Capital And Accumulated Other Comprehensive Income (Loss) (Schedule Of Accumulated Other Comprehensive Income (Loss)) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss, net, Beginning balance	$ (12,191)	$ (55,880)
Net current period change	16,744	39,296
Reclassification to interest expense from interest rate swaps	6,138	4,393
Accumulated other comprehensive loss, net, Ending balance	10,691	(12,191)
Digital Realty Trust, L.P. [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss, net, Beginning balance	(14,910)	(60,067)
Net current period change	17,109	40,610
Reclassification to interest expense from interest rate swaps	6,258	4,547
Accumulated other comprehensive loss, net, Ending balance	8,457	(14,910)
Foreign Currency Translation Adjustments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss, net, Beginning balance	(2,576)	(49,298)
Net current period change	14,321	46,722
Accumulated other comprehensive loss, net, Ending balance	11,745	(2,576)
Foreign Currency Translation Adjustments [Member] | Digital Realty Trust, L.P. [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss, net, Beginning balance	(4,401)	(52,704)
Net current period change	14,636	48,303
Accumulated other comprehensive loss, net, Ending balance	10,235	(4,401)
Cash Flow Hedge Adjustments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss, net, Beginning balance	(9,615)	(6,582)
Net current period change	2,423	(7,426)
Reclassification to interest expense from interest rate swaps	6,138	4,393
Accumulated other comprehensive loss, net, Ending balance	(1,054)	(9,615)
Cash Flow Hedge Adjustments [Member] | Digital Realty Trust, L.P. [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss, net, Beginning balance	(10,509)	(7,363)
Net current period change	2,473	(7,693)
Reclassification to interest expense from interest rate swaps	6,258	4,547
Accumulated other comprehensive loss, net, Ending balance	$ (1,778)	$ (10,509)