v2.4.1.9

Financial Instruments and Fair Value Measurements - Carrying Amounts and Estimated Fair Values of Debt (Detail) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2014 | Dec. 31, 2013
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Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Carrying Value of Debt | $ 9,380,199 us-gaap_DebtAndCapitalLeaseObligations | $ 9,011,216 us-gaap_DebtAndCapitalLeaseObligations
Fair Value of Debt | 10,080,157 us-gaap_DebtInstrumentFairValue | 9,586,791 us-gaap_DebtInstrumentFairValue
Credit Facilities [Member] |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Carrying Value of Debt |  | 725,483 us-gaap_DebtAndCapitalLeaseObligations / us-gaap_LongtermDebtTypeAxis = us-gaap_LineOfCreditMember
Fair Value of Debt |  | 725,679 us-gaap_DebtInstrumentFairValue / us-gaap_LongtermDebtTypeAxis = us-gaap_LineOfCreditMember
Senior Notes [Member] |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Carrying Value of Debt | 6,076,920 us-gaap_DebtAndCapitalLeaseObligations / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember | 5,357,933 us-gaap_DebtAndCapitalLeaseObligations / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember
Fair Value of Debt | 6,593,657 us-gaap_DebtInstrumentFairValue / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember | 5,698,864 us-gaap_DebtInstrumentFairValue / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember
Exchangeable Senior Notes [Member] |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Carrying Value of Debt | 456,766 us-gaap_DebtAndCapitalLeaseObligations / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember | 438,481 us-gaap_DebtAndCapitalLeaseObligations / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember
Fair Value of Debt | 511,931 us-gaap_DebtInstrumentFairValue / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember | 514,381 us-gaap_DebtInstrumentFairValue / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember
Secured Mortgage Debt [Member] |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Carrying Value of Debt | 1,050,591 us-gaap_DebtAndCapitalLeaseObligations / us-gaap_LongtermDebtTypeAxis = us-gaap_SecuredDebtMember | 1,696,597 us-gaap_DebtAndCapitalLeaseObligations / us-gaap_LongtermDebtTypeAxis = us-gaap_SecuredDebtMember
Fair Value of Debt | 1,173,488 us-gaap_DebtInstrumentFairValue / us-gaap_LongtermDebtTypeAxis = us-gaap_SecuredDebtMember | 1,840,829 us-gaap_DebtInstrumentFairValue / us-gaap_LongtermDebtTypeAxis = us-gaap_SecuredDebtMember
Secured Mortgage Debt of Consolidated Entities [Member] |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Carrying Value of Debt | 1,207,106 us-gaap_DebtAndCapitalLeaseObligations / us-gaap_DebtInstrumentAxis = pld_SecuredDebtConsolidatedInvesteesMember | 239,992 us-gaap_DebtAndCapitalLeaseObligations / us-gaap_DebtInstrumentAxis = pld_SecuredDebtConsolidatedInvesteesMember
Fair Value of Debt | 1,209,271 us-gaap_DebtInstrumentFairValue / us-gaap_DebtInstrumentAxis = pld_SecuredDebtConsolidatedInvesteesMember | 246,324 us-gaap_DebtInstrumentFairValue / us-gaap_DebtInstrumentAxis = pld_SecuredDebtConsolidatedInvesteesMember
Term Loans and Other Debt [Member] |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Carrying Value of Debt | 588,816 us-gaap_DebtAndCapitalLeaseObligations / us-gaap_DebtInstrumentAxis = pld_TermDebtAndOtherMember | 552,730 us-gaap_DebtAndCapitalLeaseObligations / us-gaap_DebtInstrumentAxis = pld_TermDebtAndOtherMember
Fair Value of Debt | $ 591,810 us-gaap_DebtInstrumentFairValue / us-gaap_DebtInstrumentAxis = pld_TermDebtAndOtherMember | $ 560,714 us-gaap_DebtInstrumentFairValue / us-gaap_DebtInstrumentAxis = pld_TermDebtAndOtherMember

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- 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
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13433-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13476-108611 + Details
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Namespace Prefix: | us-gaap_
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- Details
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Balance Type: | na
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- Details
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Balance Type: |
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- Details
Name: | us-gaap_DebtInstrumentAxis=pld_TermDebtAndOtherMember
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- Details
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- Details
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- Details
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- Details
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