Earnings per Common Share or Unit - Summary of Basic and Diluted Earnings per Share and Unit (Details) - USD ($) $ / shares in Units, $ in Thousands		12 Months Ended
	Aug. 01, 2022	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Numerator:
Net income available to common stockholders		$ 336,960	$ 1,681,498	$ 263,342
Plus: Loss attributable to redeemable noncontrolling interest		(4,839)
Net income available to common stockholders - diluted EPS		$ 332,121	$ 1,681,498	$ 263,342
Denominator:
Weighted average units outstanding-basic (shares/units)		286,334	282,475	260,099
Potentially dilutive common shares/units:
Unvested incentive units (shares/units)		257	253	121
Unvested restricted stock (shares/units)		45	192	177
Forward equity offering (shares/units)				1,597
Market performance-based awards (units)		103	302	529
Redeemable noncontrolling interest shares (shares/units)		11,180
Weighted average shares/units outstanding-diluted (shares/units)		297,919	283,222	262,523
Income Per Share [Abstract]
Basic		$ 1.18	$ 5.95	$ 1.01
Diluted		$ 1.11	$ 5.94	$ 1.00
Teraco
Income Per Share [Abstract]
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		$ 345,060	$ 1,720,598	$ 272,842
Plus: Loss attributable to redeemable noncontrolling interest		(4,839)
Net income available to common stockholders - diluted EPS		$ 340,221	$ 1,720,598	$ 272,842
Denominator:
Weighted average units outstanding-basic (shares/units)		292,123,000	289,165,000	268,073,000
Potentially dilutive common shares/units:
Unvested incentive units (shares/units)		257,000	253,000	121,000
Unvested restricted stock (shares/units)		45,000	192,000	177,000
Forward equity offering (shares/units)				1,597,000
Market performance-based awards (shares/units)		103,000	302,000	529,000
Redeemable noncontrolling interest shares (shares/units)		11,180,000
Weighted average shares/units outstanding-diluted (shares/units)		303,708,000	289,912,000	270,497,000
Income Per Share [Abstract]
Basic		$ 1.18	$ 5.95	$ 1.02
Diluted		$ 1.12	$ 5.94	$ 1.01