Represents the number of powered base buildings held for sale.

No definition available.

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Namespace Prefix:	dlr_
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- Definition

The number of properties sold.

+ References

No definition available.

+ Details

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- Definition

Number of Real Estate Properties Reclassified to Held to Sale

+ References

No definition available.

+ Details

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- Definition

Period of time that transitional property management services will be provided after closing date of sale of property.

+ References

No definition available.

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

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

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount before tax of gain (loss) recognized on the sale or disposal of a disposal group. Excludes discontinued operations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=109226348&loc=d3e2443-110228

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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- Definition

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

+ References

No definition available.

+ Details

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Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Carrying amount as of the balance sheet date of investments in land and buildings held for sale, excluding real estate considered to be inventory of the entity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.1(f))
-URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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Investments in Properties - Held for Sale (Details) $ in Millions		1 Months Ended
	Sep. 16, 2019 USD ($) property	Jan. 31, 2020 USD ($) property	Dec. 31, 2020 property	Dec. 31, 2019 USD ($) property
Business Acquisition [Line Items]
Number of powered base buildings	10
Number of Data Centers			291	225
Period of transitional property management services provided after closing on sale of real estate		1 year
North America
Business Acquisition [Line Items]
Number of Data Centers			125
Data Centers \| 10 Powered Base Building \| Disposal Group, Held-for-sale, Not Discontinued Operations
Business Acquisition [Line Items]
Number of properties, classified as held for sale	12			12
Purchase consideration receivable \| $	$ 557.0
Number of properties sold		12
Gain (loss) on sale \| $		$ 303.3
Data Centers \| 10 Powered Base Building \| Disposal Group, Held-for-sale, Not Discontinued Operations \| Assets Held For Sale
Business Acquisition [Line Items]
Carrying value of real estate held-for-sale \| $				$ 229.9
Data Centers \| 10 Powered Base Building \| Disposal Group, Held-for-sale, Not Discontinued Operations \| Obligations Associated With Assets Held For Sale
Business Acquisition [Line Items]
Carrying value of real estate held-for-sale \| $				$ 2.7
Data Centers \| North America
Business Acquisition [Line Items]
Number of properties, classified as held for sale	12
Unconsolidated Joint Ventures
Business Acquisition [Line Items]
Number of Data Centers			43	41
Unconsolidated Joint Ventures \| Mapletree JV
Business Acquisition [Line Items]
Number of Data Centers			3