Income Taxes (Earnings of Foreign Subsidiaries) (Details) - USD ($) $ in Millions	Apr. 30, 2024	Apr. 30, 2023
Income Tax Disclosure [Abstract]
Undistributed Earnings of Foreign Subsidiaries	$ 1,909	$ 1,617

Amount of undistributed earnings of foreign subsidiaries intended to be permanently reinvested outside the country of domicile.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant