v3.26.1
Debt Short-term Borrowings (Details) - Commercial Paper - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Jul. 31, 2026
Apr. 30, 2026
Short-Term Debt [Line Items]    
Commercial paper (par amount) $ 359 $ 68
Average interest rate 4.03% 3.96%
Average remaining days to maturity 37 days 7 days