Net Sales by Geography (Details) - USD ($) $ in Millions		3 Months Ended
		Jul. 31, 2022	Jul. 31, 2021
Disaggregation of Revenue [Line Items]
Net sales		$ 1,007	$ 906
United States [Member]
Disaggregation of Revenue [Line Items]
Net sales		482	450
Developed International [Member]
Disaggregation of Revenue [Line Items]
Net sales	[1]	294	269
Emerging [Member]
Disaggregation of Revenue [Line Items]
Net sales	[2]	176	150
Travel Retail [Member]
Disaggregation of Revenue [Line Items]
Net sales	[3]	38	21
Non-branded and bulk [Member]
Disaggregation of Revenue [Line Items]
Net sales	[4]	$ 17	$ 16

[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.