Debt Of The Operating Partnership (5.50% Exchangeable Senior Notes Due 2029) (Narrative) (Details) (5.50% Exchangeable Senior Debentures Due 2029 [Member], Digital Realty Trust, L.P. [Member], USD $)	12 Months Ended
	Dec. 31, 2013	Apr. 20, 2009
5.50% Exchangeable Senior Debentures Due 2029 [Member] | Digital Realty Trust, L.P. [Member]
Debt Instrument [Line Items]
Issuance date	Apr. 20, 2009
Senior face amount		$ 266,400,000
Maturity date	Apr. 15, 2029
Interest rate		5.50%
Debt issuance cost	$ 7,800,000
Amortization period	5 years
Exchangeable debenture exchange rate, shares	0.0232558
Reference dividend rate, per share	$ 0.33
Exchangeable debenture exchange rate, shares, adjusted	0.0255490