Income Per Share (Tables) (Digital Realty Trust, Inc. [Member])

12 Months Ended

Dec. 31, 2011

Digital Realty Trust, Inc. [Member]

Summary Of Basic And Diluted Earnings Per Share

	Year Ended December 31,
	2011		2010		2009
Net income available to common stockholders	$	130,868	$	58,339	$	47,258
Weighted average shares outstanding—basic		98,405,375		84,275,498		75,950,370
Potentially dilutive common shares:
Stock options		187,834		201,704		138,944
Class C Units (2007 Grant)		15,050		97,761		—
Unvested incentive units		190,771		186,691		—
Excess exchange value of the 2026 Debentures		370,719		1,251,817		931,576
Weighted average shares outstanding—diluted		99,169,749		86,013,471		77,020,890
Income per share:
Basic	$	1.33	$	0.69	$	0.62
Diluted	$	1.32	$	0.68	$	0.61

Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share

	Year Ended December 31,
	2011		2010		2009
Weighted average of Operating Partnership common units not owned by us		4,647,629		4,985,674		5,764,856
Potentially dilutive outstanding stock options		—		—		389,016
Potentially dilutive 2029 Debentures		6,328,234		6,217,841		4,345,228
Potentially dilutive outstanding Class C Units (2007 Grant)		—		—		685,036
Potentially dilutive Series C Cumulative Convertible Preferred Stock		3,016,780		3,671,190		3,617,214
Potentially dilutive Series D Cumulative Convertible Preferred Stock		6,242,257		8,271,022		8,215,220
Potentially dilutive Series E Cumulative Redeemable Preferred Stock		1,311,310		—		—
		21,546,210		23,145,727		23,016,570