Average lease term period.

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Difference between amount received and noncontrolling interests.

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Equity method investment income tax expense.

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Minimum lease payments on leases periods.

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Number of real estate properties purchased.

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Operating leases lease term.

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Real Estate Property Sale Price

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Stock Issued During Period Shares Exercise Of Warrant Shares

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Area of a real estate property.

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No definition available.

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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Exercise price per share or per unit of warrants or rights outstanding.

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Amount of gain (loss) on sale or disposal of equity in securities of subsidiaries or equity method investee.

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Amount of increase in noncontrolling interest from subsidiary issuance of equity interests to noncontrolling interest holders.

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The cash inflow associated with the amount received from holders exercising their stock warrants.

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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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The amount provided for deferred income taxes in relation to any gain (loss) recognized in income of the entity resulting from the issuance of shares by a subsidiary or equity method investee.

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Real Estate - Additional Information (Detail) $ / shares in Units, shares in Millions, ft² in Millions, $ in Millions, € in Billions, ¥ in Billions	3 Months Ended					12 Months Ended
	Dec. 31, 2014 USD ($)	Jun. 30, 2014 USD ($) ft² Property	Mar. 31, 2013 USD ($) ft² Property $ / shares shares	Mar. 31, 2013 JPY (¥) Property shares	Mar. 31, 2013 EUR (€) Property shares	Dec. 31, 2015	Dec. 31, 2014 USD ($)
Real Estate Properties [Line Items]
Gain recognized on disposition of investments in real estate		$ 52.5	$ 1.8
Equity Method Investment Income Tax Expense		32.4
Deferred tax benefit recognized on disposition of investments in real estate		55.5
Earnings attributable to non controlling interest		$ 61.0
Average lease term period						6 years
Minimum lease payments on leases periods						Greater than one year
Minimum [Member]
Real Estate Properties [Line Items]
Operating leases lease term						1 year
Maximum [Member]
Real Estate Properties [Line Items]
Operating leases lease term						74 years
Operating Lease Revenue Largest Customer [Member] \| Customer Concentration Risk [Member]
Real Estate Properties [Line Items]
Net effective rent from 25 largest customers						4.50%
Operating Lease Revenue Twenty Five Largest Customers [Member] \| Customer Concentration Risk [Member]
Real Estate Properties [Line Items]
Net effective rent from 25 largest customers						20.00%
Nippon Prologis REIT Inc [Member]
Real Estate Properties [Line Items]
Number of properties purchased \| Property			12	12	12
Square feet \| ft²			9.6
Gain recognized on disposition of investments in real estate			$ 337.9
Deferred tax benefit recognized on disposition of investments in real estate			59.6
Total estimated purchase price			$ 1,900.0	¥ 173
FIBRA Prologis [Member]
Real Estate Properties [Line Items]
Number of properties purchased \| Property		177
Square feet \| ft²		29.7
Difference between amount received and noncontrolling interests		$ 34.6
Wholly Owned Portfolio [Member]
Real Estate Properties [Line Items]
Square feet \| ft²		12.6
Mexico Fondo Logistico [Member]
Real Estate Properties [Line Items]
Square feet \| ft²		7.6
Prologis Mexico Industrial Fund [Member]
Real Estate Properties [Line Items]
Square feet \| ft²		9.5
Prologis European Logistics Partners [Member]
Real Estate Properties [Line Items]
Number of properties purchased \| Property			195	195	195
Square feet \| ft²			48.7
Purchase price of portfolio			$ 3,000.0		€ 2.3
Norges Bank Investment Management [Member]
Real Estate Properties [Line Items]
Shares issued upon exercise of warrants \| shares			6	6	6
Common Stock Issued In Exercise Of Warrants Per Share \| $ / shares			$ 35.64
Proceeds from exercise of warrant	$ 213.8						$ 213.8