Debt of the Operating Partnership - Narrative (Details) £ in Thousands, $ in Thousands, € in Millions	3 Months Ended
	Mar. 31, 2023 EUR (€) Option	Mar. 31, 2022 USD ($)	Mar. 31, 2023 USD ($)	Mar. 31, 2023 GBP (£)
Unsecured term loans
Debt Instrument
Aggregate principal amount | €	€ 375.0
Number of extension option | Option	2
Unsecured senior notes | Digital Realty Trust, L.P. | Maximum
Debt Instrument
Leverage ratio	60.00%
Secured debt leverage ratio, maximum	40.00%
Unsecured senior notes | Digital Realty Trust, L.P. | Minimum
Debt Instrument
Interest coverage ratio	1.50
Total unencumbered assets	150.00%
Unsecured senior notes | 4.750% notes due 2025 | Digital Realty Trust, L.P.
Debt Instrument
Stated interest rate		4.75%
Early extinguishment charge | $		$ 51,100
Unsecured senior notes | 2.750% notes due 2023 | Digital Realty Trust, L.P.
Debt Instrument
Aggregate principal amount			$ 324,925	£ 250,000
Unsecured senior notes | 5.550% notes due 2028 | Digital Realty Trust, L.P.
Debt Instrument
Aggregate principal amount | $			$ 900,000
Stated interest rate	5.55%		5.55%	5.55%
Global revolving credit facilities
Debt Instrument
Number of extension option | Option	2