XML 36 R42.htm IDEA: XBRL DOCUMENT v2.4.1.9
Unconsolidated Entities - Summary of Unconsolidated Co-investment Ventures (Parenthetical) (Detail) (Nippon Prologis REIT Inc [Member], USD $)
In Millions, unless otherwise specified
Mar. 31, 2015
Dec. 31, 2014
Nippon Prologis REIT Inc [Member]
    
Schedule Of Equity Method Investments Joint Ventures [Line Items]    
Intercompany notes receivable $ 85.5us-gaap_DueFromRelatedParties
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= pld_NipponPrologisREITIncMember		 $ 85.9us-gaap_DueFromRelatedParties
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= pld_NipponPrologisREITIncMember