CONSOLIDATED INCOME STATEMENTS - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Revenues:
Product sales	$ 13,514	$ 14,051	$ 13,690
Services	11,190	10,389	9,532
Total consolidated revenues	24,704	24,440	23,222
Costs and expenses:
Cost of product sales	5,809	5,738	5,650
Cost of services	3,904	3,453	3,099
Research and development	3,167	2,991	2,761
Selling, general and administrative	8,533	7,982	7,338
Restructuring and acquisition-related charges	450	239	224
Operating income (expense)	2,841	4,037	4,150
Non-operating income (expense):
Investment income	94	123	128
Interest expense	(164)	(147)	(156)
Other income (expense), net	111	(251)	(257)
Total non-operating income (expense)	41	(275)	(285)
Income before provision for income taxes	2,882	3,762	3,865
Income tax provision	710	868	772
Net income	2,172	2,894	3,093
Less: Net income attributable to the non-controlling interests	(182)	(180)	(204)
Net income attributable to EMC Corporation	$ 1,990	$ 2,714	$ 2,889
Net income per weighted average share, basic attributable to EMC Corporation common shareholders	$ 1.02	$ 1.34	$ 1.39
Net income per weighted average share, diluted attributable to EMC Corporation common shareholders	$ 1.01	$ 1.32	$ 1.33
Weighted average shares, basic	1,944	2,028	2,074
Weighted average shares, diluted	1,962	2,059	2,160
Cash dividends declared per common share	$ 0.46	$ 0.45	$ 0.30