Consolidated Statements Of Capital (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
Mar. 31, 2015
Balance (units)	135,626,255us-gaap_PartnersCapitalAccountUnits
Conversion of limited partner common units to general partner common units	$ 857
Amortization of unearned compensation on share-based awards	4,967us-gaap_AmortizationOfESOPAward
Net income	122,325us-gaap_ProfitLoss
Other comprehensive income—foreign currency translation adjustments	(45,843)
Other comprehensive loss—fair value of interest rate swaps	(2,417)
Other comprehensive income—reclassification of accumulated other comprehensive loss to interest expense	818
Balance (units)	135,793,668us-gaap_PartnersCapitalAccountUnits
Digital Realty Trust, L.P.
Balance as of December 31, 2014	3,914,238
Common unit offering costs	(148)
Issuance of common units in connection with the exercise of stock options	334
Amortization of unearned compensation on share-based awards	4,967
Distributions	(136,314)
Distributions to noncontrolling interests in consolidated joint ventures, net of contributions	(99)
Net income	122,325
Other comprehensive income—foreign currency translation adjustments	(45,843)
Other comprehensive loss—fair value of interest rate swaps	(2,417)
Other comprehensive income—reclassification of accumulated other comprehensive loss to interest expense	818
Balance as of March 31, 2015	3,857,861
Accumulated Other Comprehensive Income, net \| Digital Realty Trust, L.P.
Balance as of December 31, 2014	(48,433)
Other comprehensive income—foreign currency translation adjustments	(45,843)
Other comprehensive loss—fair value of interest rate swaps	(2,417)
Other comprehensive income—reclassification of accumulated other comprehensive loss to interest expense	818
Balance as of March 31, 2015	(95,875)
Noncontrolling Interests in Consolidated Joint Ventures \| Digital Realty Trust, L.P.
Balance as of December 31, 2014	6,791
Distributions to noncontrolling interests in consolidated joint ventures, net of contributions	(99)
Net income	116
Balance as of March 31, 2015	6,808
General Partner \| Preferred Units \| Digital Realty Trust, L.P.
Balance as of December 31, 2014	1,048,121
Balance (units)	43,400,000
Distributions	(18,455)
Net income	18,455
Balance as of March 31, 2015	1,048,121
Balance (units)	43,400,000
General Partner \| Common Units \| Digital Realty Trust, L.P.
Balance as of December 31, 2014	2,875,181
Balance (units)	135,626,255
Conversion of limited partner common units to general partner common units	857
Conversion of limited partner common units to general partner common units (units)	79,274
Issuance of unvested restricted common units, net of forfeitures (units)	80,138
Common unit offering costs	(148)
Issuance of common units in connection with the exercise of stock options	334
Issuance of common units in connection with the exercise of stock options (units)	8,001
Amortization of unearned compensation on share-based awards	4,967
Reclassification of vested share-based awards	(8,602)
Distributions	(115,419)
Net income	101,728
Balance as of March 31, 2015	2,858,898
Balance (units)	135,793,668
Limited Partners \| Common Units \| Digital Realty Trust, L.P.
Balance as of December 31, 2014	32,578
Balance (units)	3,013,661
Conversion of limited partner common units to general partner common units	(857)
Conversion of limited partner common units to general partner common units (units)	(79,274)
Issuance of common units, net of forfeitures (units)	(9,676)
Reclassification of vested share-based awards	8,602
Distributions	(2,440)
Net income	2,026
Balance as of March 31, 2015	$ 39,909
Balance (units)	2,924,711

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