Financial Instruments and Fair Value Measurements - Derivative Activity (Parenthetical) (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013 Contract	Dec. 31, 2012 Contract	Dec. 31, 2011
Derivative [Line Items]
Number of swap contracts	13	4
Notional value of swap contracts	$ 333.5	$ 445.4	$ 1,300.0
Maturity date of interest rate swap contracts		Various expiration dates between 2017 and 2019
Prologis European Logistics Partners [Member]
Derivative [Line Items]
Number of swap contracts	13
Notional value of swap contracts	383.9
Nippon Prologis REIT Inc [Member]
Derivative [Line Items]
Number of swap contracts	5
Notional value of swap contracts	526.4
NAIF II [Member]
Derivative [Line Items]
Number of swap contracts		1
Notional value of swap contracts		$ 71.0