Earnings per Common Share or Unit - Summary of Basic and Diluted Earnings per Share and Unit (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended
	Aug. 01, 2022	Mar. 31, 2023	Mar. 31, 2022
Numerator:
Net income available to common stockholders		$ 58,545	$ 63,100
Plus: Loss attributable to redeemable noncontrolling interest		(2,320)
Net income available to common stockholders - diluted EPS		$ 60,865	$ 63,100
Denominator:
Weighted average units outstanding-basic (shares/units)		291,219	284,526
Potentially dilutive common shares/units:
Unvested incentive units (shares/units)		176,000	348,000
Unvested restricted stock (shares/units)		27,000	91,000
Market performance-based awards (shares/units)		1,000	60,000
Redeemable noncontrolling interest shares (shares/units)		11,644,000
Weighted average shares/units outstanding-diluted (shares/units)		303,065	285,025
Income Per Share [Abstract]
Basic		$ 0.20	$ 0.22
Diluted		$ 0.20	$ 0.22
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
Digital Realty Trust, L.P.
Numerator:
Net income available to common stockholders		$ 60,045	$ 64,700
Plus: Loss attributable to redeemable noncontrolling interest		(2,320)
Net income available to common stockholders - diluted EPS		$ 62,365	$ 64,700
Denominator:
Weighted average units outstanding-basic (shares/units)		297,180	290,163
Potentially dilutive common shares/units:
Unvested incentive units (shares/units)		176,000	348,000
Unvested restricted stock (shares/units)		27,000	91,000
Market performance-based awards (shares/units)		1,000	60,000
Redeemable noncontrolling interest shares (shares/units)		11,644,000
Weighted average shares/units outstanding-diluted (shares/units)		309,026	290,662
Income Per Share [Abstract]
Basic		$ 0.20	$ 0.22
Diluted		$ 0.20	$ 0.22