Debt - Schedule of Debt Functional Currencies (Details) - Digital Realty Trust, L.P. - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Debt Instrument
Amount Outstanding	$ 14,038,386	$ 13,413,013
Weighted-average interest rate	2.24%	2.38%
Global revolving credit facilities
Debt Instrument
Amount Outstanding	$ 1,032,946	$ 540,184
Weighted-average interest rate	0.98%	0.91%
Unsecured term loans
Debt Instrument
Amount Outstanding		$ 537,470
Weighted-average interest rate		1.20%
Unsecured senior notes
Debt Instrument
Amount Outstanding	$ 12,762,570	$ 12,096,029
Weighted-average interest rate	2.33%	2.49%
Senior Notes.
Debt Instrument
Amount Outstanding	$ 12,762,570
Secured and Other Debt
Debt Instrument
Amount Outstanding	$ 242,870	$ 239,330
Weighted-average interest rate	3.06%	2.92%
3.750% notes due 2030 | Unsecured senior notes
Debt Instrument
Amount Outstanding	$ 760,705	$ 751,850
2.750% notes due 2023 | Unsecured senior notes
Debt Instrument
Amount Outstanding		350,000
U.S. dollar ($)
Debt Instrument
Amount Outstanding	$ 3,822,870	$ 3,629,000
Weighted-average interest rate	27.20%	27.10%
British pound sterling ()
Debt Instrument
Amount Outstanding	$ 2,143,805	$ 2,166,695
Weighted-average interest rate	15.30%	16.20%
Euro ()
Debt Instrument
Amount Outstanding	$ 7,757,504	$ 6,912,142
Weighted-average interest rate	55.30%	51.50%
Other
Debt Instrument
Amount Outstanding	$ 314,207	$ 705,176
Weighted-average interest rate	2.20%	5.20%