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Equity and Capital - Equity Distribution Agreement (Details) - 2022 Sales Agreement $ in Millions | 3 Months Ended
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Mar. 31, 2023 USD ($)
Subsidiary, Sale of Stock [Line Items] |
Amount of shares reserved for future issuance | $ 1,500.0
Aggregate gross sales price unsold | $ 0.0

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- Definition Aggregate gross sales price that remained unsold under the prior program. + References No definition available. + Details
Name: | dlr_AggregateGrossSalesPriceRemainedUnsoldUnderPriorProgram
Namespace Prefix: | dlr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- 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

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

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