Supplemental Cash Flow Information - Additional Information (Detail) (USD $)	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Real Estate Properties [Line Items]
Ownership interest received as part of non-cash proceed from contribution	$ 1,300,000,000
Costs of Share-based Compensation Awards	55,339,000
Interest paid in cash	225,200,000	267,800,000
Cash paid for income taxes	57,000,000	18,400,000
Prologis Institutional Alliance Fund II [Member]
Real Estate Properties [Line Items]
Number of limited partnership units issued	804,734
Amount of partnership units issued	31,300,000
Prologis European Logistics Partners [Member]
Real Estate Properties [Line Items]
Percentage of ownership interest	50.00%
Secured debt	353,200,000
Investment of Real Estate or Other Assets [Member]
Real Estate Properties [Line Items]
Costs of Share-based Compensation Awards	$ 8,100,000	$ 4,200,000