Leases - Narrative (Details) $ in Millions	3 Months Ended
Mar. 31, 2024 USD ($) customer	Mar. 31, 2023 USD ($)
Lessor, Lease, Description [Line Items]
Rent expense \| $	$ 37.0	$ 38.4
Percentage of total revenue from our largest customer (approximates)	12.00%
Number of other customers that makes up more than 6% of our total revenue \| customer	0
Maximum
Lessor, Lease, Description [Line Items]
Percent of total revenue from other individual customers	6.00%

Represents the largest customer's total revenue percentage of company's total revenue base.

No definition available.

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Period Type:	instant

- Definition

Number of customers representing a percentage of revenue.

+ References

No definition available.

+ Details

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- Definition

Represents the threshold percentage of revenue that other customers account for total revenue (excluding the largest customer).

+ References

No definition available.

+ Details

Name:	dlr_PercentageOfRevenueThatOtherCustomersRepresentTotalRevenueExcludingLargestCustomer
Namespace Prefix:	dlr_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- 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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479773/842-30-50-3

+ Details

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

- Definition

Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 5
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479041/842-20-45-5

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (g)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147478964/842-20-50-4

+ Details

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

- Details

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Balance Type:
Period Type: