Debt Of The Operating Partnership (5.875% Notes Due 2020) (Narrative) (Details) (Digital Realty Trust, L.P. [Member], USD $)	12 Months Ended
	Dec. 31, 2013	Jan. 28, 2010
Debt Instrument [Line Items]
Unamortized discount	$ 15,048,000
5.875% Notes Due 2020 [Member]
Debt Instrument [Line Items]
Issuance date	Jan. 28, 2010
Senior face amount		500,000,000
Maturity date	Feb. 01, 2020
Interest rate		5.875%
Purchase price paid, percentage of face amount	98.296%
Unamortized discount	8,500,000
Debt issuance cost	4,400,000
Borrowings on unsecured senior notes	$ 487,100,000
Leverage ratio percentage	60.00%
Secured debt ratio percentage	40.00%
Interest coverage ratio	1.50
Unencumbered assets percentage to unsecured debt	150.00%