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