Earnings per Common Share or Unit - Impact of Earnings Per Share (Details) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Diluted (in dollars per share)	$ 0.09	$ 2.31	$ 1.10	$ 2.87
Digital Realty Trust, L.P.
Diluted (in dollars per share)	$ 0.09	$ 2.32	$ 1.10	$ 2.88