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Investments in and Advances to Joint Ventures - Additional Information (Detail) (USD $) | 6 Months Ended |  | 1 Months Ended | 6 Months Ended | 1 Months Ended
--- | --- | --- | --- | --- | ---
Jun. 30, 2013 Assets Store | Jun. 30, 2012 Assets | Dec. 31, 2012 Store | May 31, 2013 Blackstone Group [Member] Center | Jun. 30, 2013 Blackstone Group [Member] | Apr. 30, 2013 DDRTC JV [Member] Assets
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Shopping centers owned | 199 |  | 206 |  |  |
Investment basis Value For which No Income Loss Recognized | $ 0 |  |  |  |  |
Obligation or Intent to fund additional capital | 0 |  |  |  |  |
Number of properties acquired | 30 |  |  | 30 |  |
Value of shopping centers |  |  |  | 1,460,000,000 |  |
Value of shopping centers |  |  |  | 1,540,000,000 |  |
Full Value of the real estate to be acquired |  |  |  | 100.00% |  |
Cash payment under purchase agreement |  |  |  | 566,000,000 |  |
Ownership interest of joint venture partner to be acquired |  |  |  | 95.00% |  |
Company's share of repaid mortgage debt |  |  |  | 398,000,000 |  |
Preferred equity interest | 146,000,000 |  |  | 146,000,000 |  |
Repaid mortgage debt |  |  |  | 406,000,000 |  |
Deposit |  |  |  |  | 25,000,000 |
Ownership interest of joint venture partner |  |  |  |  |  | 85.00%
Number of joint venture assets acquired | 5 | 2 |  |  |  | 5
Purchase price of acquired entities |  |  |  |  |  | 110,500,000
Repaid mortgage debt |  |  |  |  |  | $ 92,400,000

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