Net Sales by Geography (Details) - USD ($) $ in Millions		3 Months Ended
		Jul. 31, 2025	Jul. 31, 2024
Disaggregation of Revenue [Line Items]
Net sales		$ 924	$ 951
United States [Member]
Disaggregation of Revenue [Line Items]
Net sales		385	419
Developed International [Member]
Disaggregation of Revenue [Line Items]
Net sales	[1]	257	280
Emerging [Member]
Disaggregation of Revenue [Line Items]
Net sales	[2]	224	185
Travel Retail [Member]
Disaggregation of Revenue [Line Items]
Net sales	[3]	44	41
Non-branded and bulk [Member]
Disaggregation of Revenue [Line Items]
Net sales	[4]	$ 14	$ 26

[1] Represents net sales of branded products to “advanced economies” as defined by the International Monetary Fund (IMF), excluding the United States. Our top developed international markets are Germany, Australia, the United Kingdom, France, and Canada.

[2] Represents net sales of branded products to “emerging and developing economies” as defined by the IMF. Our top emerging markets are Mexico, Poland, Brazil, and Türkiye.

[3] Represents net sales of branded products to global duty-free customers, other travel retail customers, and the U.S. military, regardless of customer location.

[4] Includes net sales of used barrels, contract bottling services, and non-branded bulk whiskey, regardless of customer location.