Derivative Financial Instruments and Hedging Activities (Details Textual) - USD ($) $ in Millions	9 Months Ended	12 Months Ended
	Jan. 31, 2026	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	$ (15)
Derivative, Net Liability Position, Aggregate Fair Value	21	$ 12
Designated as Hedging Instrument [Member] | Net Investment Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Debt Instrument, Face Amount	546	531
Foreign Exchange Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Notional Amount	$ 502	$ 463