Stockholders' Equity of the REIT and Partners' Capital of the Operating Partnership (Details Textual)	6 Months Ended
Jun. 30, 2012
Stockholders' Equity of the REIT and Partners' Capital of the Operating Partnership (Textual) [Abstract]
Third party ownership interest of common partnership units	0.41%

Percentage of common limited partnership interest.

No definition available.

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