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

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Number of contracts.

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

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Number Of Interest Rate Swap Contracts Contributed

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Number Of Interest Rate Swap Contracts Settled

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- Definition

Number of option contracts exercised.

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
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- Definition

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

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- Definition

Fixed interest rate related to the interest rate derivative.

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- 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.

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- Definition

Amount of decrease in the fair value of derivatives recognized in the income statement.

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

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Number of interest rate derivative instruments held by the entity at the reporting date.

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Financial Instruments and Fair Value Measurements - Foreign Currency Contracts Activity (Parenthetical) (Detail)	3 Months Ended	12 Months Ended
	Sep. 30, 2015 USD ($) Contracts	Dec. 31, 2015 USD ($) Derivative Contracts $ / €	Dec. 31, 2014 USD ($) Contracts	Dec. 31, 2013 USD ($) Contracts	Dec. 31, 2015 JPY (¥) Derivative $ / €	Dec. 31, 2015 EUR (€) Derivative $ / €	Dec. 31, 2015 CAD Derivative $ / €	Dec. 31, 2015 GBP (£) Derivative $ / €	Dec. 31, 2014 JPY (¥)
Derivative [Line Items]
Number of option contracts exercised		32	3
Gains from option contracts exercised \| $		$ 14,600,000	$ 1,100,000
Notional value of forward contracts \| $	$ 360,000,000			$ 333,500,000
Number of interest rate swaps hedges outstanding \| Derivative		7			7	7	7	7
Number of contracts	2
Principal Amount \| $		$ 11,621,000,000
Loss on forward derivative contracts \| $		11,000,000
Number of swap contracts				13
Prologis European Logistics Partners [Member]
Derivative [Line Items]
Notional value of forward contracts \| $				$ 383,900,000
Notional value of swap contracts contributed				13
Nippon Prologis REIT Inc [Member]
Derivative [Line Items]
Notional value of forward contracts \| $				$ 526,400,000
Number of swap contracts				5
2015 Yen Term Loan [Member]
Derivative [Line Items]
Notional value of forward contracts		$ 526,300,000			¥ 65,000,000,000
Number of contracts		2
2015 Canadian Term Loan [Member]
Derivative [Line Items]
Notional value of forward contracts		$ 510,000,000					CAD 371,900,000
Number of contracts		3
2014 Yen Term Loan [Member]
Derivative [Line Items]
Notional value of forward contracts			$ 398,300,000						¥ 40,900,000,000
Number of contracts			2
LIBOR [Member]
Derivative [Line Items]
Fixed interest rate	2.30%
October 2015 [Member]
Derivative [Line Items]
Principal Amount \| $		$ 750,000,000
Forward and Option Contracts [Member]
Derivative [Line Items]
Number of forward contracts included in option contracts available to sell		3
Notional value of forward contracts						€ 21,500,000		£ 16,000,000
Weighted average forward rate at December 31 \| $ / €		1.09			1.09	1.09	1.09	1.09