Earnings per Common Share or Unit - Summary of Basic and Diluted Earnings per Share and Unit (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		3 Months Ended		6 Months Ended	9 Months Ended	12 Months Ended
	Aug. 01, 2022	Sep. 30, 2023	Jun. 30, 2023	Jun. 30, 2023	Sep. 30, 2023	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Numerator:
Net income available to common stockholders						$ 561,766	$ 908,114	$ 336,960
Loss attributable to redeemable noncontrolling interest						(27,059)	(18,093)	(4,839)
Net income available to common stockholders - diluted EPS						$ 534,707	$ 890,021	$ 332,121
Denominator:
Weighted average units outstanding-basic (shares/units)						323,336	298,603	286,334
Potentially dilutive common shares/units:
Unvested incentive units (shares/units)						98	118	257
Unvested restricted stock (shares/units)						44	9	45
Forward equity offering (shares/units)							248
Market performance-based awards (units)						271	112	103
Redeemable noncontrolling interest shares (shares/units)						7,798	9,975	11,180
Weighted average shares/units outstanding-diluted (shares/units)						331,547	309,065	297,919
Income per unit:
Basic (in dollars per share)						$ 1.74	$ 3.04	$ 1.18
Diluted (in dollars per share)		$ 2.31	$ 0.34	$ 0.52	$ 2.87	$ 1.61	$ 2.88	$ 1.11
Teraco
Income per unit:
Period for right to sell all or a portion of interest to company, beginning on February 1, 2026 (in years)	2 years					2 years
Digital Realty Trust, L.P.
Numerator:
Net income available to common stockholders						$ 574,466	$ 928,824	$ 345,060
Loss attributable to redeemable noncontrolling interest						(27,059)	(18,093)	(4,839)
Net income available to common stockholders - diluted EPS						$ 547,407	$ 910,731	$ 340,221
Denominator:
Weighted average units outstanding-basic (shares/units)						329,485	304,651	292,123
Potentially dilutive common shares/units:
Unvested incentive units (shares/units)						98	118	257
Unvested restricted stock (shares/units)						44	9	45
Forward equity offering (shares/units)							248
Market performance-based awards (shares/units)						271	112	103
Redeemable noncontrolling interest shares (shares/units)						7,798	9,975	11,180
Weighted average shares/units outstanding-diluted (shares/units)						337,696	315,113	303,708
Income per unit:
Basic (in dollars per share)						$ 1.74	$ 3.05	$ 1.18
Diluted (in dollars per share)		$ 2.32	$ 0.34	$ 0.52	$ 2.88	$ 1.62	$ 2.89	$ 1.12