Debt of the Operating Partnership - Unsecured Senior Notes (Details) - Digital Realty Trust, L.P. € in Thousands, £ in Thousands, SFr in Thousands, $ in Thousands	Sep. 30, 2023 USD ($)	Sep. 30, 2023 EUR (€)	Sep. 30, 2023 CHF (SFr)	Sep. 30, 2023 GBP (£)	Dec. 31, 2022 USD ($)
Debt of the Operating Partnership [Line Items]
Long-term debt, gross	$ 16,987,674				$ 16,723,855
Deferred financing costs	(84,831)
Unsecured senior notes
Debt of the Operating Partnership [Line Items]
Long-term debt, gross	13,161,305				13,220,961
Unamortized discounts, net of premiums	(33,067)				(37,280)
Deferred financing costs	(56,136)				(63,648)
Total unsecured senior notes, net of discount and deferred financing costs	$ 13,072,102				13,120,033
0.600% notes due 2023 | Unsecured senior notes
Debt of the Operating Partnership [Line Items]
Stated interest rate	0.60%	0.60%	0.60%	0.60%
Aggregate principal amount	$ 108,310		SFr 100,000
Long-term debt, gross	$ 109,272				108,121
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	634,380				642,300
2.750% notes due 2023 | Unsecured senior notes
Debt of the Operating Partnership [Line Items]
Aggregate principal amount	324,925			£ 250,000
Long-term debt, gross	$ 304,975				302,075
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%
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			£ 400,000
Long-term debt, gross	$ 487,960				483,320
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	€ 650,000
Long-term debt, gross	$ 687,245				695,825
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	€ 1,075,000
Long-term debt, gross	$ 1,136,598				1,150,788
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		SFr 275,000
Long-term debt, gross	$ 300,498				297,331
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		SFr 150,000
Long-term debt, gross	$ 163,908				162,181
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
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%
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%
Aggregate principal amount	$ 548,550	€ 500,000
Long-term debt, gross	$ 528,650				535,250
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
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%
Aggregate principal amount	$ 292,478		SFr 270,000
Long-term debt, gross	$ 295,034				291,925
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
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%
Aggregate principal amount	$ 454,895			£ 350,000
Long-term debt, gross	$ 426,965				422,905
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	€ 750,000
Long-term debt, gross	$ 792,975				802,875
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			£ 550,000
Long-term debt, gross	$ 670,945				664,565
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	€ 500,000
Long-term debt, gross	$ 528,650				535,250
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	€ 1,000,000
Long-term debt, gross	$ 1,057,300				1,070,500
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	€ 750,000
Long-term debt, gross	$ 792,975				802,875
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	€ 750,000
Long-term debt, gross	$ 792,975				$ 802,875