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Business Combinations (Details Textual)
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3 Months Ended | 6 Months Ended | 6 Months Ended | 6 Months Ended | 3 Months Ended | ||||||||
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Jun. 30, 2011
EUR (€)
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Jun. 30, 2012
USD ($)
Transactions
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Jun. 30, 2011
USD ($)
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Jun. 30, 2012
EUR (€)
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May 31, 2011
Buildings
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Jun. 30, 2012
AMB [Member]
USD ($)
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Jun. 30, 2012
Prologis North American Industrial Fund [Member]
USD ($)
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Apr. 30, 2012
Prologis North American Industrial Fund [Member]
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Jun. 30, 2012
Prologis California [Member]
USD ($)
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Jun. 30, 2011
PEPR [Member]
USD ($)
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Jun. 30, 2011
PEPR [Member]
EUR (€)
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Jun. 30, 2012
PEPR [Member]
USD ($)
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Jun. 30, 2012
PEPR [Member]
EUR (€)
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| Business Acquisition [Line Items] | |||||||||||||
| Business acquisition purchase price | $ 5,900,000,000 | $ 85,900,000 | € 59,600,000 | ||||||||||
| Percentage interest acquired in Prologis North American Fund II | 63.00% | ||||||||||||
| Percentage owned in unconsolidated co-investment venture | 100.00% | ||||||||||||
| Business acquisition, loan repayment | 336,100,000 | ||||||||||||
| Business acquisition purchase price allocation real estate | 1,600,000,000 | 496,300,000 | |||||||||||
| Business acquisition purchase price allocation other assets | 31,700,000 | 17,700,000 | |||||||||||
| Business acquisition purchase price allocation debt | 875,400,000 | 150,000,000 | |||||||||||
| Gain on acquisition of business | 273,000,000 | 1,000,000,000 | 715,800,000 | ||||||||||
| Business Combinations (Textual) [Abstract] | |||||||||||||
| Acquisition of additional ordinary units | 96,500,000 | ||||||||||||
| Acquisition of convertible preferred units of PEPR | 2,700,000 | ||||||||||||
| Global line borrowings and bridge facility | 500,000,000 | ||||||||||||
| Mark to market equity investment in PEPR from carrying value | 486,000,000 | ||||||||||||
| Preliminary aggregate purchase price | 1,600,000,000 | 1,100,000,000 | |||||||||||
| Number of transactions in acquisitions | 2 | ||||||||||||
| Rental income included in pro forma result | 77,800,000 | 84,700,000 | |||||||||||
| Rental expenses included in pro forma result | $ 18,900,000 | $ 19,600,000 | |||||||||||