v2.4.1.9

Noncontrolling Interests - Noncontrolling Interest Summary (Parenthetical) (Detail) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Noncontrolling Interest [Line Items]
Outstanding limited partnership units	1,887pld_OutstandingLimitedPartnershipUnitsExchangeableIntoCashOrCommonShares	1,949pld_OutstandingLimitedPartnershipUnitsExchangeableIntoCashOrCommonShares
Limited partnership units converted in to cash	62pld_LimitedPartnershipUnitsConvertedInToCash
Limited partnership units redeemed cash amount	$ 2,500,000us-gaap_MinorityInterestChangeInRedemptionValue
Parent Company's Ownership Percentage	100.00%us-gaap_MinorityInterestOwnershipPercentageByParent
Brazil Fund [Member]
Noncontrolling Interest [Line Items]
Investments in unconsolidated entities	152,000,000us-gaap_RealEstateInvestmentsUnconsolidatedRealEstateAndOtherJointVentures / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_BrazilFundMember
Parent Company's Ownership Percentage	50.00%us-gaap_MinorityInterestOwnershipPercentageByParent / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_BrazilFundMember	50.00%us-gaap_MinorityInterestOwnershipPercentageByParent / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_BrazilFundMember
Prologis, L.P. [Member]
Noncontrolling Interest [Line Items]
Outstanding limited partnership units	1,767pld_OutstandingLimitedPartnershipUnitsExchangeableIntoCashOrCommonShares / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = us-gaap_LimitedPartnerMember	1,767pld_OutstandingLimitedPartnershipUnitsExchangeableIntoCashOrCommonShares / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = us-gaap_LimitedPartnerMember
Limited partnership units redeemed cash amount	0us-gaap_MinorityInterestChangeInRedemptionValue / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = us-gaap_LimitedPartnerMember
Prologis AMS [Member]
Noncontrolling Interest [Line Items]
Number of disposed properties	2pld_NumberOfDisposedProperties / us-gaap_BusinessAcquisitionAxis = pld_PrologisAmsMember
Operating Partnership non controlling interest	$ 34,600,000us-gaap_AdjustmentsToAdditionalPaidInCapitalOther / us-gaap_BusinessAcquisitionAxis = pld_PrologisAmsMember

X

- Definition

Limited partnership units converted in to cash.

+ References

No definition available.

+ Details

Name:	pld_LimitedPartnershipUnitsConvertedInToCash
Namespace Prefix:	pld_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of disposed properties.

+ References

No definition available.

+ Details

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

X

- Definition

Outstanding limited partnership units converted into cash or common shares.

+ References

No definition available.

+ Details

Name:	pld_OutstandingLimitedPartnershipUnitsExchangeableIntoCashOrCommonShares
Namespace Prefix:	pld_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Amount of other increase (decrease) in additional paid in capital (APIC).

+ References

No definition available.

+ Details

Name:	us-gaap_AdjustmentsToAdditionalPaidInCapitalOther
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Change in noncontrolling interest during the period as a result of a change in the redemption value of redeemable noncontrolling interest.

+ References

No definition available.

+ Details

Name:	us-gaap_MinorityInterestChangeInRedemptionValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

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

X

- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

+ References

No definition available.

+ Details

Name:	us-gaap_MinorityInterestOwnershipPercentageByParent
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The carrying amount of investments in unconsolidated real estate and other joint ventures not separately presented. This includes direct and indirect investments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.1(d))

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

+ Details

Name:	us-gaap_RealEstateInvestmentsUnconsolidatedRealEstateAndOtherJointVentures
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	us-gaap_BusinessAcquisitionAxis=pld_PrologisAmsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_PartnerTypeOfPartnersCapitalAccountAxis=us-gaap_LimitedPartnerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=pld_BrazilFundMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: