v3.26.1
Leases ROU Assets and Liabilities (Details) - USD ($)
$ in Millions
Apr. 30, 2026
Apr. 30, 2025
Leases [Abstract]    
Right-of-use assets $ 106 $ 101
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]    
Lease Liabilities:    
Current $ 31 $ 26
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]    
Non-current $ 78 $ 78
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]    
Total $ 109 $ 104
Weighted-average discount rate 5.30% 4.50%
Weighted-average remaining term 4 years 4 months 24 days 4 years 9 months 18 days