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Debt of the Operating Partnership - Summary of Outstanding Indebtedness (Details) - USD ($) $ in Thousands | Mar. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Debt Instrument [Line Items] |  |
Weighted-average interest rate | 2.06% | 2.23%
Amount Outstanding | $ 14,508,971 | $ 13,562,240
Global revolving credit facilities |  |
Debt Instrument [Line Items] |  |
Weighted-average interest rate | 1.18% | 0.96%
Amount Outstanding | $ 959,713 | $ 415,116
Unsecured term loans |  |
Debt Instrument [Line Items] |  |
Amount Outstanding | $ 13,388,665 |
Unsecured senior notes |  |
Debt Instrument [Line Items] |  |
Weighted-average interest rate | 2.11% | 2.26%
Amount Outstanding | $ 13,388,665 | $ 13,000,042
Secured and other debt |  |
Debt Instrument [Line Items] |  |
Weighted-average interest rate | 3.70% | 3.47%
Amount Outstanding | $ 160,593 | $ 147,082
Digital Realty Trust, L.P. | Unsecured senior notes |  |
Debt Instrument [Line Items] |  |
Amount Outstanding | $ 13,388,665 | $ 13,000,042

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