Debt Of The Operating Partnership (Schedule Of Debt Maturities And Principal Maturities) (Details) (Digital Realty Trust, L.P. [Member], USD $)				6 Months Ended
	Jun. 30, 2014		Dec. 31, 2013	Jun. 30, 2014 Global Revolving Credit Facility [Member] item		Jun. 30, 2014 Unsecured Term Loan [Member] item		Jun. 30, 2014 Prudential Shelf Facility [Member]	Dec. 31, 2013 Prudential Shelf Facility [Member]	Jun. 30, 2014 Senior Notes [Member]	Dec. 31, 2013 Senior Notes [Member]	Jun. 30, 2014 Mortgage Loans [Member]		Dec. 31, 2013 Mortgage Loans [Member]
Debt Instrument [Line Items]
Remainder of 2014	$ 173,806,000	[1]										$ 173,806,000	[1]
2015	517,493,000	[1]						67,000,000		375,000,000		75,493,000	[1]
2016	216,979,000	[1]						25,000,000				191,979,000	[1]
2017	1,567,866,000	[1]		374,641,000	[2]	1,034,830,000	[2]	50,000,000				108,395,000	[1]
2018	593,000	[1]										593,000	[1]
Thereafter	2,399,197,000	[1]								2,397,420,000		1,777,000	[1]
Subtotal	4,875,934,000	[1]		374,641,000	[2]	1,034,830,000	[2]	142,000,000	142,000,000	2,772,420,000		552,043,000	[1]
Unamortized discounts	(17,352,000)	[1]								(17,352,000)	(15,048,000)
Unamortized premium	653,000	[1]										653,000	[1]	2,359,000
Total Indebtedness	4,859,235,000	[1]	4,961,892,000	374,641,000	[2]	1,034,830,000	[2]	142,000,000		2,755,068,000		552,696,000	[1]
Number of extension options				2		2
Revolving credit facility commitments extension				6 months		6 months
Partial letter of credit												$ 38,200,000

[1] Our mortgage loans are generally non-recourse to us, subject to carve-outs for specified actions by us or specified undisclosed environmental liabilities. As of June 30, 2014, we provided partial letter of credit support with respect to approximately $38.2 million of the outstanding mortgage indebtedness (based on exchange rates as of June 30, 2014).

[2] Subject to two six-month extension options exercisable by us. The bank group is obligated to grant the extension options provided we give proper notice, we make certain representations and warranties and no default exists under the global revolving credit facility and the unsecured term loan, as applicable.