CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Net income	$ 689,418	$ 591,627	$ 1,315,397	$ 1,094,181
Other comprehensive income (loss), net of taxes (benefits):
Foreign currency translation adjustments	(22,683)	6,614	(7,697)	25,757
Changes in market value of investments:
Changes in unrealized gains (losses), net of taxes (benefits) of $10,569, $(20,545), $23,614 and $(11,586)	16,899	(23,256)	42,761	(2,523)
Less: reclassification adjustment for net losses (gains) realized in net income, net of taxes of $703, $1,052, $2,353 and $2,309	1,796	(5,280)	893	(10,726)
Net change in market value of investments	18,695	(28,536)	43,654	(13,249)
Changes in market value of derivatives:
Changes in market value of derivatives, net of taxes (benefits) of $(20,974), $(12,325), $(15,046) and $(8,933)	(33,097)	(24,069)	(23,096)	(27,629)
Less: reclassification adjustment for net losses (gains) included in net income, net of taxes (benefits) of $(14,273), $(416), $(14,278) and $(1,525)	19,430	2,908	19,463	10,674
Net change in market value of derivatives	(13,667)	(21,161)	(3,633)	(16,955)
Other comprehensive income (loss)	(17,655)	(43,083)	32,324	(4,447)
Comprehensive income	671,763	548,544	1,347,721	1,089,734
Less: Net income attributable to the non-controlling interest in VMware, Inc.	(39,904)	(45,133)	(79,041)	(70,539)
Less: Other comprehensive income (loss) attributable to the non-controlling interest in VMware, Inc.	241	6,389	(421)	3,467
Comprehensive income attributable to EMC Corporation	$ 632,100	$ 509,800	$ 1,268,259	$ 1,022,662