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Investments in and Advances to Joint Ventures - Summary of Company's Equity Method Joint Ventures Included in Investments in and Advances (Detail)	12 Months Ended
	Dec. 31, 2013
Sonae Sierra Brasil [Member]
Schedule of Equity Method Investments [Line Items]
Effective Ownership Percentage	33.30%
Equity Method Investment, Assets Owned	10 shopping centers and a management company in Brazil
DDR Domestic Retail Fund I [Member]
Schedule of Equity Method Investments [Line Items]
Effective Ownership Percentage	20.00%
Equity Method Investment, Assets Owned	59 grocery-anchored retail centers in several states
DDR Markaz II LLC [Member]
Schedule of Equity Method Investments [Line Items]
Effective Ownership Percentage	20.00%
Equity Method Investment, Assets Owned	13 neighborhood grocery-anchored retail centers in several states
DDR-SAU Retail Fund LLC [Member]
Schedule of Equity Method Investments [Line Items]
Effective Ownership Percentage	20.00%
Equity Method Investment, Assets Owned	27 grocery-anchored retail centers in several states
DDRTC Core Retail Fund LLC [Member]
Schedule of Equity Method Investments [Line Items]
Effective Ownership Percentage	15.00%
Equity Method Investment, Assets Owned	27 shopping centers in several states
Coventry II Joint Ventures [Member]
Schedule of Equity Method Investments [Line Items]
Effective Ownership Percentage	20.00%
Equity Method Investment, Assets Owned	Four shopping centers in several states
BRE DDR Retail Holdings I [Member]
Schedule of Equity Method Investments [Line Items]
Effective Ownership Percentage	5.00%
Equity Method Investment, Assets Owned	14 shopping centers in several states
BRE DDR Retail Holdings II [Member]
Schedule of Equity Method Investments [Line Items]
Effective Ownership Percentage	5.00%
Equity Method Investment, Assets Owned	Seven shopping centers in several states
Other Joint Venture Interests [Member]
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Assets Owned	13 shopping centers in several states and a management company
Minimum [Member] | Other Joint Venture Interests [Member]
Schedule of Equity Method Investments [Line Items]
Effective Ownership Percentage	25.25%
Maximum [Member] | Other Joint Venture Interests [Member]
Schedule of Equity Method Investments [Line Items]
Effective Ownership Percentage	79.45%

X

- Definition

The number of assets owned as of the balance sheet date.

+ References

No definition available.

+ Details

Name:	ddr_NumberOfAssetsOwned
Namespace Prefix:	ddr_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 323

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
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