| Cover | Aug. 20, 2024 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Aug. 20, 2024 |
| Entity Registrant Name | Ibotta, Inc. |
| Entity Incorporation, State or Country Code | DE |
| Entity Tax Identification Number | 35-2426358 |
| Entity Address, Address Line One | 1801 California Street |
| Entity Address, Address Line Two | Suite 400 |
| Entity Address, City or Town | Denver |
| Entity Address, State or Province | CO |
| Entity Address, Postal Zip Code | 80202 |
| City Area Code | 303 |
| Local Phone Number | 593-1633 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Class A Common Stock, $0.00001 par value per share |
| Trading Symbol | IBTA |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | true |
| Entity Ex Transition Period | false |
| Entity Central Index Key | 0001538379 |
| Amendment Flag | false |
| Entity File Number | 001-42018 |
