Supplemental Information (PP&E) (Details) - USD ($) $ in Millions	Apr. 30, 2023	Apr. 30, 2022
Property, Plant and Equipment [Abstract]
Property, Plant and Equipment, Net	$ 1,031	$ 875
Non-US [Member]
Property, Plant and Equipment [Abstract]
Property, Plant and Equipment, Net	$ 204	$ 116

Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-SubTopic 10
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant