Net Sales by Product Category (Details) - USD ($)
$ in Millions
 12 Months Ended
Apr. 30, 2021
Apr. 30, 2020
Apr. 30, 2019
Disaggregation of Revenue [Line Items]      
Net sales $ 3,461 $ 3,363 $ 3,324
Whiskey [Member]      
Disaggregation of Revenue [Line Items]      
Net sales [1] 2,744 2,671 2,595
Tequila [Member]      
Disaggregation of Revenue [Line Items]      
Net sales [2] 299 275 263
Wine [Member]      
Disaggregation of Revenue [Line Items]      
Net sales [3] 206 186 187
Vodka [Member]      
Disaggregation of Revenue [Line Items]      
Net sales [4] 90 109 126
Rest of portfolio [Member]      
Disaggregation of Revenue [Line Items]      
Net sales 64 47 46
Non-branded and bulk [Member]      
Disaggregation of Revenue [Line Items]      
Net sales [5] $ 58 $ 75 $ 107
[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. Also includes the Early Times, Canadian Mist, and Collingwood brands, which we divested on July 31, 2020 (Note 12).
[2] Includes el Jimador, the Herradura family of brands, 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 regardless of customer location.