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		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Numerator:
Net income available to common stockholders	$ 41,012	$ 723,437	$ 382,378	$ 889,985
Loss attributable to redeemable noncontrolling interest	(9,918)	(3,032)	(22,432)	(9,851)
Net income available to common stockholders - diluted EPS	$ 31,094	$ 720,405	$ 359,946	$ 880,134
Denominator:
Weighted average units outstanding-basic (shares/units)	327,977	301,827	319,965	296,184
Potentially dilutive common shares/units:
Unvested incentive units (shares/units)	77	97	67	78
Unvested restricted stock (shares/units)	69	43	39	3
Forward equity offering (shares/units)		209		253
Market performance-based awards (shares/units)	228	166	285	90
Redeemable noncontrolling interest shares (shares/units)	7,898	8,999	8,285	10,127
Weighted average shares/units outstanding-diluted (shares/units)	336,249	311,341	328,641	306,735
Income per unit:
Basic (in dollars per share)	$ 0.13	$ 2.40	$ 1.20	$ 3.00
Diluted (in dollars per share)	$ 0.09	$ 2.31	$ 1.10	$ 2.87
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
Digital Realty Trust, L.P.
Numerator:
Net income available to common stockholders	$ 42,012	$ 739,737	$ 391,078	$ 910,285
Loss attributable to redeemable noncontrolling interest	(9,918)	(3,032)	(22,432)	(9,851)
Net income available to common stockholders - diluted EPS	$ 32,094	$ 736,705	$ 368,646	$ 900,434
Denominator:
Weighted average units outstanding-basic (shares/units)	334,103	308,024	326,154	302,316
Potentially dilutive common shares/units:
Unvested incentive units (shares/units)	77	97	67	78
Unvested restricted stock (shares/units)	69	43	39	3
Forward equity offering (shares/units)		209		253
Market performance-based awards (shares/units)	228	166	285	90
Redeemable noncontrolling interest shares (shares/units)	7,898	8,999	8,285	10,127
Weighted average shares/units outstanding-diluted (shares/units)	342,375	317,538	334,830	312,867
Income per unit:
Basic (in dollars per share)	$ 0.13	$ 2.40	$ 1.20	$ 3.01
Diluted (in dollars per share)	$ 0.09	$ 2.32	$ 1.10	$ 2.88