v3.26.1
Retirement Benefits Plans - Schedule of Net Periodic Pension Cost (Details) - USD ($)
$ in Millions
12 Months Ended
Apr. 30, 2026
Apr. 30, 2025
Apr. 30, 2024
Retirement Benefits [Abstract]      
Interest cost $ 5 $ 4 $ 4
Expected return on plan assets (5) (4) (4)
Net amortization of actuarial net loss $ 0 $ 0 $ 22
Defined Benefit Plan Net Periodic Benefit Cost Credit Amortization Of Gain Loss Statement Of Income Or Comprehensive Income Extensible List Not Disclosed Flag Net amortization of actuarial net loss Net amortization of actuarial net loss Net amortization of actuarial net loss
Net periodic pension cost $ 0 $ 0 $ 22