Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Jul. 31, 2014	Jul. 31, 2013
Income Statement [Abstract]
Net sales	$ 921	$ 896
Excise taxes	216	210
Cost of sales	210	209
Gross profit	495	477
Advertising expenses	99	103
Selling, general, and administrative expenses	170	156
Other expense (income), net	5	1
Operating income	221	217
Interest income	0	1
Interest expense	7	7
Income before income taxes	214	211
Income taxes	64	68
Net income	$ 150	$ 143
Earnings per share:
Basic (dollars per share)	$ 0.70	$ 0.67
Diluted (dollars per share)	$ 0.70	$ 0.66
Cash dividends per common share:
Declared (dollars per share)	$ 0.580	$ 0.510
Paid (dollars per share)	$ 0.290	$ 0.255