Condensed Consolidated Statements Of Cash Flows (Parenthetical) (4.25% Notes Due 2025 [Member])	3 Months Ended
Mar. 31, 2014
Senior Notes [Member]
Interest rate	4.25%
Maturity date	2025
Digital Realty Trust, L.P. [Member]
Maturity date	2025
Digital Realty Trust, L.P. [Member] \| Senior Notes [Member]
Interest rate	4.25%

Description of the maturity date of the debt instrument including whether the debt matures serially and, if so, a brief description of the serial maturities.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(2))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Name:	us-gaap_DebtInstrumentMaturityDateDescription
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration