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Derivative Financial Instruments and Hedging Activities (Details Textual) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Jul. 31, 2022
Jan. 31, 2023
Apr. 30, 2022
Derivative Financial Instruments (Textual) [Abstract]      
Maximum term of outstanding derivative contracts 36 months 27 months  
Foreign Currency Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months   $ 9  
Aggregate fair value of derivatives with creditworthiness requirements that were in a net liability position   0 $ 0
Designated as Hedging Instrument [Member] | Net Investment Hedging [Member]      
Derivative Instruments, Gain (Loss) [Line Items]      
Debt Instrument, Face Amount   487 636
Foreign Exchange Contract [Member]      
Derivative Instruments, Gain (Loss) [Line Items]      
Derivative, Notional Amount   $ 703 $ 801