Business Combination, Transaction Value

No definition available.

Name:	dlr_BusinessCombinationTransactionValue
Namespace Prefix:	dlr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Disposal Group, Including Discontinued Operations, Transaction Value

+ References

No definition available.

+ Details

Name:	dlr_DisposalGroupIncludingDiscontinuedOperationsTransactionValue
Namespace Prefix:	dlr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Area of a real estate property.

+ References

No definition available.

+ Details

Name:	us-gaap_AreaOfRealEstateProperty
Namespace Prefix:	us-gaap_
Data Type:	num:areaItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 30
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 30
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6613-128477

+ Details

Name:	us-gaap_BusinessCombinationConsiderationTransferred1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

+ References

No definition available.

+ Details

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

- Definition

The difference between the carrying value and the sale price of real estate or properties that were intended to be sold or held for capital appreciation or rental income. This element refers to the gain (loss) included in earnings and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585

+ Details

Name:	us-gaap_GainLossOnSaleOfProperties
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The number of real estate properties owned as of the balance sheet date.

+ References

No definition available.

+ Details

Name:	us-gaap_NumberOfRealEstateProperties
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

Name:	us-gaap_SubsequentEventLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_DisposalGroupClassificationAxis=us-gaap_DisposalGroupDisposedOfBySaleNotDiscontinuedOperationsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=dlr_DataCenterPortfolioStLouisandNorthernVirginiaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementScenarioAxis=us-gaap_ScenarioForecastMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=dlr_EquinixMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementGeographicalAxis=dlr_St.LouisMissouriMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementGeographicalAxis=stpr_VA
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementGeographicalAxis=dlr_LondonMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementGeographicalAxis=dlr_AmsterdamMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementGeographicalAxis=dlr_FrankfurtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Subsequent Events (Details) ft² in Thousands, € in Millions, $ in Millions			3 Months Ended
	Aug. 01, 2016 USD ($)	Aug. 01, 2016 EUR (€)	Sep. 30, 2016 USD ($)	Sep. 30, 2016 USD ($)	Sep. 30, 2016 EUR (€)	Jul. 11, 2016 USD ($) ft² property	Jul. 05, 2016 USD ($) ft² property	Jun. 30, 2016 property
Subsequent Event [Line Items]
Number of properties								140
Disposed of by sale \| Data Center Portfolio, St Louis and Northern Virginia
Subsequent Event [Line Items]
Number of properties								4
Forecast \| Disposed of by sale \| Data Center Portfolio, St Louis and Northern Virginia
Subsequent Event [Line Items]
Gain on Sale \| $			$ 27
Equinix \| Forecast
Subsequent Event [Line Items]
Gain on Sale \| $			142
Subsequent Event \| Disposed of by sale \| Data Center Portfolio, St Louis and Northern Virginia
Subsequent Event [Line Items]
Number of properties						4
Sellable square feet comprised in portfolio (in sqft) \| ft²						454
Value of property sale transaction \| $						$ 115
Gross Proceeds \| $						$ 113
Gain on Sale \| $			$ 27
Subsequent Event \| St. Louis \| Disposed of by sale \| Data Center Portfolio, St Louis and Northern Virginia
Subsequent Event [Line Items]
Number of properties						2
Subsequent Event \| Northern Virginia \| Disposed of by sale \| Data Center Portfolio, St Louis and Northern Virginia
Subsequent Event [Line Items]
Number of properties						2
Subsequent Event \| Equinix
Subsequent Event [Line Items]
Number of properties							8
Transaction value \| $							$ 874
Sellable square feet comprised in portfolio (in sqft) \| ft²							213
Business combination, consideration transferred	$ 212	€ 190		$ 212	€ 190
Subsequent Event \| Equinix \| London
Subsequent Event [Line Items]
Number of properties							5
Subsequent Event \| Equinix \| Amsterdam
Subsequent Event [Line Items]
Number of properties							2
Subsequent Event \| Equinix \| Frankfurt
Subsequent Event [Line Items]
Number of properties							1