Condensed Consolidated Statements of Earnings (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Jul. 26, 2013	Jul. 27, 2012
Income Statement [Abstract]
Net sales	$ 4,083	$ 4,008
Costs and expenses:
Cost of products sold	1,022	973
Research and development expense	360	385
Selling, general, and administrative expense	1,416	1,405
Special Charges	40	0
Restructuring charges	18	0
Acquisition-related items	(96)	5
Amortization of intangible assets	86	80
Other expense, net	44	39
Interest expense, net	40	33
Total costs and expenses	2,930	2,920
Earnings before income taxes	1,153	1,088
Provision for income taxes	200	224
Net earnings	$ 953	$ 864
Basic earnings per share:
Net earnings (usd per share)	$ 0.94	$ 0.84
Diluted earnings per share:
Net earnings (usd per share)	$ 0.93	$ 0.83
Basic weighted average shares outstanding (shares)	1,009.7	1,029.8
Diluted weighted average shares outstanding (shares)	1,021.2	1,037.1
Cash dividends declared per common share	$ 0.28	$ 0.26