Equity and Capital - Schedule of Dividends and Distributions (Details) $ / shares in Units, $ in Thousands	9 Months Ended
Sep. 30, 2026 USD ($) $ / shares
Series J Preferred Units
Equity and Capital
Dividends/Distributions, preferred units	$ 7,875
Preferred stock dividend per share amount (in dollars per share/unit) \| $ / shares	$ 1.3125
Series K Preferred Units
Equity and Capital
Dividends/Distributions, preferred units	$ 9,213
Preferred stock dividend per share amount (in dollars per share/unit) \| $ / shares	$ 1.4625
Series L Preferred Units
Equity and Capital
Dividends/Distributions, preferred units	$ 13,455
Preferred stock dividend per share amount (in dollars per share/unit) \| $ / shares	$ 1.3
Common Units
Equity and Capital
Dividends/Distributions, common units	$ 1,318,942
Common stock dividend per share amount (in dollars per share/unit) \| $ / shares	$ 4.88
O 2026 Q1 Dividends
Equity and Capital
Date Declared	Feb. 19, 2026
Date to be Paid	Mar. 31, 2026
O 2026 Q1 Dividends \| Series J Preferred Units
Equity and Capital
Dividends/Distributions, preferred units	$ 2,625
O 2026 Q1 Dividends \| Series K Preferred Units
Equity and Capital
Dividends/Distributions, preferred units	3,071
O 2026 Q1 Dividends \| Series L Preferred Units
Equity and Capital
Dividends/Distributions, preferred units	4,485
O 2026 Q1 Dividends \| Common Units
Equity and Capital
Dividends/Distributions, common units	$ 425,047
O 2026 Q2 Dividends
Equity and Capital
Date Declared	May 12, 2026
Date to be Paid	Jun. 30, 2026
O 2026 Q2 Dividends \| Series J Preferred Units
Equity and Capital
Dividends/Distributions, preferred units	$ 2,625
O 2026 Q2 Dividends \| Series K Preferred Units
Equity and Capital
Dividends/Distributions, preferred units	3,071
O 2026 Q2 Dividends \| Series L Preferred Units
Equity and Capital
Dividends/Distributions, preferred units	4,485
O 2026 Q2 Dividends \| Common Units
Equity and Capital
Dividends/Distributions, common units	$ 435,908
O 2026 Q3 Dividends
Equity and Capital
Date Declared	Aug. 11, 2026
Date to be Paid	Sep. 30, 2026
O 2026 Q3 Dividends \| Series J Preferred Units
Equity and Capital
Dividends/Distributions, preferred units	$ 2,625
O 2026 Q3 Dividends \| Series K Preferred Units
Equity and Capital
Dividends/Distributions, preferred units	3,071
O 2026 Q3 Dividends \| Series L Preferred Units
Equity and Capital
Dividends/Distributions, preferred units	4,485
O 2026 Q3 Dividends \| Common Units
Equity and Capital
Dividends/Distributions, common units	457,987
Digital Realty Trust, L.P. \| Series J Preferred Units
Equity and Capital
Dividends/Distributions, preferred units	$ 7,875
Preferred stock dividend per share amount (in dollars per share/unit) \| $ / shares	$ 1.3125
Digital Realty Trust, L.P. \| Series K Preferred Units
Equity and Capital
Dividends/Distributions, preferred units	$ 9,213
Preferred stock dividend per share amount (in dollars per share/unit) \| $ / shares	$ 1.4625
Digital Realty Trust, L.P. \| Series L Preferred Units
Equity and Capital
Dividends/Distributions, preferred units	$ 13,455
Preferred stock dividend per share amount (in dollars per share/unit) \| $ / shares	$ 1.3
Digital Realty Trust, L.P. \| Common Units
Equity and Capital
Dividends/Distributions, common units	$ 1,343,246
Common stock dividend per share amount (in dollars per share/unit) \| $ / shares	$ 4.88
Digital Realty Trust, L.P. \| O 2026 Q1 Dividends
Equity and Capital
Date Declared	Feb. 19, 2026
Date to be Paid	Mar. 31, 2026
Digital Realty Trust, L.P. \| O 2026 Q1 Dividends \| Series J Preferred Units
Equity and Capital
Dividends/Distributions, preferred units	$ 2,625
Digital Realty Trust, L.P. \| O 2026 Q1 Dividends \| Series K Preferred Units
Equity and Capital
Dividends/Distributions, preferred units	3,071
Digital Realty Trust, L.P. \| O 2026 Q1 Dividends \| Series L Preferred Units
Equity and Capital
Dividends/Distributions, preferred units	4,485
Digital Realty Trust, L.P. \| O 2026 Q1 Dividends \| Common Units
Equity and Capital
Dividends/Distributions, common units	$ 432,840
Digital Realty Trust, L.P. \| O 2026 Q2 Dividends
Equity and Capital
Date Declared	May 12, 2026
Date to be Paid	Jun. 30, 2026
Digital Realty Trust, L.P. \| O 2026 Q2 Dividends \| Series J Preferred Units
Equity and Capital
Dividends/Distributions, preferred units	$ 2,625
Digital Realty Trust, L.P. \| O 2026 Q2 Dividends \| Series K Preferred Units
Equity and Capital
Dividends/Distributions, preferred units	3,071
Digital Realty Trust, L.P. \| O 2026 Q2 Dividends \| Series L Preferred Units
Equity and Capital
Dividends/Distributions, preferred units	4,485
Digital Realty Trust, L.P. \| O 2026 Q2 Dividends \| Common Units
Equity and Capital
Dividends/Distributions, common units	$ 444,195
Digital Realty Trust, L.P. \| O 2026 Q3 Dividends
Equity and Capital
Date Declared	Aug. 11, 2026
Date to be Paid	Sep. 30, 2026
Digital Realty Trust, L.P. \| O 2026 Q3 Dividends \| Series J Preferred Units
Equity and Capital
Dividends/Distributions, preferred units	$ 2,625
Digital Realty Trust, L.P. \| O 2026 Q3 Dividends \| Series K Preferred Units
Equity and Capital
Dividends/Distributions, preferred units	3,071
Digital Realty Trust, L.P. \| O 2026 Q3 Dividends \| Series L Preferred Units
Equity and Capital
Dividends/Distributions, preferred units	4,485
Digital Realty Trust, L.P. \| O 2026 Q3 Dividends \| Common Units
Equity and Capital
Dividends/Distributions, common units	$ 466,211

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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