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Derivative Financial Instruments and Hedging Activities (Details Textual) - USD ($)
$ in Millions
6 Months Ended 9 Months Ended
Oct. 31, 2023
Jan. 31, 2024
Apr. 30, 2023
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   $ 4  
Derivative, Net Liability Position, Aggregate Fair Value   1 $ 1
Designated as Hedging Instrument [Member] | Net Investment Hedging [Member]      
Derivative Instruments, Gain (Loss) [Line Items]      
Debt Instrument, Face Amount   496 495
Foreign Exchange Contract [Member]      
Derivative Instruments, Gain (Loss) [Line Items]      
Derivative, Notional Amount   $ 560 $ 747