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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 ($) | Dec. 31, 2021 USD ($)
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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% |  |  |

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