Noncontrolling Interests (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Noncontrolling interests summary
Operating Partnership noncontrolling interest	$ 735,222	$ 15,132
Limited partners in the Operating Partnership	58,613
REIT noncontrolling interest	793,835	15,132
Total Investment In Real Estate	6,113,831	352,297
Debt For Noncontrolling interest	2,270,810	26,417
PEPR [Member]
Noncontrolling interests summary
Operating Partnership noncontrolling interest	106,759
Parent Company's Ownership Percentage	93.70%
Total Investment In Real Estate	4,047,329
Debt For Noncontrolling interest	1,699,587
Mexico Fondo Logistico [Member]
Noncontrolling interests summary
Operating Partnership noncontrolling interest	118,580
Parent Company's Ownership Percentage	20.00%
Total Investment In Real Estate	312,914
Debt For Noncontrolling interest	177,000
Prologis AMS [Member]
Noncontrolling interests summary
Operating Partnership noncontrolling interest	83,897
Parent Company's Ownership Percentage	38.60%
Total Investment In Real Estate	211,627
Debt For Noncontrolling interest	77,041
Partnerships with exchangeable units [Member]
Noncontrolling interests summary
Operating Partnership noncontrolling interest	11,173	11,189
Parent Company's Ownership	Various
Total Investment In Real Estate	297,591	293,632
Debt For Noncontrolling interest	26,417	26,417
Prologis Institutional Alliance Fund II [Member]
Noncontrolling interests summary
Operating Partnership noncontrolling interest	324,721
Parent Company's Ownership Percentage	24.10%
Total Investment In Real Estate	624,318
Debt For Noncontrolling interest	220,625
Other consolidated entities [Member]
Noncontrolling interests summary
Operating Partnership noncontrolling interest	90,092	3,943
Parent Company's Ownership	Various
Total Investment In Real Estate	620,052	58,665
Debt For Noncontrolling interest	$ 70,140