Equity and Capital - Summary of Activity For Noncontrolling Interests in The Operating Partnership (Details) shares in Thousands	6 Months Ended
	Jun. 30, 2024 shares
Common And Incentive Unit Activity [Roll Forward]
Beginning balance (units)	6,449
Conversion of incentive units held by employees and directors for shares of Digital Realty Trust, Inc. common stock (units)	(211)
Incentive units issued upon achievement of market performance condition (units)	72
Grant of incentive units to employees and directors (units)	154
Cancellation / forfeitures of incentive units held by employees and directors (units)	(4)
Ending balance (units)	6,460
Common Units
Common And Incentive Unit Activity [Roll Forward]
Beginning balance (units)	4,343
Conversion of incentive units held by employees and directors for shares of Digital Realty Trust, Inc. common stock (units)	(87)
Incentive units issued upon achievement of market performance condition (units)	0
Grant of incentive units to employees and directors (units)	0
Cancellation / forfeitures of incentive units held by employees and directors (units)	0
Ending balance (units)	4,256
Incentive Units
Common And Incentive Unit Activity [Roll Forward]
Beginning balance (units)	2,106
Conversion of incentive units held by employees and directors for shares of Digital Realty Trust, Inc. common stock (units)	(124)
Incentive units issued upon achievement of market performance condition (units)	72
Grant of incentive units to employees and directors (units)	154
Cancellation / forfeitures of incentive units held by employees and directors (units)	(4)
Ending balance (units)	2,204