Earnings Per Common Share / Unit - Schedule of Earnings Per Share Basic and Diluted by Common Class (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended	9 Months Ended
Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Summary Of Computation Of Basic And Diluted Earnings Per Share [Line Items]
Net earnings (loss) attributable to common stockholders	$ (7,534)	$ (46,526)	$ 256,365	$ 147,767
Noncontrolling interest attributable to exchangeable limited partnership units	(48)	(152)	1,446	935
Adjusted net earnings (loss) attributable to common stockholders	(7,582)	(46,678)	257,811	148,702
Weighted average common partnership units outstanding-Basic	497,989	460,079	482,007	459,720
Incremental weighted average effect on exchange of limited partnership units	1,859	1,900	3,099	3,260
Incremental weighted average effect of stock awards and warrants			3,303	1,958
Weighted average common partnership units outstanding-Diluted	499,848	461,979	488,409	464,938
Net earnings (loss) per share attributable to common stockholders-Basic and Diluted	$ (0.02)	$ (0.10)	$ 0.53	$ 0.32
Prologis, L.P. [Member]
Summary Of Computation Of Basic And Diluted Earnings Per Share [Line Items]
Net earnings (loss) attributable to common stockholders	(7,582)	(46,678)	257,374	148,503
Noncontrolling interest attributable to exchangeable limited partnership units			437	199
Adjusted net earnings (loss) attributable to common stockholders	$ (7,582)	$ (46,678)	$ 257,811	$ 148,702
Weighted average common partnership units outstanding-Basic	499,848	461,979	483,889	461,693
Incremental weighted average effect on exchange of limited partnership units			1,217	1,287
Incremental weighted average effect of stock awards and warrants			3,303	1,958
Weighted average common partnership units outstanding-Diluted	499,848	461,979	488,409	464,938
Net earnings (loss) per share attributable to common stockholders-Basic and Diluted	$ (0.02)	$ (0.10)	$ 0.53	$ 0.32

Adjusted net earnings loss attributable to common shares.

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- Definition

Incremental common shares attributable to conversion of limited partnership units.

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- Definition

Incremental Common Shares Attributable To Stock Awards And Warrants

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- Definition

The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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- Definition

Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 260

-SubTopic 10

-Section 45

-Paragraph 11

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- Definition

Amount after tax of income (loss) attributable to nonredeemable noncontrolling partner of a limited partnership.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.19)

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- Definition

The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

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Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

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