CONDENSED CONSOLIDATED INCOME STATEMENTS (unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Operating Revenues:
Total operating revenues	$ 992,995	$ 800,797	$ 1,816,332	$ 1,615,312
Operating Expenses:
Rental property operating and maintenance	332,647	252,032	598,355	506,986
Property taxes and insurance	48,441	44,923	94,111	85,229
Depreciation and amortization	349,165	290,562	640,622	602,048
General and administrative	94,291	52,983	157,829	106,442
Transactions and integration	15,618	4,210	72,419	6,704
Impairment of investments in real estate	0	0	0	5,351
Other	22	7,115	136	12,037
Total operating expenses	840,184	651,825	1,563,472	1,324,797
Operating income	152,811	148,972	252,860	290,515
Other Income (Expenses):
Equity in (loss) earnings of unconsolidated joint ventures	(7,632)	6,962	(86,628)	16,179
Gain on deconsolidation, net	0	0	0	67,497
Gain on disposition of properties, net	0	0	304,801	0
Interest and other income, net	22,163	16,980	18,621	38,424
Interest expense	(79,874)	(86,051)	(165,674)	(187,603)
Income tax expense	(11,490)	(4,634)	(18,672)	(8,900)
Loss from early extinguishment of debt	0	(20,905)	(632)	(33,791)
Net income	75,978	61,324	304,676	182,321
Net loss (income) attributable to noncontrolling interests	(1,147)	(1,156)	(5,831)	(5,341)
Net income attributable to Digital Realty Trust, Inc./Digital Realty Trust, L.P.	74,831	60,168	298,845	176,980
Preferred units distributions, including undeclared distributions	(21,155)	(16,670)	(42,310)	(37,613)
Issuance costs associated with redeemed preferred units	0	(11,760)	0	(11,760)
Net income available to common unitholders	$ 53,676	$ 31,738	$ 256,535	$ 127,607
Net income per unit available to common unitholders:
Basic (in dollars per share/unit)	$ 0.20	$ 0.15	$ 1.05	$ 0.61
Diluted (in dollars per share/unit)	$ 0.20	$ 0.15	$ 1.04	$ 0.61
Weighted average common units outstanding:
Basic (shares/units)	267,569,823	208,284,407	244,866,574	208,048,207
Diluted (shares/units)	270,744,408	209,435,572	247,576,014	208,894,294
Digital Realty Trust, L.P.
Operating Revenues:
Total operating revenues	$ 992,995	$ 800,797	$ 1,816,332	$ 1,615,312
Operating Expenses:
Rental property operating and maintenance	332,647	252,032	598,355	506,986
Property taxes and insurance	48,441	44,923	94,111	85,229
Depreciation and amortization	349,165	290,562	640,622	602,048
General and administrative	94,291	52,983	157,829	106,442
Transactions and integration	15,618	4,210	72,419	6,704
Impairment of investments in real estate	0	0	0	5,351
Other	22	7,115	136	12,037
Total operating expenses	840,184	651,825	1,563,472	1,324,797
Operating income	152,811	148,972	252,860	290,515
Other Income (Expenses):
Equity in (loss) earnings of unconsolidated joint ventures	(7,632)	6,962	(86,628)	16,179
Gain on deconsolidation, net	0	0	0	67,497
Gain on disposition of properties, net	0	0	304,801	0
Interest and other income, net	22,163	16,980	18,621	38,424
Interest expense	(79,874)	(86,051)	(165,674)	(187,603)
Income tax expense	(11,490)	(4,634)	(18,672)	(8,900)
Loss from early extinguishment of debt	0	(20,905)	(632)	(33,791)
Net income	75,978	61,324	304,676	182,321
Net loss (income) attributable to noncontrolling interests	253	244	3,369	359
Net income attributable to Digital Realty Trust, Inc./Digital Realty Trust, L.P.	76,231	61,568	308,045	182,680
Preferred units distributions, including undeclared distributions	(21,155)	(16,670)	(42,310)	(37,613)
Issuance costs associated with redeemed preferred units	0	(11,760)	0	(11,760)
Net income available to common unitholders	$ 55,076	$ 33,138	$ 265,735	$ 133,307
Net income per unit available to common unitholders:
Basic (in dollars per share/unit)	$ 0.20	$ 0.15	$ 1.05	$ 0.61
Diluted (in dollars per share/unit)	$ 0.20	$ 0.15	$ 1.04	$ 0.61
Weighted average common units outstanding:
Basic (shares/units)	275,544,524	217,346,153	252,995,033	217,193,571
Diluted (shares/units)	278,719,109	218,497,318	255,704,473	218,039,658
Rental and other services
Operating Revenues:
Total operating revenues	$ 987,675	$ 799,386	$ 1,807,747	$ 1,611,416
Rental and other services | Digital Realty Trust, L.P.
Operating Revenues:
Total operating revenues	987,675	799,386	1,807,747	1,611,416
Fee income and other
Operating Revenues:
Total operating revenues	5,320	1,411	8,585	3,896
Fee income and other | Digital Realty Trust, L.P.
Operating Revenues:
Total operating revenues	$ 5,320	$ 1,411	$ 8,585	$ 3,896