Debt Short-term Borrowings (Details) - USD ($) $ in Millions	6 Months Ended	12 Months Ended
Oct. 31, 2022	Apr. 30, 2022
Short-Term Debt [Abstract]
Short-term borrowings	$ 186	$ 0
Commercial Paper	$ 186	$ 0
Commercial Paper, Weighted Average Interest Rate, at Point in Time	3.65%	0.00%
Commercial Paper Borrowings, Average Remaining Maturity	17 days	0 days

Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant