Income Per Unit (Tables)

3 Months Ended

Mar. 31, 2012

Summary Of Basic And Diluted Earnings Per Share

	Three Months Ended March 31,
	2012		2011
Net income available to common stockholders	$	39,211	$	30,980
Weighted average shares outstanding—basic		107,099,856		91,428,355
Potentially dilutive common shares:
Stock options		205,830		202,038
Class C Units (2007 Grant)		16,358		92,795
Unvested incentive units		262,812		153,066
Excess exchange value of the 2026 Debentures		—		723,961
Weighted average shares outstanding—diluted		107,584,856		92,600,215
Income per share:
Basic	$	0.37	$	0.34
Diluted	$	0.36	$	0.33

Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share

	Three Months Ended March 31,
	2012		2011
Weighted average of Operating Partnership common units not owned by us		4,332,966		4,874,253
Potentially dilutive 2029 Debentures		6,442,085		6,269,990
Potentially dilutive Series C Cumulative Convertible Preferred Stock		2,784,845		3,652,324
Potentially dilutive Series D Cumulative Convertible Preferred Stock		4,337,429		8,333,421
Potentially dilutive Series E Cumulative Redeemable Preferred Stock		4,025,863		—
		21,923,188		23,129,988

Digital Realty Trust, L.P. [Member]

Summary Of Basic And Diluted Earnings Per Share

	Three Months Ended March 31,
	2012		2011
Net income available to common unitholders	$	40,797	$	32,632
Weighted average units outstanding—basic		111,432,822		96,302,608
Potentially dilutive common units:
Stock options		205,830		202,038
Class C Units (2007 Grant)		16,358		92,795
Unvested incentive units		262,812		153,066
Excess exchange value of the 2026 Debentures		—		723,961
Weighted average units outstanding—diluted		111,917,822		97,474,468
Income per unit:
Basic	$	0.37	$	0.34
Diluted	$	0.36	$	0.33

Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share

	Three Months Ended March 31,
	2012		2011
Potentially dilutive 2029 Debentures		6,442,085		6,269,990
Potentially dilutive Series C Cumulative Convertible Preferred Units		2,784,845		3,652,324
Potentially dilutive Series D Cumulative Convertible Preferred Units		4,337,429		8,333,421
Potentially dilutive Series E Cumulative Redeemable Preferred Units		4,025,863		—
		17,590,222		18,255,735