| Cover | Jul. 28, 2021 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Jul. 28, 2021 |
| Entity File Number | 001-16625 |
| Entity Registrant Name | BUNGELTD |
| Entity Central Index Key | 0001144519 |
| Entity Tax Identification Number | 98-0231912 |
| Entity Incorporation, State or Country Code | D0 |
| Entity Address, Address Line One | 1391 Timberlake Manor Parkway |
| Entity Address, City or Town | Chesterfield |
| Entity Address, State or Province | MO |
| Entity Address, Postal Zip Code | 63017 |
| City Area Code | 314 |
| Local Phone Number | 292-2000 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Shares, $0.01 par value per share |
| Trading Symbol | BG |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | false |
