Subsequent Events (Schedule Of Dividends Declared And Distributions Per Unit) (Details) (Digital Realty Trust, L.P., USD $)	0 Months Ended
	Apr. 24, 2015	Apr. 23, 2015	Apr. 30, 2015	Mar. 31, 2015	Dec. 31, 2014
Subsequent Event [Line Items]
Debt				$ 4,832,153,000
Senior Notes:
Subsequent Event [Line Items]
Debt				2,612,260,000
Senior Notes: | 4.50% notes due 2015
Subsequent Event [Line Items]
Debt				375,000,000	375,000,000
Subsequent Event | Senior Notes: | 4.50% notes due 2015
Subsequent Event [Line Items]
Redemption price	100.00%	100.00%
833 Chestnut Street | Subsequent Event
Subsequent Event [Line Items]
Investments			160,800,000
Proceeds			150,000,000
Gain			$ 77,400,000