v3.26.1
Commitments and Contingencies (Details)
$ in Millions, € in Billions
3 Months Ended 25 Months Ended
Nov. 07, 2025
claim
Oct. 03, 2025
claim
Sep. 11, 2025
claim
Dec. 23, 2024
lawsuit
Feb. 15, 2023
officer_and_director
plaintiff
Jul. 31, 2026
USD ($)
Jul. 31, 2025
USD ($)
Jun. 28, 2024
claim
Feb. 27, 2024
EUR (€)
Aug. 25, 2021
ft²
Long-term Purchase Commitment [Line Items]                    
Purchase commitment, incurred cost           $ 14.9 $ 39.0      
Lease, area under lease | ft²                   283,015
The Reckstin Family Trust v. C3.ai, Inc. | Settled Litigation                    
Long-term Purchase Commitment [Line Items]                    
Number of additional plaintiffs | plaintiff         3          
Number of current and former officers and directors | officer_and_director         4          
Suri V. Siebel Et Al., Rabasca V. Siebel Et Al., Vo V. Siebel Et Al., Lanfair V. Siebel Et Al., Pankow V. Seibel Et Al., Rosenfeld V. Siebel Et Al. | Pending Litigation                    
Long-term Purchase Commitment [Line Items]                    
Number of actions filed | claim               6    
Jaffee v. Siebel et al., Joshua Steffens V. C3.ai, Inc. Et Al., And Fernicola v. Siebel et al. | Pending Litigation                    
Long-term Purchase Commitment [Line Items]                    
Number of actions filed | claim 3 3 3              
Enel Global Services S.R.L And Any Involved Corporate Affiliates ("Enel") | Pending Litigation                    
Long-term Purchase Commitment [Line Items]                    
Number of actions filed | lawsuit       2            
Unrecorded amount | €                 € 2.1  
Loss contingency, patents allegedly infringed, number | lawsuit       2            
Cloud Hosting Services                    
Long-term Purchase Commitment [Line Items]                    
Remaining contractual commitment           371.8        
Professional services                    
Long-term Purchase Commitment [Line Items]                    
Remaining contractual commitment           $ 54.4        
Professional services | Minimum                    
Long-term Purchase Commitment [Line Items]                    
Purchase commitment, term           1 year        
Professional services | Maximum                    
Long-term Purchase Commitment [Line Items]                    
Purchase commitment, term           4 years