Noncontrolling Interests (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Noncontrolling interests summary
Operating Partnership noncontrolling interest	$ 649,389	$ 735,222
Limited partners in the Operating Partnership	53,207	58,613
REIT noncontrolling interest	702,596	793,835
Total Investment In Real Estate	6,180,978	6,643,503
Investment in real estate, Limited partnerships
Total Investment In Real Estate	6,180,978	6,643,503
Debt for noncontrolling interest limited partnerships
Debt For Noncontrolling interest	1,969,776	2,270,810
PEPR [Member]
Noncontrolling interests summary
Parent Company's Ownership Percentage	99.50%	93.70%
Operating Partnership noncontrolling interest	9,968	106,759
Total Investment In Real Estate	3,621,172	4,047,329
Debt For Noncontrolling interest	1,390,917	1,699,587
Mexico Fondo Logistico [Member]
Noncontrolling interests summary
Parent Company's Ownership Percentage	20.00%	20.00%
Operating Partnership noncontrolling interest	139,180	118,580
Total Investment In Real Estate	376,033	312,914
Debt For Noncontrolling interest	212,577	177,000
Prologis AMS [Member]
Noncontrolling interests summary
Parent Company's Ownership Percentage	38.60%	38.50%
Operating Partnership noncontrolling interest	62,143	83,897
Total Investment In Real Estate	175,064	211,627
Debt For Noncontrolling interest	75,535	77,041
Partnerships with exchangeable units [Member]
Noncontrolling interests summary
Parent Company's Ownership	Various	Various
Operating Partnership noncontrolling interest	43,301	11,173
Total Investment In Real Estate	831,795	827,263
Debt For Noncontrolling interest	26,417	26,417
Prologis Institutional Alliance Fund II [Member]
Noncontrolling interests summary
Parent Company's Ownership Percentage	28.20%	24.10%
Operating Partnership noncontrolling interest	302,851	324,721
Total Investment In Real Estate	599,789	624,318
Debt For Noncontrolling interest	198,332	220,625
Other consolidated entities [Member]
Noncontrolling interests summary
Parent Company's Ownership	Various	Various
Operating Partnership noncontrolling interest	91,946	90,092
Total Investment In Real Estate	577,125	620,052
Debt For Noncontrolling interest	$ 65,998	$ 70,140

Debt for non-controlling interest in the Operating Partnership in the REIT.

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- Definition

Debt for noncontrolling interest limited partnerships.

+ References

No definition available.

+ Details

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- Definition

Total investment in real estate of noncontrolling interests in the operating Partnership.

+ References

No definition available.

+ Details

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- Definition

Investment in real estate limited partnerships.

+ References

No definition available.

+ Details

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- Definition

Net investment in real estate of noncontrolling interests in the operating Partnership.

+ References

No definition available.

+ Details

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- Definition

Parent Company's Ownership.

+ References

No definition available.

+ Details

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- Definition

Parent Company's Ownership Percentage.

+ References

No definition available.

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- Definition

Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (that is, noncontrolling interest, previously referred to as minority interest).

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 27

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Accounting Research Bulletin (ARB)

-Number 51

-Paragraph A3

-Appendix A

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Accounting Research Bulletin (ARB)

-Number 51

-Paragraph 26

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 20

-Article 7

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.31)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Accounting Research Bulletin (ARB)

-Number 51

-Paragraph 38

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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- Definition

Carrying amount of the equity interests owned by noncontrolling partners of a limited partnership included in the entity's consolidated financial statements.

+ References

No definition available.

+ Details

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- Definition

Carrying amount of the equity interests owned by noncontrolling partners in an operating partnership included in the entity's consolidated financial statements.

+ References

No definition available.

+ Details

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