Debt of the Operating Partnership - Schedule of Debt Functional Currencies (Details) - Digital Realty Trust, L.P. - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Amount Outstanding	$ 13,562,240	$ 13,413,013
U.S. dollar
Debt Instrument [Line Items]
Amount Outstanding	$ 3,141,951	$ 3,629,000
% of Total	23.20%	27.10%
British pound sterling
Debt Instrument [Line Items]
Amount Outstanding	$ 2,117,758	$ 2,166,695
% of Total	15.60%	16.20%
Euro
Debt Instrument [Line Items]
Amount Outstanding	$ 7,532,057	$ 6,912,142
% of Total	55.50%	51.50%
Other
Debt Instrument [Line Items]
Amount Outstanding	$ 770,474	$ 705,176
% of Total	5.70%	5.20%