CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Cash flows from operating activities:
Cash received from customers	$ 11,286,247	$ 10,176,306
Cash paid to suppliers and employees	(8,050,908)	(7,621,684)
Dividends and interest received	14,404	40,181
Interest paid	(16,638)	(40,811)
Income taxes paid	(307,891)	(355,785)
Net cash provided by operating activities	2,925,214	2,198,207
Cash flows from investing activities:
Additions to property, plant and equipment	(332,302)	(406,158)
Capitalized software development costs	(206,562)	(231,561)
Purchases of short- and long-term available-for-sale securities	(3,590,308)	(3,249,888)
Sales of short- and long-term available-for-sale securities	2,455,681	2,413,493
Maturities of short- and long-term available-for-sale securities	582,640	563,996
Business acquisitions, net of cash acquired	(624,522)	(437,102)
Decrease (increase) in strategic and other related investments	38,390	(188,039)
Joint venture funding	(107,300)	(124,263)
Purchase of leasehold interest	0	(173,126)
Net cash used in investing activities	(1,784,283)	(1,832,648)
Cash flows from financing activities:
Issuance of EMC's common stock from the exercise of stock options	299,621	422,506
Issuance of VMware's common stock from the exercise of stock options	144,595	200,714
EMC purchase of VMware's common stock	(94,939)	(99,930)
Excess tax benefits from stock-based compensation	154,907	252,124
Payment of long-term and short-term obligations	(14,584)	(549)
Proceeds from long-term and short-term obligations	3,663	1,071
Payment of convertible debt	(1,699,816)	0
Interest rate contract settlement	(24,399)	0
Net cash used in financing activities	(1,669,145)	(604,450)
Effect of exchange rate changes on cash and cash equivalents	(9,804)	16,122
Net decrease in cash and cash equivalents	(538,018)	(222,769)
Cash and cash equivalents at beginning of period	4,531,036	4,119,138
Cash and cash equivalents at end of period	3,993,018	3,896,369
Reconciliation of net income to net cash provided by operating activities:
Net income	1,315,397	1,094,181
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	742,901	689,075
Non-cash interest expense on convertible debt	20,115	51,799
Non-cash restructuring and other special charges	7,220	(524)
Stock-based compensation expense	423,428	414,667
Provision for doubtful accounts	24,288	3,733
Deferred income taxes, net	(116,581)	(24,852)
Excess tax benefits from stock-based compensation	(154,907)	(252,124)
Other, net	(37,624)	(38,308)
Changes in assets and liabilities, net of acquisitions:
Accounts and notes receivable	(23,845)	(21,617)
Inventories	(172,363)	(258,959)
Other assets	27,954	(114,971)
Accounts payable	(69,650)	(79,995)
Accrued expenses	(157,805)	13,718
Income taxes payable	213,856	(36,563)
Deferred revenue	880,033	741,234
Other liabilities	2,797	17,713
Net cash provided by operating activities	2,925,214	2,198,207
Parent
Cash flows from financing activities:
Repurchase of common stock	(259,998)	(1,099,997)
VMware
Cash flows from financing activities:
Repurchase of common stock	$ (178,195)	$ (280,389)