v2.4.0.6

Debt (Details) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2011 | Dec. 31, 2010
--- | --- | ---
Short and Long Term Debt [Line Items] |  |
Amount Outstanding | $ 11,382,408 | $ 6,506,029
Weighted Average Interest Rate | 5.12% | 5.79%
Credit Facilities [Member] |  |
Short and Long Term Debt [Line Items] |  |
Amount Outstanding | 936,796 | 520,141
Weighted Average Interest Rate | 2.17% | 3.53%
Senior Debt [Member] |  |
Short and Long Term Debt [Line Items] |  |
Amount Outstanding | 4,772,607 | 3,195,724
Weighted Average Interest Rate | 6.30% | 6.63%
Exchangeable senior notes [Member] |  |
Short and Long Term Debt [Line Items] |  |
Amount Outstanding | 1,315,448 | 1,521,568
Weighted Average Interest Rate | 4.82% | 4.90%
Secured mortgage debt [Member] |  |
Short and Long Term Debt [Line Items] |  |
Amount Outstanding | 1,725,773 | 1,249,729
Weighted Average Interest Rate | 4.71% | 5.67%
Secured mortgage debt of consolidated investees [Member] |  |
Short and Long Term Debt [Line Items] |  |
Amount Outstanding | 1,468,637 |
Weighted Average Interest Rate | 4.54% |
Other debt of consolidated investees [Member] |  |
Short and Long Term Debt [Line Items] |  |
Amount Outstanding | 775,763 |
Weighted Average Interest Rate | 5.30% |
Other debt [Member] |  |
Short and Long Term Debt [Line Items] |  |
Amount Outstanding | $ 387,384 | $ 18,867
Weighted Average Interest Rate | 2.44% | 6.48%

X
- Details
Name: | pld_ShortAndLongTermDebtLineItems
Namespace Prefix: | pld_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.13,16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
Name: | us-gaap_DebtAndCapitalLeaseObligations
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Reflects the calculation as of the balance sheet date of the average interest rate weighted by the amount of debt outstanding by type or by instrument at that time. + References No definition available. + Details
Name: | us-gaap_DebtWeightedAverageInterestRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant