Condensed Consolidated Statements of Earnings (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Oct. 24, 2014	Oct. 25, 2013	Oct. 24, 2014	Oct. 25, 2013
Income Statement [Abstract]
Net sales	$ 4,366	$ 4,194	$ 8,639	$ 8,277
Costs and expenses:
Cost of products sold	1,142	1,090	2,247	2,112
Research and development expense	374	372	739	732
Selling, general, and administrative expense	1,507	1,438	3,013	2,854
Special Charges	100	0	100	40
Restructuring Charges, Net	0	0	30	18
Certain litigation charges, net	0	24	0	24
Acquisition-related items	61	0	102	(96)
Amortization of intangible assets	89	88	176	174
Other expense, net	63	33	114	77
Interest expense, net	8	33	13	73
Total costs and expenses	3,344	3,078	6,534	6,008
Earnings before income taxes	1,022	1,116	2,105	2,269
Provision for income taxes	194	214	406	414
Net earnings	$ 828	$ 902	$ 1,699	$ 1,855
Basic earnings per share:
Net earnings (usd per share)	$ 0.84	$ 0.90	$ 1.72	$ 1.85
Diluted earnings per share:
Net earnings (usd per share)	$ 0.83	$ 0.89	$ 1.70	$ 1.83
Basic weighted average shares outstanding (shares)	981.9	998.9	987.5	1,004.5
Diluted weighted average shares outstanding (shares)	993.0	1,009.4	999.4	1,015.5
Cash dividends declared per common share	$ 0.305	$ 0.28	$ 0.61	$ 0.56