Net Sales by Geography (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Oct. 31, 2022	Oct. 31, 2021	Oct. 31, 2022	Oct. 31, 2021
Disaggregation of Revenue [Line Items]
Net sales		$ 1,094	$ 994	$ 2,101	$ 1,900
United States [Member]
Disaggregation of Revenue [Line Items]
Net sales		534	462	1,016	912
Developed International [Member]
Disaggregation of Revenue [Line Items]
Net sales	[1]	288	297	582	566
Emerging [Member]
Disaggregation of Revenue [Line Items]
Net sales	[2]	208	187	384	337
Travel Retail [Member]
Disaggregation of Revenue [Line Items]
Net sales	[3]	40	28	78	49
Non-branded and bulk [Member]
Disaggregation of Revenue [Line Items]
Net sales	[4]	$ 24	$ 20	$ 41	$ 36

[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.