Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 12

-Section 13

-Sentence Column B

+ Details

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- Definition

Number of contracts.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Number of forward contracts included in option contracts available to sell.

+ References

No definition available.

+ Details

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Namespace Prefix:	pld_
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Balance Type:	na
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- Definition

Number of option contracts exercised.

+ References

No definition available.

+ Details

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Balance Type:	na
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- Definition

Average contractual rate at which a foreign currency can be purchased or sold.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

- Definition

Fixed interest rate related to the interest rate derivative.

+ References

No definition available.

+ Details

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

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

For each line item in the statement of financial position, the amounts of gains and losses from fair value changes included in earnings.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 30

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6957238&loc=d3e14172-108612

+ Details

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- Details

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Financial Instruments and Fair Value Measurements - Derivative Activity (Parenthetical) (Detail)	3 Months Ended			9 Months Ended
	Sep. 30, 2015 USD ($) Contracts $ / €	Jun. 30, 2015 Contracts	Sep. 30, 2014 USD ($) Contracts	Sep. 30, 2015 USD ($) Contracts $ / €	Sep. 30, 2014 USD ($) Contracts	Sep. 30, 2015 EUR (€) $ / €	Sep. 30, 2015 GBP (£) $ / €
Derivative [Line Items]
Number of option contracts exercised	10		1	23	2
Gains from option contracts exercised \| $	$ 3,400,000		$ 1,000,000	$ 9,600,000	$ 1,100,000
Notional value of forward contracts \| $	$ 360,000,000			$ 360,000,000
Number of contracts	2
2015 Yen Senior Term Loan [Member]
Derivative [Line Items]
Number of contracts		2
LIBOR [Member]
Derivative [Line Items]
Fixed interest rate	2.30%			2.30%		2.30%	2.30%
Forward and Option Contracts [Member]
Derivative [Line Items]
Number of forward contracts included in option contracts available to sell				4
Notional value of forward contracts						€ 30,800,000	£ 23,000,000
Weighted average forward rate at September 30, \| $ / €	1.10			1.10		1.10	1.10