v3.26.1
Cover - shares
 3 Months Ended
Mar. 31, 2026
Apr. 30, 2026
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Mar. 31, 2026  
Document Transition Report false  
Entity File Number 001-42018  
Entity Registrant Name IBOTTA, INC.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 35-2426358  
Entity Address, Address Line One 1400 16th Street  
Entity Address, Address Line Two Suite 600  
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  
Title of 12(b) Security Class A common stock, par value $0.00001 per share  
Trading Symbol IBTA  
Security Exchange Name NYSE  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Large Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Central Index Key 0001538379  
Amendment Flag false  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q1  
Current Fiscal Year End Date --12-31  
Common Class A    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   20,197,545
Common Class B    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   3,077,424