Net Sales by Geography (Details) - USD ($) $ in Millions		12 Months Ended
		Apr. 30, 2022	Apr. 30, 2021	Apr. 30, 2020
Disaggregation of Revenue [Line Items]
Net sales		$ 3,933	$ 3,461	$ 3,363
United States
Disaggregation of Revenue [Line Items]
Net sales		1,917	1,748	1,690
Developed International [Member]
Disaggregation of Revenue [Line Items]
Net sales	[1]	1,137	1,014	901
Emerging [Member]
Disaggregation of Revenue [Line Items]
Net sales	[2]	714	578	572
Travel Retail [Member]
Disaggregation of Revenue [Line Items]
Net sales	[3]	104	63	125
Non-branded and bulk [Member]
Disaggregation of Revenue [Line Items]
Net sales	[4]	$ 61	$ 58	$ 75

[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 in fiscal 2022 were Germany, Australia, the United Kingdom, and France.

[2] Represents net sales of branded products to “emerging and developing economies” as defined by the IMF. Our largest emerging markets in fiscal 2022 were Mexico, Poland, Brazil, Russia, 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.