Fair Value Of Instruments (Tables)

3 Months Ended

Mar. 31, 2014

Estimated Fair Value And Carrying Amounts

		As of March 31, 2014		As of December 31, 2013
	Categorization under the fair value hierarchy	Estimated Fair Value	Carrying Value	Estimated Fair Value	Carrying Value
Global revolving credit facility (1)	Level 2	$                  790,500	$          790,500	$                  724,668	$          724,668
Unsecured term loan (2)	Level 2	1,026,891	1,026,891	1,020,984	1,020,984
Unsecured senior notes (3)(4)	Level 2	2,422,322	2,368,848	2,379,999	2,364,232
Exchangeable senior debentures (3)	Level 2	363,846	266,400	336,847	266,400
Mortgage loans (3)	Level 2	589,378	554,742	622,580	585,608
		$               5,192,937	$       5,007,381	$               5,085,078	$       4,961,892

(1) The carrying value of our global revolving credit facility approximates estimated fair value, due to the variability of interest rates and the stability of our credit rating.

(2) The carrying value of our unsecured term loan approximates estimated fair value, due to the variability of interest rates and the stability of our credit rating.

(3) Valuations for our unsecured senior notes and mortgage loans are determined based on the expected future payments discounted at risk-adjusted rates. The 2015 Notes, 2020 Notes, 2021 Notes, 2022 Notes and 2025 Notes and exchangeable senior debentures are valued based on quoted market prices.

(4) The carrying value of the 2015 Notes, 2020 Notes, 2021 Notes, 2022 Notes and 2025 Notes are net of discount of $14,632 and $15,047 in the aggregate as of March 31, 2014 and December 31, 2013, respectively.

Digital Realty Trust, L.P. [Member]

Estimated Fair Value And Carrying Amounts

		As of March 31, 2014		As of December 31, 2013
	Categorization under the fair value hierarchy	Estimated Fair Value	Carrying Value	Estimated Fair Value	Carrying Value
Global revolving credit facility (1)	Level 2	$                  790,500	$          790,500	$                  724,668	$          724,668
Unsecured term loan (2)	Level 2	1,026,891	1,026,891	1,020,984	1,020,984
Unsecured senior notes (3)(4)	Level 2	2,422,322	2,368,848	2,379,999	2,364,232
Exchangeable senior debentures (3)	Level 2	363,846	266,400	336,847	266,400
Mortgage loans (3)	Level 2	589,378	554,742	622,580	585,608
		$               5,192,937	$       5,007,381	$               5,085,078	$       4,961,892

(1) The carrying value of our global revolving credit facility approximates estimated fair value, due to the variability of interest rates and the stability of our credit rating.

(2) The carrying value of our unsecured term loan approximates estimated fair value, due to the variability of interest rates and the stability of our credit rating.

(3) Valuations for our unsecured senior notes and mortgage loans are determined based on the expected future payments discounted at risk-adjusted rates. The 2015 Notes, 2020 Notes, 2021 Notes, 2022 Notes and 2025 Notes and exchangeable senior debentures are valued based on quoted market prices.

(4) The carrying value of the 2015 Notes, 2020 Notes, 2021 Notes, 2022 Notes and 2025 Notes are net of discount of $14,632 and $15,047 in the aggregate as of March 31, 2014 and December 31, 2013, respectively.