Noncontrolling Interests - Noncontrolling Interest Summary (Detail) (USD $) In Thousands, unless otherwise specified	9 Months Ended	12 Months Ended
	Sep. 30, 2014	Dec. 31, 2013
Noncontrolling Interest [Line Items]
Debt for Noncontrolling Interest	$ 26,064	$ 239,992
Debt for Noncontrolling Interest, Limited Partnerships
Debt for Noncontrolling Interest and Limited Partnerships	26,064	239,992
Total Investment In Real Estate	16,770,837	18,255,479
Operating Partnership noncontrolling interest	646,404	417,086
Limited partners in the Operating Partnership	50,244	48,209
REIT noncontrolling interests	696,648	465,295
Non-controlling Interests [Member]
Noncontrolling Interest [Line Items]
Total Investment In Real Estate	2,053,065	1,610,991
Mexico Fondo Logistico [Member]
Noncontrolling Interest [Line Items]
Debt for Noncontrolling Interest		191,866
Total Investment In Real Estate	29,190	457,006
Parent Company's Ownership Percentage	20.00%	20.00%
Operating Partnership noncontrolling interest	39,407	220,292
Prologis AMS [Member]
Noncontrolling Interest [Line Items]
Debt for Noncontrolling Interest		17,063
Total Investment In Real Estate		58,575
Parent Company's Ownership Percentage		38.50%
Operating Partnership noncontrolling interest		24,791
Prologis US Logistics Venture [Member]
Noncontrolling Interest [Line Items]
Total Investment In Real Estate	1,004,753
Parent Company's Ownership Percentage	55.00%
Operating Partnership noncontrolling interest	431,929
Other Consolidated Entities [Member]
Noncontrolling Interest [Line Items]
Debt for Noncontrolling Interest	26,064	31,063
Total Investment In Real Estate	309,899	312,358
Parent Company's Ownership	various	various
Operating Partnership noncontrolling interest	31,905	31,465
Prologis, L.P. [Member]
Noncontrolling Interest [Line Items]
Total Investment In Real Estate	16,770,837	18,255,479
REIT noncontrolling interests	646,404	417,086
Partnerships with Exchangeable Units [Member]
Noncontrolling Interest [Line Items]
Total Investment In Real Estate	709,223	783,052
Parent Company's Ownership	various	various
Operating Partnership noncontrolling interest	70,255	75,532
Brazil Fund [Member]
Noncontrolling Interest [Line Items]
Total Investment In Real Estate
Parent Company's Ownership Percentage	50.00%	50.00%
Operating Partnership noncontrolling interest	72,908	65,006
Operating Partnership noncontrolling interests [Member] | Prologis, L.P. [Member]
Noncontrolling Interest [Line Items]
Total Investment In Real Estate	2,053,065	1,610,991
Limited Partnership Interests [Member]
Noncontrolling Interest [Line Items]
Total Investment In Real Estate