v2.4.1.9

Unconsolidated Entities - Summary of Unconsolidated Co-investment Ventures (Parenthetical) (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Segment Reporting [Abstract]
Gain (Loss) on disposition of property	$ 322.9pld_GainLossOnDispositionsOfProperty	$ 139.6pld_GainLossOnDispositionsOfProperty	$ 147.9pld_GainLossOnDispositionsOfProperty

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- Definition

Gain Loss On Dispositions Of Property

+ References

No definition available.

+ Details

Name:	pld_GainLossOnDispositionsOfProperty
Namespace Prefix:	pld_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

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- Details

Name:	us-gaap_SegmentReportingAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration