Debt of the Operating Partnership - Unsecured Senior Notes (Details) - Digital Realty Trust, L.P. € in Thousands, £ in Thousands, SFr in Thousands, $ in Thousands	Sep. 13, 2024 USD ($)	Sep. 13, 2024 EUR (€)	Sep. 30, 2024 USD ($)	Sep. 30, 2024 EUR (€)	Sep. 30, 2024 GBP (£)	Sep. 30, 2024 CHF (SFr)	Dec. 31, 2023 USD ($)
Debt of the Operating Partnership [Line Items]
Long-term debt, gross			$ 17,109,046				$ 17,537,652
Deferred financing costs			(87,856)
Unsecured senior notes
Debt of the Operating Partnership [Line Items]
Long-term debt, gross			13,610,252				13,507,427
Unamortized discounts, net of premiums			(30,652)				(33,324)
Deferred financing costs			(51,539)				(51,761)
Total unsecured senior notes, net of discount and deferred financing costs			13,528,061				13,422,342
Secured and Other Debt
Debt of the Operating Partnership [Line Items]
Long-term debt, gross			$ 766,304				637,072
2.625% notes due 2024 | Unsecured senior notes
Debt of the Operating Partnership [Line Items]
Stated interest rate			2.625%	2.625%	2.625%	2.625%
Aggregate principal amount			$ 677,040	€ 600,000
Long-term debt, gross							$ 662,340
2.750% notes due 2024 | Unsecured senior notes
Debt of the Operating Partnership [Line Items]
Stated interest rate			2.75%	2.75%	2.75%	2.75%	2.75%
Aggregate principal amount			$ 324,925		£ 250,000
Long-term debt, gross							$ 318,275
4.250% notes due 2025 | Unsecured senior notes
Debt of the Operating Partnership [Line Items]
Stated interest rate			4.25%	4.25%	4.25%	4.25%	4.25%
Aggregate principal amount			$ 634,480		£ 400,000
Long-term debt, gross			$ 535,000				$ 509,240
0.625% notes due 2025 | Unsecured senior notes
Debt of the Operating Partnership [Line Items]
Stated interest rate			0.625%	0.625%	0.625%	0.625%	0.625%
Aggregate principal amount			$ 720,980	€ 650,000
Long-term debt, gross			$ 723,775				$ 717,535
2.500% notes due 2026 | Unsecured senior notes
Debt of the Operating Partnership [Line Items]
Stated interest rate			2.50%	2.50%	2.50%	2.50%	2.50%
Aggregate principal amount			$ 1,224,640	€ 1,075,000
Long-term debt, gross			$ 1,197,013				$ 1,186,693
0.200% notes due 2026 | Unsecured senior notes
Debt of the Operating Partnership [Line Items]
Stated interest rate			0.20%	0.20%	0.20%	0.20%	0.20%
Aggregate principal amount			$ 298,404			SFr 275,000
Long-term debt, gross			$ 325,198				$ 326,826
1.700% notes due 2027 | Unsecured senior notes
Debt of the Operating Partnership [Line Items]
Stated interest rate			1.70%	1.70%	1.70%	1.70%	1.70%
Aggregate principal amount			$ 162,465			SFr 150,000
Long-term debt, gross			$ 177,381				$ 178,269
3.700% notes due 2027 | Unsecured senior notes
Debt of the Operating Partnership [Line Items]
Stated interest rate			3.70%	3.70%	3.70%	3.70%	3.70%
Aggregate principal amount			$ 1,000,000
Long-term debt, gross			$ 1,000,000				$ 1,000,000
5.550% notes due 2028 | Unsecured senior notes
Debt of the Operating Partnership [Line Items]
Stated interest rate			5.55%	5.55%	5.55%	5.55%	5.55%
Aggregate principal amount			$ 900,000
Long-term debt, gross			$ 900,000				$ 900,000
1.125% notes due 2028 | Unsecured senior notes
Debt of the Operating Partnership [Line Items]
Stated interest rate			1.125%	1.125%	1.125%	1.125%	1.125%
Aggregate principal amount			$ 548,550	€ 500,000
Long-term debt, gross			$ 556,750				$ 551,950
4.450% notes due 2028 | Unsecured senior notes
Debt of the Operating Partnership [Line Items]
Stated interest rate			4.45%	4.45%	4.45%	4.45%	4.45%
Aggregate principal amount			$ 650,000
Long-term debt, gross			$ 650,000				$ 650,000
0.550% notes due 2029 | Unsecured senior notes
Debt of the Operating Partnership [Line Items]
Stated interest rate			0.55%	0.55%	0.55%	0.55%	0.55%
Aggregate principal amount			$ 292,478			SFr 270,000
Long-term debt, gross			$ 319,285				$ 320,884
3.600% notes due 2029 | Unsecured senior notes
Debt of the Operating Partnership [Line Items]
Stated interest rate			3.60%	3.60%	3.60%	3.60%	3.60%
Aggregate principal amount			$ 900,000
Long-term debt, gross			$ 900,000				$ 900,000
3.300% notes due 2029 | Unsecured senior notes
Debt of the Operating Partnership [Line Items]
Stated interest rate			3.30%	3.30%	3.30%	3.30%	3.30%
Aggregate principal amount			$ 454,895		£ 350,000
Long-term debt, gross			$ 468,125				$ 445,585
1.500% notes due 2030 | Unsecured senior notes
Debt of the Operating Partnership [Line Items]
Stated interest rate			1.50%	1.50%	1.50%	1.50%	1.50%
Aggregate principal amount			$ 831,900	€ 750,000
Long-term debt, gross			$ 835,125				$ 827,925
3.750% notes due 2030 | Unsecured senior notes
Debt of the Operating Partnership [Line Items]
Stated interest rate			3.75%	3.75%	3.75%	3.75%	3.75%
Aggregate principal amount			$ 719,825		£ 550,000
Long-term debt, gross			$ 735,625				$ 700,205
1.250% notes due 2031 | Unsecured senior notes
Debt of the Operating Partnership [Line Items]
Stated interest rate			1.25%	1.25%	1.25%	1.25%	1.25%
Aggregate principal amount			$ 560,950	€ 500,000
Long-term debt, gross			$ 556,750				$ 551,950
0.625% notes due 2031 | Unsecured senior notes
Debt of the Operating Partnership [Line Items]
Stated interest rate			0.625%	0.625%	0.625%	0.625%	0.625%
Aggregate principal amount			$ 1,220,700	€ 1,000,000
Long-term debt, gross			$ 1,113,500				$ 1,103,900
1.000% notes due 2032 | Unsecured senior notes
Debt of the Operating Partnership [Line Items]
Stated interest rate			1.00%	1.00%	1.00%	1.00%	1.00%
Aggregate principal amount			$ 874,500	€ 750,000
Long-term debt, gross			$ 835,125				$ 827,925
1.375% notes due 2032 | Unsecured senior notes
Debt of the Operating Partnership [Line Items]
Stated interest rate			1.375%	1.375%	1.375%	1.375%	1.375%
Aggregate principal amount			$ 849,375	€ 750,000
Long-term debt, gross			$ 835,125				$ 827,925
3.875% notes due 2033 | Unsecured senior notes
Debt of the Operating Partnership [Line Items]
Stated interest rate		3.875%	3.875%	3.875%	3.875%	3.875%
Aggregate principal amount		€ 850,000	$ 941,375	€ 850,000
Long-term debt, gross			$ 946,475
Net proceeds from offering	$ 933,000	€ 843,000