Net Sales by Product Category (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Jan. 31, 2022	Jan. 31, 2021	Jan. 31, 2022	Jan. 31, 2021
Disaggregation of Revenue [Line Items]
Net sales		$ 1,037	$ 911	$ 2,937	$ 2,649
Whiskey [Member]
Disaggregation of Revenue [Line Items]
Net sales	[1]	835	731	2,309	2,101
Tequila [Member]
Disaggregation of Revenue [Line Items]
Net sales	[2]	90	72	266	224
Wine [Member]
Disaggregation of Revenue [Line Items]
Net sales	[3]	54	50	176	162
Vodka [Member]
Disaggregation of Revenue [Line Items]
Net sales	[4]	29	26	86	71
Non-branded and bulk [Member]
Disaggregation of Revenue [Line Items]
Net sales	[5]	10	11	46	41
Rest of portfolio [Member]
Disaggregation of Revenue [Line Items]
Net sales		$ 19	$ 21	$ 54	$ 50

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

[2] Includes the Herradura family of brands, el Jimador, New Mix, Pepe Lopez, and Antiguo.

[3] Includes Korbel Champagne and Sonoma-Cutrer wines.

[4] Includes Finlandia.

[5] Includes net sales of used barrels, bulk whiskey and wine, and contract bottling.