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

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
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 in the next fiscal year following the latest fiscal year for capital leases.

Name:	us-gaap_CapitalLeasesFutureMinimumPaymentsReceivableCurrent
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 after the fifth fiscal year following the latest fiscal year for capital leases.

Name:	us-gaap_CapitalLeasesFutureMinimumPaymentsReceivableDueThereafter
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 in the third fiscal year following the latest fiscal year for capital leases.

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 in the second fiscal year following the latest fiscal year for capital leases.