Derivative Financial Instruments and Hedging Activities (Details Textual) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Jul. 31, 2025	Apr. 30, 2025
Derivative Financial Instruments (Textual) [Abstract]
Maximum term of outstanding derivative contracts	24 months	24 months
Foreign Currency Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months	$ (6)
Derivative, Net Liability Position, Aggregate Fair Value	9	$ 12
Designated as Hedging Instrument [Member] | Net Investment Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Debt Instrument, Face Amount	528	531
Foreign Exchange Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Notional Amount	$ 546	$ 463