Document and Entity Information Entities [Table] Entities [Table] Class of Stock [Axis] Class of Stock [Domain] Common Stock [Member] Common Stock Series J Preferred Stock [Member] Series J Cumulative Redeemable Preferred Stock Potentially dilutive Series J Cumulative Redeemable Preferred Stock Series K Preferred Stock [Member] Series K Cumulative Redeemable Preferred Stock Potentially dilutive Series K Cumulative Redeemable Preferred Stock Series L Preferred Stock [Member] Series L Cumulative Redeemable Preferred Stock Potentially dilutive Series L Cumulative Redeemable Preferred Stock Legal Entity [Axis] All Entities [Member] Represents Digital Realty Trust, L.P. Digital Realty Trust, L.P. Digital Realty Trust, L.P. Entity Information [Line Items] Document and Entity Information Document Type Document Type Document Quarterly Report Document Quarterly Report Document Period End Date Document Period End Date Document Transition Report Document Transition Report Securities Act File Number Entity File Number Entity Registrant Name Entity Registrant Name Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Entity Tax Identification Number Entity Tax Identification Number Entity Address, Address Line One Entity Address, Address Line One Entity Address, City or Town Entity Address, City or Town Entity Address, State or Province Entity Address, State or Province Entity Address, Postal Zip Code Entity Address, Postal Zip Code City Area Code City Area Code Local Phone Number Local Phone Number Title of 12(b) Security Title of 12(b) Security Trading Symbol Trading Symbol Security Exchange Name Security Exchange Name Entity Current Reporting Status Entity Current Reporting Status Entity Interactive Data Current Entity Interactive Data Current Entity Filer Category Entity Filer Category Entity Small Business Entity Small Business Entity Emerging Growth Company Entity Emerging Growth Entity Shell Company Entity Shell Company Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Amendment Flag Amendment Flag CONDENSED CONSOLIDATED BALANCE SHEETS Statement [Table] Statement [Table] Statement [Line Items] Statement Assets [Abstract] ASSETS Real Estate Investment Property, Net [Abstract] Investments in real estate: Real Estate Investment Property, Net Investments in properties, net Investments in properties, net Real Estate Investments, Unconsolidated Real Estate and Other Joint Ventures Investments in unconsolidated entities Real Estate Investments, Net Investments in Properties, net Net investments in real estate Operating Lease, Right-of-Use Asset Operating lease right-of-use assets, net Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents Accounts and Financing Receivable, after Allowance for Credit Loss Accounts and other receivables, net Accounts and other receivables, net Deferred Rent Receivables, Net Deferred rent, net Deferred rent, net Goodwill. Goodwill Amount of customer relationship, deferred leasing costs and intangible assets net. Customer Relationship Leases Deferred Leasing Costs And Intangible Assets Net Customer relationship value, deferred leasing costs and other intangibles, net Amount of assets held-for-sale and contribution that are not part of a disposal group. Asset, Held For Sale And Contribution, Not Part of Disposal Group Assets held for sale and contribution Other Assets Other assets Assets Total assets Liabilities and Equity [Abstract] LIABILITIES AND EQUITY Long-Term Line of Credit Global revolving credit facilities, net Letters of credit issued Unsecured Debt Unsecured term loans, net Senior Notes Unsecured senior notes, net Secured Debt Secured and other debt, net Secured and other debt, net Operating Lease, Liability Operating lease liabilities Accounts Payable and Accrued Liabilities Accounts payable and other accrued liabilities Accounts payable and other accrued liabilities Deferred Income Tax Liabilities, Net Deferred tax liabilities Dividends Payable Accrued dividends and distributions Security Deposit Liability Security deposits and prepaid rents Amount classified as liabilities attributable to disposal group held for sale or disposed of and contribution. Disposal Group, Including Discontinued Operation, Liabilities Relating To Assets Held For Sale And Contribution Obligations associated with assets held for sale and contribution Liabilities Total value of assumed liabilities Total liabilities Temporary Equity, Carrying Amount, Including Portion Attributable to Noncontrolling Interests Redeemable noncontrolling interests Commitments and Contingencies. Commitments and contingencies Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Equity: Equity, Attributable to Parent [Abstract] Stockholders' Equity: Preferred Stock, Value, Issued Preferred Stock: $0.01 par value per share, 110,000 shares authorized; $755,000 liquidation preference ($25.00 per share), 30,200 shares issued and outstanding as of June 30, 2026 and December 31, 2025 Common Stock, Value, Issued Common Stock: $0.01 par value per share, 502,000 shares authorized; 370,010 and 343,557 issued and outstanding as of June 30, 2026 and December 31, 2025, respectively Partners' Capital, Including Portion Attributable to Noncontrolling Interest [Abstract] Capital: Partners' Capital [Abstract] Partners' capital: Preferred Units, Preferred Partners' Capital Accounts Preferred units, $755,000 liquidation preference ($25.00 per unit), 30,200 units issued and outstanding as of June 30, 2026 and December 31, 2025 General Partners' Capital Account Common units, 370,010 and 343,557 issued and outstanding as of June 30, 2026 and December 31, 2025, respectively Limited Partners' Capital Account Limited Partners, 6,665 and 6,189 units issued and outstanding as of June 30, 2026 and December 31, 2025, respectively Additional Paid in Capital Additional paid-in capital Retained Earnings (Accumulated Deficit) Accumulated dividends in excess of earnings Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive loss, net Equity, Attributable to Parent Total stockholders' equity Partners' Capital Total partners' capital Equity, Attributable to Noncontrolling Interest Noncontrolling interests Noncontrolling Interest in Joint Ventures Noncontrolling interests in consolidated entities Equity, Including Portion Attributable to Noncontrolling Interest Ending balance Beginning balance Total equity Partners' Capital, Including Portion Attributable to Noncontrolling Interest Ending balance Beginning balance Total capital Liabilities and Equity Total liabilities and equity Preferred Stock, Par or Stated Value Per Share Preferred stock, par value (in dollars per share/unit) Preferred Stock, Shares Authorized Preferred stock, authorized (shares) Preferred Stock, Liquidation Preference, Value Liquidation preference Preferred Stock Liquidating Preference Preferred stock, liquidation preference per share (in dollars per share) Preferred Stock, Shares Issued Preferred stock, issued (shares) Preferred Stock, Shares Outstanding Preferred stock, outstanding (shares) Common Stock, Par or Stated Value Per Share Common stock, par value (in dollars per share/unit) Common Stock, Shares Authorized Common stock, authorized (shares) Common Stock, Shares, Issued Common stock, shares, issued (shares) Common Stock, Shares, Outstanding Common stock, shares, outstanding (shares) Preferred Units, Issued Preferred units, issued (units) Preferred Units, Outstanding Preferred units, outstanding (units) General Partners' Capital Account, Units Issued Common units, issued (units) General Partners' Capital Account, Units Outstanding Common units, outstanding (units) Limited Partners' Capital Account, Units Issued Limited Partners' units, issued (units) Limited Partners' Capital Account, Units Outstanding Limited Partners' units outstanding (units) CONDENSED CONSOLIDATED INCOME STATEMENTS Product and Service [Axis] Product and Service [Domain] Rental And Other Services [Member] Rental and other services Fee Income And Other [Member] Fee income and other Revenues [Abstract] Operating Revenues: Revenues Total operating revenues Costs and Expenses [Abstract] Operating Expenses: Operating Lease, Expense Rental property operating and maintenance Real Estate Taxes and Insurance Property taxes and insurance Depreciation, Depletion and Amortization, Nonproduction Depreciation and amortization General and Administrative Expense General and administrative Business Combination, Acquisition And Integration Related Costs Business Combination, Acquisition And Integration Related Costs Transactions and integration The total amount of other operating expense items that are associated with the entity's normal revenue producing operation. Other Expenses, Operating Other Operating Expenses Total operating expenses The net result for the period of deducting operating expenses from operating revenues, Excluding gain (loss) on disposition of assets. Operating Income (Loss), Excluding Gain (Loss) on Disposition Of Assets Operating income before gain on disposition of properties, net Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property Gain on disposition of properties, net Operating Income (Loss) Total operating income Nonoperating Income (Expense) [Abstract] Other Income (Expenses): Income (Loss) from Equity Method Investments Equity in loss of unconsolidated entities Equity in earnings (loss) of unconsolidated entities Other Nonoperating Income (Expense) Other income, net Interest Expense, Operating and Nonoperating Interest expense Gain (Loss) on Extinguishment of Debt Loss on debt extinguishment and modifications Income Tax Expense (Benefit) Income tax expense Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net income Net income Net Income (Loss) Attributable to Noncontrolling Interest Net (income) loss attributable to noncontrolling interests Net income attributable to Digital Realty Trust Dividends, Preferred Stock, Stock Preferred stock dividends Dividends declared on preferred stock Net Income (Loss) Available to Common Stockholders, Basic Net income available to common stockholders / unitholders Net income available to common stockholders Earnings per Common Share or Unit Net income per share available to common stockholders: Earnings Per Share, Basic Basic (in dollars per share) Earnings Per Share, Diluted Diluted (in dollars per share) Weighted Average Number of Shares Outstanding, Diluted [Abstract] Weighted average common shares outstanding: Denominator: Weighted Average Number of Shares Outstanding, Basic Basic (in shares) Weighted average units outstanding-basic (shares/units) Weighted Average Number of Shares Outstanding, Diluted Weighted average units outstanding-diluted (shares/units) Diluted (in shares) CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) Other Comprehensive Income (Loss), Net of Tax [Abstract] Other comprehensive income (loss): Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax Foreign currency translation adjustments Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax Increase in fair value of derivatives Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax Reclassification to interest expense from derivatives Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Other comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Comprehensive (income) attributable to noncontrolling interests Comprehensive Income (Loss), Net of Tax, Attributable to Parent Comprehensive income attributable to Digital Realty Trust CONDENSED CONSOLIDATED STATEMENT OF EQUITY Equity Components [Axis] Equity Component [Domain] Redeemable Noncontrolling Interests Operating Partnership [Member] Redeemable Noncontrolling Interests Preferred Stock [Member] Preferred Stock Additional Paid-in Capital [Member] Additional Paid-in Capital Retained Earnings [Member] Accumulated Dividends in Excess of Earnings AOCI Attributable to Parent [Member] Accumulated Other Comprehensive Income Loss, Net Noncontrolling Interest [Member] Noncontrolling Interests Partner Capital Components [Axis] Partner Capital Components [Domain] Noncontrolling Interests in Consolidated Joint Ventures [Member] Noncontrolling Interests in Consolidated Joint Ventures Noncontrolling Interests Redeemable Limited Partner Common Units [Member] Redeemable Interests Redeemable Limited Partner Common Units Increase (Decrease) in Stockholders' Equity [Roll Forward] CONDENSED CONSOLIDATED STATEMENT OF EQUITY Shares, Outstanding Ending balance (shares) Beginning balance (shares) Stock Issued During Period, Value, Conversion of Units Conversion of common units to common stock Stock Issued During Period, Shares, Conversion of Units Conversion of common units to common stock (shares) Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Effect of equity compensation plans Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Effect of equity compensation plans (shares) Effect of equity compensation plans (in units) Stock Issued During Period, Value, New Issues Issuance of common stock, net of costs Stock Issued During Period, Shares, New Issues Issuance of common stock, net of costs (shares) Stock Issued During Period, Value, Acquisitions Common stock issued in connection with acquisition of Blackstone joint venture interests Stock Issued During Period, Shares, Acquisitions Common stock issued in connection with acquisition of Blackstone joint venture interests (shares) Noncontrolling Interest, Increase from Subsidiary Equity Issuance Common units issued in connection with the Astra acquisition Contributions from noncontrolling interests in consolidated entities Reclassification of vested share based awards Adjustments to Additional Paid in Capital, Reclassification of vested share based awards Reclassification of vested share-based awards Amount of increase (decrease) in additional paid in capital (APIC) for the increase (decrease) in the carrying amount of redeemable non-controlling interests. Adjustments to Additional Paid in Capital, Adjustments To Carrying Amount of Redeemable Non Controlling Interests Adjustment to redeemable noncontrolling interests Dividends, Common Stock Dividends and distributions on common stock and common and incentive units Amount of increase (decrease) from contributions from (distributions to) noncontrolling interest holders. Minority Interest, Increase (Decrease) from Contributions from (Distributions to) Noncontrolling Interest Holders Contributions from (distributions to) noncontrolling interests Contributions from (distributions to) noncontrolling interests in consolidated entities Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest Net income (loss) Amount after tax and reclassification adjustments of other comprehensive income (loss). including portion attributable to noncontrolling interest. Other Comprehensive Income (Loss), Including Portion Attributable To Nonredeemable Noncontrolling Interest Other comprehensive income (loss) CONDENSED CONSOLIDATED STATEMENT OF CAPITAL Partner Type [Axis] Partner Type of Partners' Capital Account, Name [Domain] General Partner [Member] General Partner Limited Partner [Member] Limited Partners Preferred Units [Member] Preferred Units Common Units [Member] Common Units Common Units Increase (Decrease) in Partners' Capital [Roll Forward] Increase (Decrease) in Partners' Capital [Roll Forward] Partners' Capital Account, Units Ending balance (units) Beginning balance (units) Number of units (units) Partners' Capital Account, Exchanges and Conversions Conversion of limited partner common units to general partner common units Partners' Capital Account, Units, Converted Conversion of limited partner common units to general partner common units (units) Partners' Capital Account, Unit-Based Payment Arrangement, Amount Issuance of common units, net of costs Partners' Capital Account, Unit-Based Payment Arrangement, Number of Units Issuance of common units, net of costs (in units) Partners' Capital Account, Acquisitions Common stock issued in connection with acquisition of Blackstone joint venture interests Partners' Capital Account, Units, Acquisitions Common stock issued in connection with acquisition of Blackstone joint venture interests (in units)