Equity And Accumulated Other Comprehensive Loss, Net (Schedule Of Dividends) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	0 Months Ended	6 Months Ended		12 Months Ended
	Jul. 19, 2012	Jun. 30, 2012		Dec. 31, 2011
Series C Cumulative Convertible Preferred Units [Member]
Equity and Accumulated Other Comprehensive Income (Loss) [Line Items]
Dividends/Distributions, preferred stock/units		$ 1,402	[1],[2]
Preferred stock dividend per share amount		$ 1.094
Preferred stock, dividend rate		4.375%		4.375%
Shares issued upon conversion		0.5480
Series D Cumulative Convertible Preferred Units [Member]
Equity and Accumulated Other Comprehensive Income (Loss) [Line Items]
Dividend/Distribution payable date	Sep. 28, 2012
Dividends/Distributions, preferred stock/units		4,792	[3]
Preferred stock dividend per share amount	$ 1.375	$ 1.375
Preferred stock, dividend rate		5.50%		5.50%
Series E Cumulative Convertible Preferred Units [Member]
Equity and Accumulated Other Comprehensive Income (Loss) [Line Items]
Dividend/Distribution payable date	Sep. 28, 2012
Dividends/Distributions, preferred stock/units		10,062	[4]
Preferred stock dividend per share amount	$ 1.750	$ 1.750
Preferred stock, dividend rate		7.00%		7.00%
Series F Cumulative Convertible Preferred Units [Member]
Equity and Accumulated Other Comprehensive Income (Loss) [Line Items]
Dividend/Distribution payable date	Sep. 28, 2012
Dividends/Distributions, preferred stock/units		2,888	[5]
Preferred stock dividend per share amount	$ 1.65625	$ 1.656
Preferred stock, dividend rate		6.625%		6.625%
Common Stock [Member]
Equity and Accumulated Other Comprehensive Income (Loss) [Line Items]
Dividend/Distribution payable date	Sep. 28, 2012
Dividends/Distributions, common stock/units		158,813	[6]
Preferred stock dividend per share amount	$ 2.920
Common stock dividend per share amount		$ 2.920
February 14, 2012 [Member]
Equity and Accumulated Other Comprehensive Income (Loss) [Line Items]
Date dividend/distribution declared		Feb. 14, 2012
Dividend/Distribution payable date		Mar. 30, 2012
February 14, 2012 [Member] | Series C Cumulative Convertible Preferred Units [Member]
Equity and Accumulated Other Comprehensive Income (Loss) [Line Items]
Dividends/Distributions, preferred stock/units		1,402	[1],[2]
February 14, 2012 [Member] | Series D Cumulative Convertible Preferred Units [Member]
Equity and Accumulated Other Comprehensive Income (Loss) [Line Items]
Dividends/Distributions, preferred stock/units		2,398	[3]
February 14, 2012 [Member] | Series E Cumulative Convertible Preferred Units [Member]
Equity and Accumulated Other Comprehensive Income (Loss) [Line Items]
Dividends/Distributions, preferred stock/units		5,031	[4]
February 14, 2012 [Member] | Common Stock [Member]
Equity and Accumulated Other Comprehensive Income (Loss) [Line Items]
Dividends/Distributions, common stock/units		78,335	[6]
April 23, 2012 [Member]
Equity and Accumulated Other Comprehensive Income (Loss) [Line Items]
Date dividend/distribution declared		Apr. 23, 2012
Dividend/Distribution payable date		Jun. 29, 2012
April 23, 2012 [Member] | Series D Cumulative Convertible Preferred Units [Member]
Equity and Accumulated Other Comprehensive Income (Loss) [Line Items]
Dividends/Distributions, preferred stock/units		2,394	[3]
April 23, 2012 [Member] | Series E Cumulative Convertible Preferred Units [Member]
Equity and Accumulated Other Comprehensive Income (Loss) [Line Items]
Dividends/Distributions, preferred stock/units		5,031	[4]
April 23, 2012 [Member] | Series F Cumulative Convertible Preferred Units [Member]
Equity and Accumulated Other Comprehensive Income (Loss) [Line Items]
Dividends/Distributions, preferred stock/units		2,888	[5],[7]
April 23, 2012 [Member] | Common Stock [Member]
Equity and Accumulated Other Comprehensive Income (Loss) [Line Items]
Dividends/Distributions, common stock/units		$ 80,478	[6]

[1] $1.094 annual rate of dividend per share.

[2] Effective April 17, 2012, Digital Realty Trust, Inc. converted all outstanding shares of its 4.375% series C cumulative convertible preferred stock, or the series C preferred stock, into shares of its of common stock in accordance with the terms of the series C preferred stock. Each share of series C preferred stock was converted into 0.5480 shares of common stock of Digital Realty Trust, Inc.

[3] $1.375 annual rate of dividend per share.

[4] $1.750 annual rate of dividend per share.

[5] $1.656 annual rate of dividend per share.

[6] $2.920 annual rate of dividend per share.

[7] Represents a pro rata dividend from and including the original issue date to and including June 30, 2012.