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Capital and Accumulated Other Comprehensive Income (Loss) (Schedule of Distributions) (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Oct. 08, 2015
Aug. 24, 2015
Mar. 26, 2014
Apr. 09, 2013
Sep. 15, 2011
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Feb. 26, 2013
Series D Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units           $ 0 $ 0 $ 0  
Shares issued upon conversion                 0.6360
Series D Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units           $ 0 0 0  
Common stock dividend per share amount (in dollars per share)           $ 1.375      
Shares issued upon conversion                 0.6360
Series E Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units           $ 20,124 $ 20,124 20,124  
Preferred stock, dividend rate         7.00% 7.00% 7.00%    
Shares issued upon conversion           0.8378      
Series E Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units           $ 20,124 $ 20,124 20,124  
Common stock dividend per share amount (in dollars per share)           $ 1.75      
Preferred stock, dividend rate         7.00% 7.00% 7.00%    
Series F Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units           $ 12,092 $ 12,092 12,092  
Preferred stock, dividend rate           6.625% 6.625%    
Shares issued upon conversion           0.6843      
Series F Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units           $ 12,092 $ 12,092 12,092  
Common stock dividend per share amount (in dollars per share)           $ 1.65625      
Preferred stock, dividend rate           6.625% 6.625%    
Series G Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units           $ 14,688 $ 14,688 10,689  
Preferred stock, dividend rate       5.875%   5.875% 5.875%    
Shares issued upon conversion           0.7532      
Series G Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units           $ 14,688 $ 14,688 10,689  
Common stock dividend per share amount (in dollars per share)           $ 1.46875      
Preferred stock, dividend rate       5.875%   5.875% 5.875%    
Series H Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units           $ 26,920 $ 20,564 0  
Preferred stock, dividend rate     7.375%     7.375% 7.375%    
Shares issued upon conversion           0.9632      
Series H Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units           $ 26,920 $ 20,564 0  
Common stock dividend per share amount (in dollars per share)           $ 1.84375      
Preferred stock, dividend rate           7.375% 7.375%    
Series I Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units           $ 5,600 $ 0 0  
Preferred stock, dividend rate   6.35%       6.35% 0.00%    
Shares issued upon conversion           0.76231      
Series I Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units           $ 5,600 $ 0 0  
Common stock dividend per share amount (in dollars per share)           $ 1.588      
Preferred stock, dividend rate 6.35%         6.35% 0.00%    
Common Units | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, common stock/units           $ 480,623 $ 454,414 $ 410,028  
Common stock dividend per share amount (in dollars per share)           $ 3.400 $ 3.320 $ 3.120  
Installment 1 Year One | Series D Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units               $ 0  
Installment 1 Year One | Series D Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units               0  
Installment 1 Year One | Series E Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units               5,031  
Installment 1 Year One | Series E Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units               5,031  
Installment 1 Year One | Series F Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units               3,023  
Installment 1 Year One | Series F Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units               3,023  
Installment 1 Year One | Series G Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units               0  
Installment 1 Year One | Series G Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units               0  
Installment 1 Year One | Series H Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units               0  
Installment 1 Year One | Series H Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units               0  
Installment 1 Year One | Series I Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units               0  
Installment 1 Year One | Series I Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units               0  
Installment 1 Year One | Common Units | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, common stock/units               102,506  
Installment 2 Year One | Series D Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units               0  
Installment 2 Year One | Series D Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units               0  
Installment 2 Year One | Series E Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units               5,031  
Installment 2 Year One | Series E Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units               5,031  
Installment 2 Year One | Series F Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units               3,023  
Installment 2 Year One | Series F Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units               3,023  
Installment 2 Year One | Series G Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units               3,345  
Installment 2 Year One | Series G Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units               3,345  
Installment 2 Year One | Series H Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units               0  
Installment 2 Year One | Series H Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units               0  
Installment 2 Year One | Series I Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units               0  
Installment 2 Year One | Series I Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units               0  
Installment 2 Year One | Common Units | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, common stock/units               102,507  
Installment 3 Year One | Series D Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units               0  
Installment 3 Year One | Series D Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units               0  
Installment 3 Year One | Series E Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units               5,031  
Installment 3 Year One | Series E Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units               5,031  
Installment 3 Year One | Series F Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units               3,023  
Installment 3 Year One | Series F Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units               3,023  
Installment 3 Year One | Series G Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units               3,672  
Installment 3 Year One | Series G Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units               3,672  
Installment 3 Year One | Series H Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units               0  
Installment 3 Year One | Series H Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units               0  
Installment 3 Year One | Series I Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units               0  
Installment 3 Year One | Series I Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units               0  
Installment 3 Year One | Common Units | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, common stock/units               102,506  
Installment 4 Year One | Series D Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units               0  
Installment 4 Year One | Series D Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units               0  
Installment 4 Year One | Series E Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units               5,031  
Installment 4 Year One | Series E Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units               5,031  
Installment 4 Year One | Series F Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units               3,023  
Installment 4 Year One | Series F Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units               3,023  
Installment 4 Year One | Series G Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units               3,672  
Installment 4 Year One | Series G Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units               3,672  
Installment 4 Year One | Series H Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units               0  
Installment 4 Year One | Series H Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units               0  
Installment 4 Year One | Series I Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units               0  
Installment 4 Year One | Series I Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units               0  
Installment 4 Year One | Common Units | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, common stock/units               $ 102,509  
Installment 1 Year Two | Series D Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units             $ 0    
Installment 1 Year Two | Series D Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units             0    
Installment 1 Year Two | Series E Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units             5,031    
Installment 1 Year Two | Series E Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units             5,031    
Installment 1 Year Two | Series F Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units             3,023    
Installment 1 Year Two | Series F Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units             3,023    
Installment 1 Year Two | Series G Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units             3,672    
Installment 1 Year Two | Series G Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units             3,672    
Installment 1 Year Two | Series H Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units             0    
Installment 1 Year Two | Series H Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units             0    
Installment 1 Year Two | Series I Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units             0    
Installment 1 Year Two | Series I Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units             0    
Installment 1 Year Two | Common Units | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, common stock/units             109,378    
Installment 2 Year Two | Series D Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units             0    
Installment 2 Year Two | Series D Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units             0    
Installment 2 Year Two | Series E Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units             5,031    
Installment 2 Year Two | Series E Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units             5,031    
Installment 2 Year Two | Series F Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units             3,023    
Installment 2 Year Two | Series F Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units             3,023    
Installment 2 Year Two | Series G Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units             3,672    
Installment 2 Year Two | Series G Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units             3,672    
Installment 2 Year Two | Series H Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units             7,104    
Installment 2 Year Two | Series H Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units             7,104    
Installment 2 Year Two | Series I Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units             0    
Installment 2 Year Two | Series I Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units             0    
Installment 2 Year Two | Common Units | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, common stock/units             115,008    
Installment 3 Year Two | Series D Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units             0    
Installment 3 Year Two | Series D Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units             0    
Installment 3 Year Two | Series E Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units             5,031    
Installment 3 Year Two | Series E Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units             5,031    
Installment 3 Year Two | Series F Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units             3,023    
Installment 3 Year Two | Series F Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units             3,023    
Installment 3 Year Two | Series G Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units             3,672    
Installment 3 Year Two | Series G Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units             3,672    
Installment 3 Year Two | Series H Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units             6,730    
Installment 3 Year Two | Series H Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units             6,730    
Installment 3 Year Two | Series I Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units             0    
Installment 3 Year Two | Series I Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units             0    
Installment 3 Year Two | Common Units | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, common stock/units             115,012    
Installment 4 Year Two | Series D Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units             0    
Installment 4 Year Two | Series D Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units             0    
Installment 4 Year Two | Series E Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units             5,031    
Installment 4 Year Two | Series E Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units             5,031    
Installment 4 Year Two | Series F Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units             3,023    
Installment 4 Year Two | Series F Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units             3,023    
Installment 4 Year Two | Series G Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units             3,672    
Installment 4 Year Two | Series G Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units             3,672    
Installment 4 Year Two | Series H Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units             6,730    
Installment 4 Year Two | Series H Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units             6,730    
Installment 4 Year Two | Series I Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units             0    
Installment 4 Year Two | Series I Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units             0    
Installment 4 Year Two | Common Units | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, common stock/units             $ 115,016    
Installment 1 Year Three | Series D Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units           $ 0      
Installment 1 Year Three | Series D Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units           0      
Installment 1 Year Three | Series E Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units           5,031      
Installment 1 Year Three | Series E Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units           5,031      
Installment 1 Year Three | Series F Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units           3,023      
Installment 1 Year Three | Series F Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units           3,023      
Installment 1 Year Three | Series G Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units           3,672      
Installment 1 Year Three | Series G Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units           3,672      
Installment 1 Year Three | Series H Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units           6,730      
Installment 1 Year Three | Series H Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units           6,730      
Installment 1 Year Three | Series I Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units           0      
Installment 1 Year Three | Series I Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units           0      
Installment 1 Year Three | Common Units | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, common stock/units           117,896      
Installment 2 Year Three | Series D Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units           0      
Installment 2 Year Three | Series D Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units           0      
Installment 2 Year Three | Series E Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units           5,031      
Installment 2 Year Three | Series E Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units           5,031      
Installment 2 Year Three | Series F Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units           3,023      
Installment 2 Year Three | Series F Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units           3,023      
Installment 2 Year Three | Series G Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units           3,672      
Installment 2 Year Three | Series G Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units           3,672      
Installment 2 Year Three | Series H Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units           6,730      
Installment 2 Year Three | Series H Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units           6,730      
Installment 2 Year Three | Series I Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units           0      
Installment 2 Year Three | Series I Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units           0      
Installment 2 Year Three | Common Units | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, common stock/units           117,938      
Installment 3 Year Three | Series D Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units           0      
Installment 3 Year Three | Series D Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units           0      
Installment 3 Year Three | Series E Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units           5,031      
Installment 3 Year Three | Series E Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units           5,031      
Installment 3 Year Three | Series F Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units           3,023      
Installment 3 Year Three | Series F Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units           3,023      
Installment 3 Year Three | Series G Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units           3,672      
Installment 3 Year Three | Series G Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units           3,672      
Installment 3 Year Three | Series H Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units           6,730      
Installment 3 Year Three | Series H Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units           6,730      
Installment 3 Year Three | Series I Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units           0      
Installment 3 Year Three | Series I Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units           0      
Installment 3 Year Three | Common Units | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, common stock/units           117,962      
Installment 4 Year Three | Series D Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units           0      
Installment 4 Year Three | Series D Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units           0      
Installment 4 Year Three | Series E Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units           5,031      
Installment 4 Year Three | Series E Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units           5,031      
Installment 4 Year Three | Series F Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units           3,023      
Installment 4 Year Three | Series F Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units           3,023      
Installment 4 Year Three | Series G Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units           3,672      
Installment 4 Year Three | Series G Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units           3,672      
Installment 4 Year Three | Series H Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units           6,730      
Installment 4 Year Three | Series H Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units           6,730      
Installment 4 Year Three | Series I Preferred Stock and Unit                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units           5,600      
Installment 4 Year Three | Series I Preferred Stock and Unit | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, preferred stock/units           5,600      
Installment 4 Year Three | Common Units | Digital Realty Trust, L.P.                  
Dividends Payable [Line Items]                  
Dividends/Distributions, common stock/units           $ 126,827