v2.4.1.9

Assets Held for Sale and Discontinued Operations - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2014 Property	Dec. 31, 2013 Parcels
Assets Held-for-sale [Member]
Assets Held For Sale [Line Items]
Number of operating properties that met criteria	7pld_NumberOfOperatingPropertiesThatMetCriteria / us-gaap_MajorPropertyClassAxis = us-gaap_AssetsHeldForSaleMember
Land Parcel [Member]
Assets Held For Sale [Line Items]
Number of operating properties that met criteria		3pld_NumberOfOperatingPropertiesThatMetCriteria / us-gaap_MajorPropertyClassAxis = pld_LandParcelMember

X

- Details

Name:	pld_AssetsHeldForSaleLineItems
Namespace Prefix:	pld_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number Of Operating Properties That Met Criteria

+ References

No definition available.

+ Details

Name:	pld_NumberOfOperatingPropertiesThatMetCriteria
Namespace Prefix:	pld_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_MajorPropertyClassAxis=pld_LandParcelMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_MajorPropertyClassAxis=us-gaap_AssetsHeldForSaleMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: