v2.4.0.8

Debt - Debt Summary (Parenthetical) (Detail) (USD $) In Billions, unless otherwise specified | Sep. 30, 2014
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Euro [Member] |
Schedule of Capitalization, Long-term Debt [Line Items] |
Foreign principal borrowing included in total debt denominated in non-U.S. dollars | $ 3.2
Japanese Yen [Member] |
Schedule of Capitalization, Long-term Debt [Line Items] |
Foreign principal borrowing included in total debt denominated in non-U.S. dollars | 0.5
British pounds sterling [Member] |
Schedule of Capitalization, Long-term Debt [Line Items] |
Foreign principal borrowing included in total debt denominated in non-U.S. dollars | $ 0.1

X
- Definition Principal borrowings within the outstanding debt balance that are denominated in a foreign currency. + References No definition available. + Details
Name: | pld_Principalborrowingswithindebtdenominatedinforeigncurrency
Namespace Prefix: | pld_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_ScheduleOfCapitalizationLongtermDebtLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration