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Commitments and Contingencies - Additional Information (Detail) (Coventry II Joint Ventures [Member])	3 Months Ended
	Mar. 31, 2015 Property
Coventry II Joint Ventures [Member]
Contingencies And Commitments [Line Items]
Number of existing retail properties	10ddr_NumberOfExistingRetailProperties / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = ddr_CoventryTwoJointVenturesMember

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- Details

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- Definition

Existing or proposed retail properties that were acquired through various unconsolidated joint ventures.

+ References

No definition available.

+ Details

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