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Debt of the Operating Partnership - Schedule of Debt Maturities And Principal Payments (Details) $ in Thousands, € in Millions	9 Months Ended
	Sep. 30, 2025 USD ($) Option	Sep. 30, 2024 USD ($)	Sep. 30, 2025 EUR (€)	Dec. 31, 2024 USD ($)
Debt Instrument
Repayments on secured / unsecured debt	$ 1,249,865	$ 1,616,353
Digital Realty Trust, L.P.
Debt Instrument
2025	216
2026	2,166,243
2027	1,432,478
2028	2,530,291
2029	4,051,658
Thereafter	8,189,198
Subtotal	18,370,084			$ 16,846,875
Unamortized net discounts	(45,293)
Unamortized deferred financing costs	(99,357)
Total	18,225,434
Repayments on secured / unsecured debt	1,249,865	$ 1,616,353
Digital Realty Trust, L.P. \| Global Revolving Credit Facilities
Debt Instrument
2029	1,173,283
Subtotal	1,173,283			1,637,922
Unamortized deferred financing costs	(21,241)
Total	$ 1,152,042
Number of extension option \| Option	2
Maturity extension option term	6 months
Percentage of extension fee	0.0625%		0.0625%
Digital Realty Trust, L.P. \| Unsecured Term Loans
Debt Instrument
2026	$ 440,025
Subtotal	440,025			388,275
Unamortized deferred financing costs	(1,092)
Total	438,933
Digital Realty Trust, L.P. \| Unsecured Senior Note
Debt Instrument
2026	1,606,710
2027	1,188,348
2028	2,136,700
2029	2,859,637
Thereafter	8,131,950
Subtotal	15,923,345			14,059,415
Unamortized net discounts	(41,302)
Unamortized deferred financing costs	(73,478)			$ (69,087)
Total	15,808,565
Digital Realty Trust, L.P. \| Secured and Other Debt
Debt Instrument
2025	216
2026	119,508
2027	244,130
2028	393,591
2029	18,738
Thereafter	57,248
Subtotal	833,431
Unamortized net discounts	(3,991)
Unamortized deferred financing costs	(3,546)
Total	$ 825,894
Digital Realty Trust, L.P. \| Euro term loan
Debt Instrument
Maturity extension option term	1 year
Percentage of extension fee	0.125%		0.125%
Aggregate principal amount \| €			€ 375.0