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Investments in Unconsolidated Entities - Additional Information (Details) $ / shares in Units, $ in Thousands, shares in Millions |  |  |  |  |  | 1 Months Ended | 3 Months Ended | 9 Months Ended |
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Apr. 03, 2025 USD ($) property project | Mar. 18, 2025 USD ($) a item MW | Jan. 31, 2025 USD ($) | Mar. 01, 2024 USD ($) Center | Jan. 11, 2024 Center | May 31, 2025 USD ($) | Sep. 30, 2025 USD ($) $ / shares shares | Sep. 30, 2024 USD ($) | Sep. 30, 2025 USD ($) item Center property $ / shares shares | Sep. 30, 2024 USD ($) | Dec. 31, 2024 USD ($) $ / shares shares
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Investment in the assets and Fund |  |  |  |  |  |  | $ 29,709,266 |  | $ 29,709,266 |  | $ 26,760,582
Payments to acquire equity method investments |  |  |  |  |  |  |  |  | 326,351 | $ 234,362 |
Digital Core REIT |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Fair value of shares |  |  |  |  |  |  | $ 202,000 |  | $ 202,000 |  | $ 242,000
Digital Core REIT | Subsidiary of Operating Partnership subsidiary |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Ownership interest by noncontrolling interest |  |  |  |  |  |  | 35.00% |  | 35.00% |  |
Digital Realty Bersama Joint Venture |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Potential IT load capacity | MW |  | 32 |  |  |  |  |  |  |  |  |
Number Of land parcels | item |  | 2 |  |  |  |  |  |  |  |  |
Number Of buildings | item |  | 2 |  |  |  |  |  |  |  |  |
Payments to acquire equity method investments |  | $ 94,700 |  |  |  |  |  |  |  |  |
Area of land | a |  | 6 |  |  |  |  |  |  |  |  |
Joint Venture With Mitsubishi Joint Venture |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Percentage of Interest Acquired in Joint Venture |  |  | 15.00% |  |  |  |  |  | 80.00% |  |
Additional cash contribution by Joint Venture partner |  |  | $ 62,000 |  |  |  |  |  |  |  |
Joint Venture With Mitsubishi Joint Venture | Data Centers in Dallas Metro Area |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Planned campuses to support the construction of data centers | Center |  |  |  | 2 |  |  |  |  |  |  |
Remaining development cost to be funded by each partner in pro rata share |  |  |  | $ 140,000 |  |  |  |  |  |  |
Ascenty | Subsidiary of Operating Partnership subsidiary |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Ownership interest by noncontrolling interest |  |  |  |  |  |  | 2.00% |  | 2.00% |  |
Noncontrolling interests in consolidated entities |  |  |  |  |  |  | $ 23,000 |  | $ 23,000 |  |
Digital Core REIT |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Ownership percentage in joint ventures |  |  |  |  |  |  | 32.00% |  | 32.00% |  |
Closing price per unit | $ / shares |  |  |  |  |  |  | $ 0.48 |  | $ 0.48 |  | $ 0.58
Joint Venture With Blackstone Joint Venture |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Gain (loss) on disposition | $ 58,000 |  |  |  |  |  |  |  |  |  |
Number of hyperscale data center campuses develop through joint venture | property | 4 |  |  |  |  |  |  |  |  |  |
Number of additional development projects | project | 3 |  |  |  |  |  |  |  |  |  |
Gross proceeds | $ 77,000 |  |  |  |  |  |  |  |  |  |
Percentage of Interest Acquired in Joint Venture | 50.00% |  |  |  |  |  |  |  |  |  |
Joint Venture With Blackstone Joint Venture | Hyperscale Data Center Campuses across Frankfurt, Paris and Northern Virginia |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of hyperscale data center campuses develop through joint venture | Center |  |  |  |  | 4 |  |  |  |  |  |
Joint Venture With Blackstone Joint Venture | Hyperscale Data Center Campuses across Paris and Northern Virginia |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Ownership percentage in joint ventures |  |  |  |  |  |  | 20.00% |  | 20.00% |  |
Joint Venture With Blackstone Joint Venture | Hyperscale Data Center Campuses across Frankfurt and Northern Virginia |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Ownership percentage in joint ventures |  |  |  |  |  |  | 20.00% |  | 20.00% |  |
Digital realty bersama joint venture |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Ownership percentage in joint ventures |  | 50.00% |  |  |  |  |  |  |  |  |
Joint Venture With Mitsubishi Joint Venture |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Ownership percentage in joint ventures |  |  |  |  |  |  | 20.00% |  | 20.00% |  |
Gain on disposal |  |  | $ 5,100 |  |  |  |  |  |  |  |
Joint Venture With Mitsubishi Joint Venture | Data Centers in Dallas Metro Area |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Ownership percentage in joint ventures |  |  |  | 35.00% |  |  |  |  |  |  |
North America | Digital Core REIT |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Ownership percentage in joint ventures |  |  |  |  |  |  | 10.00% |  | 10.00% |  |
Unconsolidated Joint Ventures | Ascenty |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Ownership percentage in joint ventures |  |  |  |  |  |  | 49.00% |  | 49.00% |  |
Unconsolidated Joint Ventures | Digital Core REIT |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Ownership percentage in joint ventures |  |  |  |  |  |  | 39.00% |  | 39.00% |  |
Minimum | Unconsolidated Joint Ventures | U.S. Hyperscale Data Center Fund |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Ownership percentage in joint ventures |  |  |  |  |  |  | 20.00% |  | 20.00% |  |
Maximum | Unconsolidated Joint Ventures | U.S. Hyperscale Data Center Fund |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Ownership percentage in joint ventures |  |  |  |  |  |  | 60.00% |  | 60.00% |  |
Digital Core REIT |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of data centers | property |  |  |  |  |  |  |  |  | 10 |  |
Number of units owned | shares |  |  |  |  |  |  | 420 |  | 420 |  | 418
Digital Core REIT | Fee income and other |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Fees earned pursuant to these contractual agreements |  |  |  |  |  |  | $ 2,700 | $ 800 | $ 8,900 | 6,800 |
Digital Realty Trust, L.P. |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Investment in the assets and Fund |  |  |  |  |  |  | 29,709,266 |  | 29,709,266 |  | $ 26,760,582
Payments to acquire equity method investments |  |  |  |  |  |  |  |  | 326,351 | $ 234,362 |
Noncontrolling interests in consolidated entities |  |  |  |  |  |  | 7,940 |  | 7,940 |  | $ 6,099
Digital Realty Trust, L.P. | U.S. Hyperscale Data Center Fund |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Equity commitments raised |  |  |  |  |  |  | $ 3,000,000 |  | $ 3,000,000 |  |
Number of data centers included in portfolio | Center |  |  |  |  |  |  |  |  | 5 |  |
Number of land sites included in portfolio | item |  |  |  |  |  |  |  |  | 3 |  |
Net proceeds |  |  |  |  |  | $ 937,000 |  |  |  |  |
Gain (loss) on disposition |  |  |  |  |  | 873,000 |  |  |  |  |
Investment in the assets and Fund |  |  |  |  |  | $ 661,000 |  |  |  |  |
Digital Realty Trust, L.P. | Minimum | U.S. Hyperscale Data Center Fund |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Percentage of ownership interest |  |  |  |  |  |  |  |  | 20.00% |  |
Digital Realty Trust, L.P. | Maximum | U.S. Hyperscale Data Center Fund |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Percentage of ownership interest |  |  |  |  |  |  |  |  | 60.00% |  |
Percentage of direct interest |  |  |  |  |  |  |  |  | 2.00% |  |
Limited Partners | Minimum | U.S. Hyperscale Data Center Fund |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Percentage of ownership interest |  |  |  |  |  |  |  |  | 40.00% |  |
Limited Partners | Maximum | U.S. Hyperscale Data Center Fund |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Percentage of ownership interest |  |  |  |  |  |  |  |  | 80.00% |  |

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