| Document and Entity Information | May 20, 2021 |
| Cover [Abstract] | |
| Amendment Flag | false |
| Entity Central Index Key | 0001180262 |
| Document Type | 8-K |
| Document Period End Date | May 20, 2021 |
| Entity Registrant Name | Herbalife Nutrition Ltd. |
| Entity Incorporation State Country Code | E9 |
| Entity File Number | 1-32381 |
| Entity Tax Identification Number | 98-0377871 |
| Entity Address, Address Line One | P.O. Box 309 |
| Entity Address, City or Town | Ugland House |
| Entity Address, Region | Grand Cayman |
| Entity Address, Country | KY |
| Entity Address, Postal Zip Code | KY1-1104 |
| City Area Code | c/o (213) |
| Local Phone Number | 745-0500 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Security 12b Title | Common Shares, par value $0.0005 per share |
| Trading Symbol | HLF |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | false |
