Business Combinations - Narrative (Details) - USD ($) $ in Thousands		3 Months Ended	9 Months Ended
	Aug. 01, 2022	Sep. 30, 2023	Sep. 30, 2023	Dec. 31, 2022
Business Acquisition [Line Items]
Goodwill.		$ 8,998,074	$ 8,998,074	$ 9,208,497
Teraco
Business Acquisition [Line Items]
Percentage of interest acquired	61.10%
Total purchase consideration	$ 1,700,000
Goodwill.	$ 1,600,000
Period for right to sell all or a portion of interest to company, beginning on February 1, 2026 (in years)	2 years		2 years
Right to purchase all or a portion of the Remaining Teraco Interest from the Rollover Shareholders beginning on February 1, 2028 (in years)	1 year
Net loss associated with properties acquired		$ (3,000)	$ (9,900)
Adjustments made, net income attributable to Digital Realty Trust, Inc. to the extent the redemption value exceeds the fair value			$ 0
Teraco | Scenario
Business Acquisition [Line Items]
Percentage of interest acquired	55.00%
the Trust
Business Acquisition [Line Items]
Percentage of interest acquired	12.00%