Debt of the Operating Partnership - Unsecured Senior Notes (Details) - Digital Realty Trust, L.P. € in Thousands, £ in Thousands, SFr in Thousands	Nov. 12, 2024 USD ($)	Sep. 13, 2024 USD ($)	Sep. 13, 2024 EUR (€)	Dec. 31, 2024 USD ($)	Dec. 31, 2024 EUR (€)	Dec. 31, 2024 GBP (£)	Dec. 31, 2024 CHF (SFr)	Dec. 31, 2023 USD ($)
Debt of the Operating Partnership [Line Items]
Long-term debt, gross				$ 16,846,875,000				$ 17,537,652,000
Deferred financing costs				$ (101,364,000)
Unsecured senior notes
Debt of the Operating Partnership [Line Items]
Stated interest rate				4.25%	4.25%	4.25%	4.25%
Long-term debt, gross				$ 14,059,415,000				13,507,427,000
Unamortized discounts, net of premiums				(27,476,000)				(33,324,000)
Deferred financing costs				(69,087,000)				(51,761,000)
Total unsecured senior notes, net of discount and deferred financing costs				$ 13,962,852,000				13,422,342,000
Mortgage Loan For Westin Building
Debt of the Operating Partnership [Line Items]
Stated interest rate				3.29%	3.29%	3.29%	3.29%
Long-term debt, gross				$ 135,000,000
Unsecured Debt In Greece
Debt of the Operating Partnership [Line Items]
Long-term debt, gross				16,000,000
Secured and Other Debt
Debt of the Operating Partnership [Line Items]
Long-term debt, gross				$ 761,263,000				637,072,000
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				$ 677,040,000	€ 600,000
Long-term debt, gross								662,340,000
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%
Aggregate principal amount				$ 324,925,000		£ 250,000
Long-term debt, gross								318,275,000
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%
Aggregate principal amount				$ 634,480,000		£ 400,000
Long-term debt, gross				$ 500,640,000				509,240,000
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%
Aggregate principal amount				$ 720,980,000	€ 650,000
Long-term debt, gross				$ 673,010,000				717,535,000
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%
Aggregate principal amount				$ 1,224,640,000	€ 1,075,000
Long-term debt, gross				$ 1,113,055,000				1,186,693,000
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%
Aggregate principal amount				$ 298,404,000			SFr 275,000
Long-term debt, gross				$ 302,987,000				326,826,000
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%
Aggregate principal amount				$ 162,465,000			SFr 150,000
Long-term debt, gross				$ 165,265,000				178,269,000
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%
Aggregate principal amount				$ 1,000,000,000
Long-term debt, gross				$ 1,000,000,000				1,000,000,000
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%
Aggregate principal amount				$ 900,000,000
Long-term debt, gross				$ 900,000,000				900,000,000
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%
Aggregate principal amount				$ 548,550,000	€ 500,000
Long-term debt, gross				$ 517,700,000				551,950,000
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%
Aggregate principal amount				$ 650,000,000
Long-term debt, gross				$ 650,000,000				650,000,000
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%
Aggregate principal amount				$ 292,478,000			SFr 270,000
Long-term debt, gross				$ 297,478,000				320,884,000
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%
Aggregate principal amount				$ 900,000,000
Long-term debt, gross				$ 900,000,000				900,000,000
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%
Aggregate principal amount				$ 454,895,000		£ 350,000
Long-term debt, gross				$ 438,060,000				445,585,000
1.875% notes due 2029 | Unsecured senior notes
Debt of the Operating Partnership [Line Items]
Stated interest rate	1.875%			1.875%	1.875%	1.875%	1.875%
Aggregate principal amount	$ 1,150,000,000			$ 1,150,000,000
Long-term debt, gross				$ 1,150,000,000
Net proceeds from offering	$ 1,130,000,000
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%
Aggregate principal amount				$ 831,900,000	€ 750,000
Long-term debt, gross				$ 776,550,000				827,925,000
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%
Aggregate principal amount				$ 719,825,000		£ 550,000
Long-term debt, gross				$ 688,380,000				700,205,000
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%
Aggregate principal amount				$ 560,950,000	€ 500,000
Long-term debt, gross				$ 517,700,000				551,950,000
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%
Aggregate principal amount				$ 1,220,700,000	€ 1,000,000
Long-term debt, gross				$ 1,035,400,000				1,103,900,000
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%
Aggregate principal amount				$ 874,500,000	€ 750,000
Long-term debt, gross				$ 776,550,000				827,925,000
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%
Aggregate principal amount				$ 849,375,000	€ 750,000
Long-term debt, gross				$ 776,550,000				$ 827,925,000
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	$ 941,375,000	€ 850,000
Long-term debt, gross				$ 880,090,000
Net proceeds from offering		$ 933,000,000	€ 843,000
4.750% notes due 2025 | Unsecured senior notes
Debt of the Operating Partnership [Line Items]
Stated interest rate								4.75%