Debt - Schedule of Debt Functional Currencies (Details) - Digital Realty Trust, L.P. - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Debt Instrument
Amount Outstanding	$ 13,371,342	$ 13,413,013
Weighted-average interest rate	2.30%	2.38%
Global revolving credit facilities
Debt Instrument
Amount Outstanding	$ 458,343	$ 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	$ 12,672,889	$ 12,096,029
Weighted-average interest rate	2.33%	2.49%
Senior Notes.
Debt Instrument
Amount Outstanding	$ 12,672,889
Secured debt
Debt Instrument
Amount Outstanding	$ 240,110	$ 239,330
Weighted-average interest rate	2.96%	2.92%
3.750% notes due 2030 | Unsecured senior notes
Debt Instrument
Amount Outstanding	$ 758,065	$ 751,850
2.750% notes due 2023 | Unsecured senior notes
Debt Instrument
Amount Outstanding		350,000
U.S. dollar ($)
Debt Instrument
Amount Outstanding	$ 3,469,000	$ 3,629,000
Weighted-average interest rate	25.90%	27.10%
British pound sterling ()
Debt Instrument
Amount Outstanding	$ 2,136,365	$ 2,166,695
Weighted-average interest rate	16.00%	16.20%
Euro ()
Debt Instrument
Amount Outstanding	$ 7,537,634	$ 6,912,142
Weighted-average interest rate	56.40%	51.50%
Singapore dollar (SGD)
Debt Instrument
Amount Outstanding	$ 131,638	$ 262,039
Weighted-average interest rate	1.00%	2.00%
Australian dollar (AUD)
Debt Instrument
Amount Outstanding		$ 223,357
Weighted-average interest rate		1.70%
Hong Kong dollar (HKD)
Debt Instrument
Amount Outstanding		$ 86,062
Weighted-average interest rate		0.60%
Canadian dollar (CAD)
Debt Instrument
Amount Outstanding	$ 16,320	$ 86,775
Weighted-average interest rate	0.10%	0.60%
Japanese yen (JPY)
Debt Instrument
Amount Outstanding	$ 80,385	$ 46,943
Weighted-average interest rate	0.60%	0.30%