Debt of the Company	12 Months Ended
Dec. 31, 2018
Debt Disclosure [Abstract]
Debt of the Company	Debt of the Company In this Note 7, the “Company” refers only to Digital Realty Trust, Inc. and not to any of its subsidiaries. The Company itself does not have any indebtedness. All debt is held directly or indirectly by the Operating Partnership. Guarantee of Debt The Company guarantees the Operating Partnership’s obligations with respect to its 5.875% notes due 2020 (5.875% 2020 Notes), 3.400% notes due 2020 (3.400% 2020 Notes), 5.250% notes due 2021 (2021 Notes), 3.950% notes due 2022 (3.950% 2022 Notes), 3.625% notes due 2022 (3.625% 2022 Notes), 2.750% notes due 2023 (2.750% 2023 Notes), 4.750% notes due 2025 (4.750% 2025 Notes), 3.700% notes due 2027 (2027 Notes) and 4.450% notes due 2028 (2028 Notes). The Company and the Operating Partnership guarantee the obligations of Digital Stout Holding, LLC, a wholly owned subsidiary of the Operating Partnership, with respect to its 4.750% notes due 2023 (4.750% 2023 Notes), 2.750% notes due 2024 (2.750% 2024 Notes), 4.250% notes due 2025 (4.250% 2025 Notes), 3.300% notes due 2029 (2029 Notes) and 3.750% notes due 2030 (2030 Notes) and the obligations of Digital Euro Finco, LLC, a wholly owned subsidiary of the Operating Partnership, with respect to its 2.625% notes due 2024 (2.625% 2024 Notes) and Floating Rate Guaranteed Notes due 2019 (2019 Notes). The Company is also the guarantor of the Operating Partnership’s and its subsidiary borrowers’ obligations under the global revolving credit facilities and unsecured term loans.

Debt of the Company

In this Note 7, the “Company” refers only to Digital Realty Trust, Inc. and not to any of its subsidiaries.

The Company itself does not have any indebtedness. All debt is held directly or indirectly by the Operating Partnership.

Guarantee of Debt

The Company guarantees the Operating Partnership’s obligations with respect to its 5.875% notes due 2020 (5.875% 2020 Notes), 3.400% notes due 2020 (3.400% 2020 Notes), 5.250% notes due 2021 (2021 Notes), 3.950% notes due 2022 (3.950% 2022 Notes), 3.625% notes due 2022 (3.625% 2022 Notes), 2.750% notes due 2023 (2.750% 2023 Notes), 4.750% notes due 2025 (4.750% 2025 Notes), 3.700% notes due 2027 (2027 Notes) and 4.450% notes due 2028 (2028 Notes). The Company and the Operating Partnership guarantee the obligations of Digital Stout Holding, LLC, a wholly owned subsidiary of the Operating Partnership, with respect to its 4.750% notes due 2023 (4.750% 2023 Notes), 2.750% notes due 2024 (2.750% 2024 Notes), 4.250% notes due 2025 (4.250% 2025 Notes), 3.300% notes due 2029 (2029 Notes) and 3.750% notes due 2030 (2030 Notes) and the obligations of Digital Euro Finco, LLC, a wholly owned subsidiary of the Operating Partnership, with respect to its 2.625% notes due 2024 (2.625% 2024 Notes) and Floating Rate Guaranteed Notes due 2019 (2019 Notes). The Company is also the guarantor of the Operating Partnership’s and its subsidiary borrowers’ obligations under the global revolving credit facilities and unsecured term loans.