Divestitures (Details) - USD ($) $ in Millions	12 Months Ended
	Apr. 30, 2024	Apr. 30, 2023	Apr. 30, 2022	Nov. 01, 2023
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash proceeds	$ 246	$ 0	$ 0
Pre-tax gain on divestiture of business	$ 267	$ 0	$ 0
Duckhorn
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Percentage	21.40%
Fair value of equity interest in Duckhorn	$ 267
Finlandia
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash proceeds	196
Total consideration received				$ 196
Cumulative translation losses	(30)
Net investment hedge gain (Note 15)	26
Pre-tax gain on divestiture of business	92
Net carrying amount of assets and liabilities sold				$ (100)
Sonoma-Cutrer
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash proceeds	50
Total consideration received	317
Pre-tax gain on divestiture of business	175
Inventories	56
Property, plant, and equipment	83
Goodwill	18
Other assets	1
Total assets sold	158
Accounts payable and accrued expenses	3
Deferred tax liabilities	12
Other liabilities	1
Total liabilities sold	16
Net carrying amount of assets and liabilities sold	$ (142)