country | KY |
| Entity Address, Postal Zip Code | KY1-1106 |
| City Area Code | 213 |
| Local Phone Number | 745-0500 |
| Entity Information, Former Legal or Registered Name | Not Applicable |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
| Entity Central Index Key | 0001180262 |
| Title of 12(b) Security | Common Shares |
| Trading Symbol | HLF |
| Security Exchange Name | NYSE |
