Net Sales by Product Category (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Jan. 31, 2024	Jan. 31, 2023	Jan. 31, 2024	Jan. 31, 2023
Disaggregation of Revenue [Line Items]
Net sales		$ 1,069	$ 1,081	$ 3,214	$ 3,182
Whiskey [Member]
Disaggregation of Revenue [Line Items]
Net sales	[1]	731	754	2,167	2,215
Ready-to-Drink
Disaggregation of Revenue [Line Items]
Net sales	[2]	127	121	397	369
Tequila [Member]
Disaggregation of Revenue [Line Items]
Net sales	[3]	76	79	238	237
Wine [Member]
Disaggregation of Revenue [Line Items]
Net sales	[4]	51	53	168	164
Vodka [Member]
Disaggregation of Revenue [Line Items]
Net sales	[5]	26	27	75	74
Non-branded and bulk [Member]
Disaggregation of Revenue [Line Items]
Net sales	[6]	18	20	58	61
Rest of portfolio [Member]
Disaggregation of Revenue [Line Items]
Net sales	[7]	$ 40	$ 27	$ 111	$ 62

[1] Includes all whiskey spirits and whiskey-based flavored liqueurs. The brands included in this category are the Jack Daniel's family of brands (excluding the “ready-to-drink” products outlined below), the Woodford Reserve family of brands, the Old Forester family of brands, GlenDronach, Benriach, Glenglassaugh, Slane Irish Whiskey, and Coopers’ Craft.

[2] Includes the Jack Daniel’s ready-to-drink (RTD) and ready-to-pour (RTP) products, New Mix, and other RTD/RTP products.

[3] Includes the Herradura family of brands, el Jimador, and other tequilas.

[4] Includes Korbel California Champagne and Sonoma-Cutrer wines.

[5] Includes Finlandia which we divested on November 1, 2023. Net sales for the three months ended January 31, 2024 were recognized pursuant to the transition services agreement related to distribution services in certain markets.

[6] Includes net sales of used barrels, contract bottling services, and non-branded bulk whiskey and wine.

[7] Includes Chambord, Gin Mare, Korbel Brandy, Diplomático, and Fords Gin.