Net Sales by Geography (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Jan. 31, 2024	Jan. 31, 2023	Jan. 31, 2024	Jan. 31, 2023
Disaggregation of Revenue [Line Items]
Net sales		$ 1,069	$ 1,081	$ 3,214	$ 3,182
United States [Member]
Disaggregation of Revenue [Line Items]
Net sales		469	439	1,442	1,455
Developed International [Member]
Disaggregation of Revenue [Line Items]
Net sales	[1]	311	345	913	927
Emerging [Member]
Disaggregation of Revenue [Line Items]
Net sales	[2]	238	245	688	629
Travel Retail [Member]
Disaggregation of Revenue [Line Items]
Net sales	[3]	33	32	113	110
Non-branded and bulk [Member]
Disaggregation of Revenue [Line Items]
Net sales	[4]	$ 18	$ 20	$ 58	$ 61

[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, Canada, and Japan.

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

[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 and wine, regardless of customer location.