Debt of the Operating Partnership - Unsecured Senior Notes (Details) € in Thousands, £ in Thousands, SFr in Thousands, $ in Thousands	Dec. 31, 2022 USD ($)	Dec. 31, 2022 EUR (€)	Dec. 31, 2022 CHF (SFr)	Dec. 31, 2022 GBP (£)	Dec. 06, 2022 USD ($)	Sep. 27, 2022 USD ($)	Dec. 31, 2021 USD ($)
Debt of the Operating Partnership [Line Items]
Long-term Debt, Gross	$ 16,723,855						$ 13,562,240
Deferred financing costs	(89,772)
Unsecured senior notes
Debt of the Operating Partnership [Line Items]
Long-term Debt, Gross	13,220,961						13,000,042
Deferred financing costs	(63,648)
Digital Realty Trust, L.P. | Unsecured senior notes
Debt of the Operating Partnership [Line Items]
Long-term Debt, Gross	13,220,961						13,000,042
Unamortized discounts, net of premiums	(37,280)						(33,612)
Deferred financing costs	(63,648)						(63,060)
Total unsecured senior notes, net of discount and deferred financing costs	$ 13,120,033						12,903,370
Digital Realty Trust, L.P. | 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
Digital Realty Trust, L.P. | Unsecured Debt In Greece
Debt of the Operating Partnership [Line Items]
Stated interest rate	11.65%	11.65%	11.65%	11.65%
Long-term Debt, Gross	$ 8,000
Floating Rate Notes due 2022 | Digital Realty Trust, L.P. | Unsecured senior notes
Debt of the Operating Partnership [Line Items]
Aggregate principal amount	$ 349,800	€ 300,000
Long-term Debt, Gross							341,100
0.125% notes due 2022 | Digital Realty Trust, L.P. | Unsecured senior notes
Debt of the Operating Partnership [Line Items]
Stated interest rate	0.125%	0.125%	0.125%	0.125%
Aggregate principal amount	$ 332,760	€ 300,000
Long-term Debt, Gross							341,100
0.600% notes due 2023 | Digital Realty Trust, L.P. | 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	$ 108,121
2.625% notes due 2024 | Digital Realty Trust, L.P. | 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	$ 642,300						$ 682,200
2.750% notes due 2023 | Digital Realty Trust, L.P. | Unsecured senior notes
Debt of the Operating Partnership [Line Items]
Stated interest rate							2.75%
2.750% notes due 2024 | Digital Realty Trust, L.P. | 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			£ 250,000
Long-term Debt, Gross	$ 302,075						$ 338,300
4.250% notes due 2025 | Digital Realty Trust, L.P. | 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	$ 483,320						541,280
0.625% notes due 2025 | Digital Realty Trust, L.P. | 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	$ 695,825						739,050
4.750% Notes due 2025 | Digital Realty Trust, L.P. | Unsecured senior notes
Debt of the Operating Partnership [Line Items]
Stated interest rate	4.75%	4.75%	4.75%	4.75%
Aggregate principal amount	$ 450,000
Long-term Debt, Gross							450,000
2.500% notes due 2026 | Digital Realty Trust, L.P. | 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	$ 1,150,788						1,222,275
0.200% notes due 2026 | Digital Realty Trust, L.P. | 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	$ 297,331						301,419
1.700% notes due 2027 | Digital Realty Trust, L.P. | 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	162,181
3.700% notes due 2027 | Digital Realty Trust, L.P. | Unsecured senior notes
Debt of the Operating Partnership [Line Items]
Aggregate principal amount	1,000,000
Long-term Debt, Gross	$ 1,000,000						1,000,000
4.450% notes due 2028 | Digital Realty Trust, L.P. | 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
5.550% notes due 2028 | Digital Realty Trust, L.P. | Unsecured senior notes
Debt of the Operating Partnership [Line Items]
Stated interest rate	5.55%	5.55%	5.55%	5.55%	5.55%	5.55%
Aggregate principal amount	$ 900,000				$ 900,000	$ 900,000
Long-term Debt, Gross	$ 900,000
1.125% notes due 2028 | Digital Realty Trust, L.P. | 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	$ 535,250						568,500
0.550% notes due 2029 | Digital Realty Trust, L.P. | 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	$ 291,925						295,938
3.600% notes due 2029 | Digital Realty Trust, L.P. | 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 | Digital Realty Trust, L.P. | 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	$ 422,905						473,620
1.500% Notes due 2030 | Digital Realty Trust, L.P. | 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	$ 802,875						852,750
3.750% notes due 2030 | Digital Realty Trust, L.P. | 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	$ 664,565						744,260
1.250% Notes due 2031 | Digital Realty Trust, L.P. | 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	$ 535,250						568,500
0.625% notes due 2031 | Digital Realty Trust, L.P. | 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	$ 1,070,500						1,137,000
1.000% Notes due 2032 | Digital Realty Trust, L.P. | 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	$ 802,875						$ 852,750
1.375% notes due 2032 | Digital Realty Trust, L.P. | 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	$ 802,875
4.750% notes due 2025 | Digital Realty Trust, L.P. | Unsecured senior notes
Debt of the Operating Partnership [Line Items]
Stated interest rate	4.75%	4.75%	4.75%	4.75%