Aggregate gross sales price that remained unsold under the prior program.

No definition available.

Name:	dlr_AggregateGrossSalesPriceRemainedUnsoldUnderPriorProgram
Namespace Prefix:	dlr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of common stock available for future sales.

+ References

No definition available.

+ Details

Name:	dlr_CommonStockCapitalSharesReservedForFutureIssuanceAmount
Namespace Prefix:	dlr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount of forward equity sales agreement deemed to be liabilities.

+ References

No definition available.

+ Details

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

- Definition

The number of shares entered for agreement.

+ References

No definition available.

+ Details

Name:	dlr_NumberOfSharesEnteredForAgreement
Namespace Prefix:	dlr_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents average price per share.

+ References

No definition available.

+ Details

Name:	dlr_SaleOfStockAveragePricePerShare
Namespace Prefix:	dlr_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

The maximum amount for which shares could be sold under the sales agreement.

+ References

No definition available.

+ Details

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

- Definition

The cash outflow for cost incurred directly with the issuance of an equity security.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-15

+ Details

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

- Definition

Cash received on stock transaction after deduction of issuance costs.

+ References

No definition available.

+ Details

Name:	us-gaap_SaleOfStockConsiderationReceivedOnTransaction
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

+ References

No definition available.

+ Details

Name:	us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

+ References

No definition available.

+ Details

Name:	us-gaap_SaleOfStockPricePerShare
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
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

No definition available.

+ Details

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

- Details

Name:	us-gaap_SubsidiarySaleOfStockAxis=dlr_SalesAgreement2022Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsidiarySaleOfStockAxis=dlr_ForwardSaleAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
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Equity and Capital - Equity Distribution Agreement (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions		6 Months Ended
	Jul. 26, 2023	Jun. 30, 2023	Jun. 30, 2022	Apr. 01, 2022
Subsidiary, Sale of Stock [Line Items]
Forward equity sales agreement deemed to be liabilities		$ 0.0
2022 Sales Agreement
Subsidiary, Sale of Stock [Line Items]
Aggregate maximum offering price				$ 1,500.0
Net proceeds on public offering		$ 743.0
Number of shares entered for agreement		7.8
Average price per share		$ 95.96
Payment of stock issuance costs		$ 7.5
Aggregate gross sales price unsold			$ 0.0
Forward Sale Agreement
Subsidiary, Sale of Stock [Line Items]
Common stock issued in public offering (shares)		3.5
Initial forward sale price, per share		$ 97.68
Amount of shares reserved for future issuance		$ 408.7
Forward Sale Agreement \| Subsequent Event
Subsidiary, Sale of Stock [Line Items]
Net proceeds on public offering	$ 336.0
Common stock issued in public offering (shares)	3.5