CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Net income	$ 614,954	$ 625,979
Other comprehensive income (loss), net of taxes (benefits):
Foreign currency translation adjustments	(31,205)	14,986
Changes in market value of investments:
Changes in unrealized gains (losses), net of taxes (benefits) of $1,451 and $15,718	719	26,488
Reclassification adjustment for net losses (gains) realized in net income, net of benefits (taxes) of $(2,104) and $(1,024)	(3,761)	(1,529)
Net change in market value of investments	(3,042)	24,959
Changes in market value of derivatives:
Changes in market value of derivatives, net of taxes (benefits) of $1,091 and $5,918	5,866	10,001
Reclassification adjustment for net losses (gains) included in net income, net of benefits (taxes) of $(768) and $5	(5,374)	33
Net change in market value of derivatives	492	10,034
Other comprehensive income (loss)	(33,755)	49,979
Comprehensive income	581,199	675,958
Less: Net income attributable to the non-controlling interest in VMware, Inc.	(34,904)	(39,137)
Less: Other comprehensive income (loss) attributable to the non-controlling interest in VMware, Inc.	57	(662)
Comprehensive income attributable to EMC Corporation	$ 546,352	$ 636,159