Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jan. 31, 2022	Jan. 31, 2021	Jan. 31, 2022	Jan. 31, 2021
Income Statement [Abstract]
Sales	$ 1,365	$ 1,222	$ 3,831	$ 3,481
Excise taxes	328	311	894	832
Net sales	1,037	911	2,937	2,649
Cost of sales	415	361	1,172	1,053
Gross profit	622	550	1,765	1,596
Advertising expenses	117	121	311	278
Selling, general, and administrative expenses	162	157	495	460
Gain on sale of business	0	0	0	(127)
Other expense (income), net	(4)	(9)	1	(13)
Operating income	347	281	958	998
Non-operating postretirement expense	0	1	2	4
Interest income	(1)	0	(3)	(1)
Interest expense	20	21	61	61
Income before income taxes	328	259	898	934
Income taxes	69	40	211	151
Net income	$ 259	$ 219	$ 687	$ 783
Earnings per share:
Basic (dollars per share)	$ 0.54	$ 0.46	$ 1.43	$ 1.64
Diluted (dollars per share)	$ 0.54	$ 0.45	$ 1.43	$ 1.63