Name:	emc_CapitalLeasesFutureMinimumPaymentsReceivableInterestIncludedInPaymentsReceivable
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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

The discounted value of future cash flows under leases meeting the criteria for capitalization.

No definition available.

Name:	emc_CapitalLeasesFutureMinimumPaymentsReceivablePresentValueOfNetMinimumPaymentsReceivable
Namespace Prefix:	emc_
Data Type:	xbrli:monetaryItemType
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Capital Leases, Future Minimum Payments Receivable, Present Value of Net Minimum Payments Receivable Current

No definition available.

Name:	emc_CapitalLeasesFutureMinimumPaymentsReceivablePresentValueOfNetMinimumPaymentsReceivableCurrent
Namespace Prefix:	emc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Capital Leases, Future Minimum Payments Receivable, Present Value of Net Minimum Payments Receivable Noncurrent

No definition available.

Name:	emc_CapitalLeasesFutureMinimumPaymentsReceivablePresentValueOfNetMinimumPaymentsReceivableNoncurrent
Namespace Prefix:	emc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Amount of minimum lease payments to be received by the lessor for capital leases.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 30

-Section 50

-Paragraph 4

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=25496975&loc=d3e45377-112738

Name:	us-gaap_CapitalLeasesFutureMinimumPaymentsReceivable
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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

Amount of minimum lease payments to be received by the lessor for capital leases in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

Name:	us-gaap_CapitalLeasesFutureMinimumPaymentsReceivableCurrent
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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

Amount of minimum lease payments to be received by the lessor for capital leases after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

Name:	us-gaap_CapitalLeasesFutureMinimumPaymentsReceivableDueThereafter
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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

Amount of minimum lease payments to be received by the lessor for capital leases in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

Name:	us-gaap_CapitalLeasesFutureMinimumPaymentsReceivableInThreeYears
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Amount of minimum lease payments to be received by the lessor for capital leases in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.