Debt of the Operating Partnership - Narrative (Details) $ in Thousands, € in Millions, SFr in Millions, R$ in Billions						12 Months Ended
	Aug. 11, 2022 EUR (€) Option	Mar. 30, 2022 USD ($)	Mar. 30, 2022 CHF (SFr)	Jan. 18, 2022 USD ($)	Jan. 18, 2022 EUR (€)	Dec. 31, 2022 USD ($) item	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Jan. 24, 2023 USD ($)	Jan. 24, 2023 BRL (R$)	Dec. 06, 2022 USD ($)	Sep. 27, 2022 USD ($)	Sep. 09, 2022 EUR (€)	Apr. 05, 2022 USD ($)	Oct. 31, 2020	Aug. 31, 2020
Teraco Term Loan | Subsequent Event
Debt Instrument
Aggregate principal amount									$ 686,000	R$ 11.8
Unsecured term loans | 2025 Term Facility | Digital Dutch Finco B.V.
Debt Instrument
Aggregate principal amount | €	€ 375.0
Debt instrument term	3 years
Unsecured term loans | 2025-27 Term Facility | Digital Dutch Finco B.V.
Debt Instrument
Aggregate principal amount | €	€ 375.0
Debt instrument term	5 years
Number Of Extension Options | Option	2
Debt instrument, extension term	1 year
Interest rate basis spread	0.95%
Unsecured term loans | 2025-27 Term Facility | Digital Dutch Finco B.V. | Maximum
Debt Instrument
Interest rate basis spread	1.60%
Unsecured term loans | 2025-27 Term Facility | Digital Dutch Finco B.V. | Minimum
Debt Instrument
Interest rate basis spread	0.80%
Unsecured term loans | Initial Term Loan | Digital Dutch Finco B.V.
Debt Instrument
Aggregate principal amount | €	€ 125.0
Unsecured term loans | Delayed Draw Term Loan | Digital Dutch Finco B.V.
Debt Instrument
Aggregate principal amount | €													€ 250.0
Unsecured senior notes | Digital Realty Trust, L.P.
Debt Instrument
Early extinguishment charge								$ 103,200
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 | 4.750% notes due 2023 | Digital Realty Trust, L.P.
Debt Instrument
Stated interest rate															4.75%
Unsecured senior notes | 2.750% notes due 2023 | Digital Realty Trust, L.P.
Debt Instrument
Stated interest rate							2.75%
Early extinguishment charge							$ 18,300
Unsecured senior notes | 3.950% notes due 2022 | Digital Realty Trust, L.P.
Debt Instrument
Stated interest rate																3.95%
Unsecured senior notes | 3.625% notes due 2022 | Digital Realty Trust, L.P.
Debt Instrument
Stated interest rate																3.625%
Unsecured senior notes | 5.550% notes due 2028 | Digital Realty Trust, L.P.
Debt Instrument
Aggregate principal amount						$ 900,000					$ 900,000	$ 900,000
Stated interest rate						5.55%					5.55%	5.55%
Unsecured senior notes | 1.375% Guaranteed Notes due 2032
Debt Instrument
Aggregate principal amount | €					€ 750.0
Stated interest rate					1.375%
Net proceeds from offering				$ 835,300	€ 737.5
Unsecured senior notes | 0.600% Guaranteed Notes due 2023
Debt Instrument
Aggregate principal amount | SFr			SFr 100.0
Stated interest rate			0.60%
Unsecured senior notes | 1.700% Guaranteed Notes due 2027
Debt Instrument
Aggregate principal amount | SFr			SFr 150.0
Stated interest rate			1.70%
Unsecured senior notes | Swiss Franc Notes
Debt Instrument
Net proceeds from offering		$ 269,200	SFr 248.6
Global revolving credit facilities
Debt Instrument
Maximum borrowing capacity						$ 750,000	$ 3,000,000
Number Of Extension Options | item						2
Debt instrument, extension term						6 months
Interest rate basis spread						0.85%
Global Revolving Credit Facility Amendment
Debt Instrument
Maximum borrowing capacity														$ 3,750,000
Mortgage Loan For Westin Building | Digital Realty Trust, L.P.
Debt Instrument
Stated interest rate						3.29%
Unsecured Debt In Greece | Digital Realty Trust, L.P.
Debt Instrument
Stated interest rate						11.65%
Secured and other debt | Digital Realty Trust, L.P. | Maximum
Debt Instrument
Stated interest rate						11.65%
Secured and other debt | Digital Realty Trust, L.P. | Minimum
Debt Instrument
Stated interest rate						3.29%
Secured and other debt | Teraco Term Loan | Digital Realty Trust, L.P.
Debt Instrument
Aggregate principal amount						$ 288,800
Stated interest rate						8.52%