Condensed Consolidated Income Statements - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Operating Revenues:
Rental and other services	$ 603,833	$ 500,442	$ 1,792,457	$ 1,432,670
Tenant reimbursements	163,104	107,613	468,906	288,243
Fee income	1,469	1,662	4,945	4,986
Other	518	208	1,903	584
Total operating revenues	768,924	609,925	2,268,211	1,726,483
Operating Expenses:
Rental property operating and maintenance	245,971	190,061	701,933	534,116
Property taxes	34,871	32,586	97,418	87,666
Insurance	2,653	2,590	8,990	7,758
Depreciation and amortization	293,957	199,914	887,534	554,491
General and administrative	41,642	43,765	124,264	115,921
Transactions and integration	9,626	42,809	19,410	60,367
Impairment of investments in real estate	0	28,992	0	28,992
Other	1,139	3,051	1,722	3,075
Total operating expenses	629,859	543,768	1,841,271	1,392,386
Operating income	139,065	66,157	426,940	334,097
Other Income (Expenses):
Equity in earnings of unconsolidated joint ventures	8,886	5,880	23,734	19,592
Gain on sale of properties	26,577	9,750	80,042	9,608
Interest and other income (expense)	(981)	2,813	2,375	3,331
Interest expense	(80,851)	(71,621)	(236,646)	(184,653)
Tax expense	(2,432)	(2,494)	(7,927)	(7,356)
Gain from early extinguishment of debt	0	1,990	0	1,990
Net income	90,264	12,475	288,518	176,609
Net income attributable to noncontrolling interests	(2,667)	(40)	(8,831)	(1,985)
Net income attributable to Digital Realty Trust, Inc./Digital Realty Trust, L.P.	87,597	12,435	279,687	174,624
Preferred stock/unit dividends/distributions, including undeclared distributions	(20,329)	(16,575)	(60,987)	(48,473)
Issuance costs associated with redeemed preferred stock/units	0	0	0	(6,309)
Net income (loss) available to common stock/unitholders	$ 67,268	$ (4,140)	$ 218,700	$ 119,842
Net income (loss) per share/unit available to common stockholders/unitholders:
Basic (in dollars per share/unit)	$ 0.33	$ (0.02)	$ 1.06	$ 0.73
Diluted (in dollars per share/unit)	$ 0.33	$ (0.02)	$ 1.06	$ 0.73
Weighted average common shares/units outstanding:
Basic (shares/units)	206,118,472	170,194,254	205,931,031	163,481,306
Diluted (shares/units)	206,766,256	170,194,254	206,555,627	164,371,096
Digital Realty Trust, L.P.
Operating Revenues:
Rental and other services	$ 603,833	$ 500,442	$ 1,792,457	$ 1,432,670
Tenant reimbursements	163,104	107,613	468,906	288,243
Fee income	1,469	1,662	4,945	4,986
Other	518	208	1,903	584
Total operating revenues	768,924	609,925	2,268,211	1,726,483
Operating Expenses:
Rental property operating and maintenance	245,971	190,061	701,933	534,116
Property taxes	34,871	32,586	97,418	87,666
Insurance	2,653	2,590	8,990	7,758
Depreciation and amortization	293,957	199,914	887,534	554,491
General and administrative	41,642	43,765	124,264	115,921
Transactions and integration	9,626	42,809	19,410	60,367
Impairment of investments in real estate	0	28,992	0	28,992
Other	1,139	3,051	1,722	3,075
Total operating expenses	629,859	543,768	1,841,271	1,392,386
Operating income	139,065	66,157	426,940	334,097
Other Income (Expenses):
Equity in earnings of unconsolidated joint ventures	8,886	5,880	23,734	19,592
Gain on sale of properties	26,577	9,750	80,042	9,608
Interest and other income (expense)	(981)	2,813	2,375	3,331
Interest expense	(80,851)	(71,621)	(236,646)	(184,653)
Tax expense	(2,432)	(2,494)	(7,927)	(7,356)
Gain from early extinguishment of debt	0	1,990	0	1,990
Net income	90,264	12,475	288,518	176,609
Net income attributable to noncontrolling interests	33	(119)	49	(353)
Net income attributable to Digital Realty Trust, Inc./Digital Realty Trust, L.P.	90,297	12,356	288,567	176,256
Preferred stock/unit dividends/distributions, including undeclared distributions	(20,329)	(16,575)	(60,987)	(48,473)
Issuance costs associated with redeemed preferred stock/units	0	0	0	(6,309)
Net income (loss) available to common stock/unitholders	$ 69,968	$ (4,219)	$ 227,580	$ 121,474
Net income (loss) per share/unit available to common stockholders/unitholders:
Basic (in dollars per share/unit)	$ 0.33	$ (0.02)	$ 1.06	$ 0.73
Diluted (in dollars per share/unit)	$ 0.33	$ (0.02)	$ 1.06	$ 0.73
Weighted average common shares/units outstanding:
Basic (shares/units)	214,289,384	173,460,704	214,199,414	166,048,072
Diluted (shares/units)	214,937,168	173,460,704	214,824,010	166,937,862