Earnings per Common Share or Unit - Impact of Earnings Per Share (Details) - $ / shares	3 Months Ended			6 Months Ended		9 Months Ended	12 Months Ended
	Jun. 30, 2024	Sep. 30, 2023	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Sep. 30, 2023	Dec. 31, 2023
Diluted (in dollars per share)	$ 0.20	$ 2.31	$ 0.34	$ 1.01	$ 0.52	$ 2.87	$ 2.88
Digital Realty Trust, L.P.
Diluted (in dollars per share)	$ 0.20	2.32	0.34	$ 1.01	0.53	2.88	2.89
Previously Reported
Diluted (in dollars per share)		2.33	0.37		0.57	2.93	3.00
Previously Reported | Digital Realty Trust, L.P.
Diluted (in dollars per share)		$ 2.34	$ 0.37		$ 0.57	$ 2.94	$ 3.01