Incentive Plan (Tables)

3 Months Ended

Mar. 31, 2013

Summary Of Incentive Award Plan's Stock Option

	Three months ended March 31, 2013
	Shares	Weighted average exercise price
Options outstanding, beginning of period	129,259	$              30.61
Exercised	(250)	33.18
Cancelled / Forfeited	-	-
Options outstanding, end of period	129,009	$              30.60
Exercisable, end of period	129,009	$              30.60

Summary Of Stock Options Outstanding And Exercisable

Options outstanding and exercisable
Exercise price	Number outstanding	Weighted average remaining contractual life (years)	Weighted average exercise price	Aggregate intrinsic value
$12.00-13.02	34,870	1.58	$          12.00	$      1,914,712
$20.37-28.09	17,000	2.64	21.28	775,740
$33.18-41.73	77,139	4.05	41.07	1,993,600
	129,009	3.20	$          30.60	$      4,684,052

Digital Realty Trust, L.P. [Member]

Summary Of Incentive Award Plan's Stock Option

	Three months ended March 31, 2013
	Shares	Weighted average exercise price
Options outstanding, beginning of period	129,259	$              30.61
Exercised	(250)	33.18
Cancelled / Forfeited	-	-
Options outstanding, end of period	129,009	$              30.60
Exercisable, end of period	129,009	$              30.60

Summary Of Stock Options Outstanding And Exercisable

Options outstanding and exercisable
Exercise price	Number outstanding	Weighted average remaining contractual life (years)	Weighted average exercise price	Aggregate intrinsic value
$12.00-13.02	34,870	1.58	$          12.00	$      1,914,712
$20.37-28.09	17,000	2.64	21.28	775,740
$33.18-41.73	77,139	4.05	41.07	1,993,600
	129,009	3.20	$          30.60	$      4,684,052