Net Sales by Geography (Details) - USD ($) $ in Millions		12 Months Ended
		Apr. 30, 2023	Apr. 30, 2022	Apr. 30, 2021
Disaggregation of Revenue [Line Items]
Net sales		$ 4,228	$ 3,933	$ 3,461
United States
Disaggregation of Revenue [Line Items]
Net sales		1,968	1,917	1,748
Developed International [Member]
Disaggregation of Revenue [Line Items]
Net sales	[1]	1,183	1,137	1,014
Emerging [Member]
Disaggregation of Revenue [Line Items]
Net sales	[2]	842	714	578
Travel Retail [Member]
Disaggregation of Revenue [Line Items]
Net sales	[3]	147	104	63
Non-branded and bulk [Member]
Disaggregation of Revenue [Line Items]
Net sales	[4]	$ 88	$ 61	$ 58

[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 bulk whiskey and wine, regardless of customer location.