Equity And Accumulated Other Comprehensive Income (Loss), Net (Summary Of Activity For Noncontrolling Interests In The Operating Partnership) (Details)	3 Months Ended				3 Months Ended
	Mar. 31, 2014		Mar. 31, 2014 Common Units [Member]	Dec. 31, 2013 Common Units [Member]	Mar. 31, 2014 Incentive Units [Member]
Equity and Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	2,967,021		1,491,814	1,491,814	1,475,207
Conversion of incentive units held by employees and directors for shares of Digital Realty Trust, Inc. common stock	(4,438)	[1]			(4,438)	[1]
Cancellation of incentive units held by employees and directors	(18,773)				(18,773)
Grant of incentive units to employees and directors	181,801				181,801
Ending balance	3,125,611		1,491,814	1,491,814	1,633,797

[1] This redemption was recorded as a reduction to noncontrolling interests in the Operating Partnership and an increase to common stock and additional paid in capital based on the book value per unit in the accompanying condensed consolidated balance sheet of Digital Realty Trust, Inc.