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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 ($)
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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 |  |  |  |  |

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