v2.4.0.8

Unconsolidated Entities - Additional Information (Detail) (USD $) | 3 Months Ended | 9 Months Ended |  |  |  | 9 Months Ended | 1 Months Ended |  |
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Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2014 Investment | Sep. 30, 2013 | Dec. 31, 2013 | Mar. 31, 2013 Europe [Member] Venture | Mar. 31, 2013 Japan [Member] Venture | Sep. 30, 2014 Co-venturer [Member] | Sep. 30, 2014 Prologis North American Industrial Fund [Member] | Jun. 30, 2014 Prologis Targeted U.S. Logistics Fund [Member] | Oct. 20, 2014 Maximum [Member] Subsequent Event [Member] Co-venturer [Member] | Sep. 30, 2014 Other Ventures [Member]
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Unconsolidated co-investment ventures |  |  | 1 |  |  |  |  |  |  |  |  |
Investments in and advances to unconsolidated entities | $ 5,814,056,000 |  | $ 5,814,056,000 |  | $ 4,430,239,000 |  |  |  |  |  |  | $ 173,500,000
Promote fee earned from venture |  |  |  |  |  |  |  |  |  | 42,100,000 |  |
Third party investors portion reflected in strategic capital income | 54,070,000 | 48,322,000 | 175,714,000 | 125,565,000 |  |  |  |  |  | 31,300,000 |  |
Expenses included in strategic capital expenses |  |  |  |  |  |  |  |  |  | 4,200,000 |  |
Equity method investment, percentage |  |  |  |  |  |  |  | 63.30% |  |  | 66.10% |
Equity method investment |  |  |  |  |  |  |  |  | $ 632,100,000 |  |  |
Number of co-investment ventures |  |  |  |  |  | 1 | 1 |  |  |  |  |

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