Net Sales by Geography (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2023	Jan. 31, 2022
Disaggregation of Revenue [Line Items]
Net sales		$ 1,081	$ 1,037	$ 3,182	$ 2,937
United States [Member]
Disaggregation of Revenue [Line Items]
Net sales		439	488	1,455	1,400
Developed International [Member]
Disaggregation of Revenue [Line Items]
Net sales	[1]	345	318	927	884
Emerging [Member]
Disaggregation of Revenue [Line Items]
Net sales	[2]	245	196	629	533
Travel Retail [Member]
Disaggregation of Revenue [Line Items]
Net sales	[3]	32	25	110	74
Non-branded and bulk [Member]
Disaggregation of Revenue [Line Items]
Net sales	[4]	$ 20	$ 10	$ 61	$ 46

[1] Represents net sales of branded products to “advanced economies” as defined by the International Monetary Fund (IMF), excluding the United States. Our largest 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 largest emerging markets are Mexico, Poland, Brazil, and Chile.

[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, and bulk whiskey and wine, regardless of customer location.