Commitments and Contingencies - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2015	Dec. 31, 2014
Commitments And Contingencies Disclosure [Abstract]
Percentage of agreement indemnification	100.00%
Outstanding performance and surety bonds	$ 58.8	$ 54.5

Percentage of Actual Capital Gains Tax Liabilities Used For Indemnification Amount

No definition available.

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Namespace Prefix:	pld_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration