Investments In Real Estate (Tables)

9 Months Ended

Sep. 30, 2012

Business Acquisition [Line Items]

Schedule Of Real Estate Property Acquisitions

Location	Metropolitan Area	Date Acquired	Amount (in millions)
Convergence Business Park (1)	Dallas, Texas	February 22, 2012	$              123.0
9333, 9355, 9377 Grand Avenue (2)	Chicago, Illinois	May 10, 2012	22.3
8025 North Interstate 35 (3)	Austin, Texas	May 18, 2012	12.5
400 S. Akard Street	Dallas, Texas	June 13, 2012	75.0
Sentrum Portfolio (4)	London, England	July 11, 2012	1,138.6
11900 East Cornell Avenue	Denver, Colorado	September 14, 2012	90.8
			$           1,462.2

(1) Convergence Business Park is comprised of nine buildings along with undeveloped land. It is considered one property for our property count.

(2) 9333, 9355, 9377 Grand Avenue is comprised of three buildings. It is considered one property for our property count.

(3) In connection with the acquisition, we assumed a $6.7 million secured mortgage loan.

(4)    On July 11, 2012, we completed the acquisition of a three-property data center portfolio, totaling approximately 733,000 square feet, located in the greater London area, referred to as the Sentrum Portfolio. The purchase price was £734.6 million (equivalent to approximately $1.1 billion based on the July 11, 2012 exchange rate of £1.00 to $1.55), which includes an £18.7 million (equivalent to approximately $29.0 million based on the July 11, 2012 exchange rate of £1.00 to $1.55) adjustment in the purchase price to reflect amounts associated with the early repayment of property debt.  In addition, non-cash consideration of £56.5 million (or $87.6 million based on the July 11, 2012 exchange rate of £1.00 to $1.55) was recorded as the expected fair value of contingent consideration as required by prevailing accounting guidance.  There was also a non-cash purchase adjustment related to deferred taxes, which amounted to £68.6 million (or $106.3 million based on the July 11, 2012 exchange rate of £1.00 to $1.55).  The purchase price was paid in cash funded with proceeds from our common stock offering in July 2012 along with borrowings under our global revolving credit facility.

Summary Of Acquired Intangible Assets And Liabilities Expected Weighted Average Useful Lives

	Balance as of
(Amounts in thousands)	September 30, 2012			December 31, 2011
Acquired in place lease value:
Gross amount	$	708,968		$	545,409
Accumulated amortization		(351,596	)		(312,499	)
Net	$	357,372		$	232,910
Acquired above-market lease value:
Gross amount	$	134,079		$	87,800
Accumulated amortization		(65,810	)		(58,099	)
Net	$	68,269		$	29,701
Acquired below-market lease value:
Gross amount	$	283,543		$	201,275
Accumulated amortization		(130,667	)		(115,456	)
Net	$	152,876		$	85,819

Schedule Of Pro Forma Operating Revenues And Operating Income

	Three months ended				Nine months ended
	Operating Revenues		Operating Income		Operating Revenues		Operating Income
	(in millions)				(in millions)
Supplemental pro forma for the periods ended September 30, 2012(1)	$	345.9	$	98.4	$	995.9	$	297.8
Supplemental pro forma for the periods ended September 30, 2011(1)		305.4		84.1		887.1		260.5

⁽¹⁾ These unaudited pro forma results do not purport to be indicative of what operating results would have been had the acquisition occurred on January 1, 2011, and may not be indicative of future operating results. The pro forma results exclude transaction expenses.

Digital Realty Trust, L.P. [Member]

Business Acquisition [Line Items]

Schedule Of Real Estate Property Acquisitions

Location	Metropolitan Area	Date Acquired	Amount (in millions)
Convergence Business Park (1)	Dallas, Texas	February 22, 2012	$              123.0
9333, 9355, 9377 Grand Avenue (2)	Chicago, Illinois	May 10, 2012	22.3
8025 North Interstate 35 (3)	Austin, Texas	May 18, 2012	12.5
400 S. Akard Street	Dallas, Texas	June 13, 2012	75.0
Sentrum Portfolio (4)	London, England	July 11, 2012	1,138.6
11900 East Cornell Avenue	Denver, Colorado	September 14, 2012	90.8
			$           1,462.2

(1) Convergence Business Park is comprised of nine buildings along with undeveloped land. It is considered one property for our property count.

(2) 9333, 9355, 9377 Grand Avenue is comprised of three buildings. It is considered one property for our property count.

(3) In connection with the acquisition, we assumed a $6.7 million secured mortgage loan.

(4)    On July 11, 2012, we completed the acquisition of a three-property data center portfolio, totaling approximately 733,000 square feet, located in the greater London area, referred to as the Sentrum Portfolio. The purchase price was £734.6 million (equivalent to approximately $1.1 billion based on the July 11, 2012 exchange rate of £1.00 to $1.55), which includes an £18.7 million (equivalent to approximately $29.0 million based on the July 11, 2012 exchange rate of £1.00 to $1.55) adjustment in the purchase price to reflect amounts associated with the early repayment of property debt.  In addition, non-cash consideration of £56.5 million (or $87.6 million based on the July 11, 2012 exchange rate of £1.00 to $1.55) was recorded as the expected fair value of contingent consideration as required by prevailing accounting guidance.  There was also a non-cash purchase adjustment related to deferred taxes, which amounted to £68.6 million (or $106.3 million based on the July 11, 2012 exchange rate of £1.00 to $1.55).  The purchase price was paid in cash funded with proceeds from our common stock offering in July 2012 along with borrowings under our global revolving credit facility.

Summary Of Acquired Intangible Assets And Liabilities Expected Weighted Average Useful Lives

	Balance as of
(Amounts in thousands)	September 30, 2012			December 31, 2011
Acquired in place lease value:
Gross amount	$	708,968		$	545,409
Accumulated amortization		(351,596	)		(312,499	)
Net	$	357,372		$	232,910
Acquired above-market lease value:
Gross amount	$	134,079		$	87,800
Accumulated amortization		(65,810	)		(58,099	)
Net	$	68,269		$	29,701
Acquired below-market lease value:
Gross amount	$	283,543		$	201,275
Accumulated amortization		(130,667	)		(115,456	)
Net	$	152,876		$	85,819

Schedule Of Pro Forma Operating Revenues And Operating Income

	Three months ended				Nine months ended
	Operating Revenues		Operating Income		Operating Revenues		Operating Income
	(in millions)				(in millions)
Supplemental pro forma for the periods ended September 30, 2012(1)	$	345.9	$	98.4	$	995.9	$	297.8
Supplemental pro forma for the periods ended September 30, 2011(1)		305.4		84.1		887.1		260.5

⁽¹⁾ These unaudited pro forma results do not purport to be indicative of what operating results would have been had the acquisition occurred on January 1, 2011, and may not be indicative of future operating results. The pro forma results exclude transaction expenses.

Sentrum Portfolio [Member]

Business Acquisition [Line Items]

Summary Of Acquired Intangible Assets And Liabilities Expected Weighted Average Useful Lives

	Sentrum Portfolio
Acquired in place lease value		11.5 years
Acquired above market leases		7.3 years
Acquired below market leases		11.0 years

Sentrum Portfolio [Member] | Digital Realty Trust, L.P. [Member]

Business Acquisition [Line Items]

Summary Of Acquired Intangible Assets And Liabilities Expected Weighted Average Useful Lives

	Sentrum Portfolio
Acquired in place lease value		11.5 years
Acquired above market leases		7.3 years
Acquired below market leases		11.0 years