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Debt - Long-Term Debt Maturities (Detail) (USD $)
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Dec. 31, 2014
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Dec. 31, 2013
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| Debt Instrument [Line Items] |
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| 2015 |
$ 599,000,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear |
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| 2016 |
741,000,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths |
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| 2017 |
971,000,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo |
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| 2018 |
540,000,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree |
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| 2019 |
980,000,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour |
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| 2020 |
1,292,000,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive |
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| 2021 |
854,000,000pld_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearSix |
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| 2022 |
859,000,000pld_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearSeven |
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| 2023 |
859,000,000pld_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearEight |
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| 2024 |
981,000,000pld_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearNine |
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| Thereafter |
617,000,000pld_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearNine |
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| Subtotal |
9,293,000,000us-gaap_DebtInstrumentFaceAmount |
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| Unamortized (discounts) premiums, net |
87,000,000us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet |
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| Total |
9,380,199,000us-gaap_LongTermDebt |
9,011,216,000us-gaap_LongTermDebt |
| Wholly Owned [Member] |
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|
| Debt Instrument [Line Items] |
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|
| 2015 |
485,000,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear / us-gaap_DebtInstrumentAxis = pld_WhollyOwnedMember |
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| 2016 |
295,000,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths / us-gaap_DebtInstrumentAxis = pld_WhollyOwnedMember |
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| 2017 |
765,000,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo / us-gaap_DebtInstrumentAxis = pld_WhollyOwnedMember |
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| 2018 |
374,000,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree / us-gaap_DebtInstrumentAxis = pld_WhollyOwnedMember |
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| 2019 |
979,000,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour / us-gaap_DebtInstrumentAxis = pld_WhollyOwnedMember |
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| 2020 |
1,103,000,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive / us-gaap_DebtInstrumentAxis = pld_WhollyOwnedMember |
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| 2021 |
853,000,000pld_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearSix / us-gaap_DebtInstrumentAxis = pld_WhollyOwnedMember |
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| 2022 |
858,000,000pld_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearSeven / us-gaap_DebtInstrumentAxis = pld_WhollyOwnedMember |
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| 2023 |
858,000,000pld_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearEight / us-gaap_DebtInstrumentAxis = pld_WhollyOwnedMember |
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| 2024 |
980,000,000pld_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearNine / us-gaap_DebtInstrumentAxis = pld_WhollyOwnedMember |
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| Thereafter |
614,000,000pld_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearNine / us-gaap_DebtInstrumentAxis = pld_WhollyOwnedMember |
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| Subtotal |
8,164,000,000us-gaap_DebtInstrumentFaceAmount / us-gaap_DebtInstrumentAxis = pld_WhollyOwnedMember |
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| Unamortized (discounts) premiums, net |
9,000,000us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet / us-gaap_DebtInstrumentAxis = pld_WhollyOwnedMember |
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| Total |
8,173,000,000us-gaap_LongTermDebt / us-gaap_DebtInstrumentAxis = pld_WhollyOwnedMember |
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| Wholly Owned [Member] | Senior Notes [Member] |
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| Debt Instrument [Line Items] |
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| 2017 |
377,000,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo / us-gaap_DebtInstrumentAxis = pld_WhollyOwnedMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember |
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| 2018 |
262,000,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree / us-gaap_DebtInstrumentAxis = pld_WhollyOwnedMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember |
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| 2019 |
693,000,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour / us-gaap_DebtInstrumentAxis = pld_WhollyOwnedMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember |
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| 2020 |
1,096,000,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive / us-gaap_DebtInstrumentAxis = pld_WhollyOwnedMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember |
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| 2021 |
500,000,000pld_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearSix / us-gaap_DebtInstrumentAxis = pld_WhollyOwnedMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember |
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| 2022 |
850,000,000pld_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearSeven / us-gaap_DebtInstrumentAxis = pld_WhollyOwnedMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember |
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| 2023 |
850,000,000pld_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearEight / us-gaap_DebtInstrumentAxis = pld_WhollyOwnedMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember |
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| 2024 |
850,000,000pld_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearNine / us-gaap_DebtInstrumentAxis = pld_WhollyOwnedMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember |
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| Thereafter |
607,000,000pld_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearNine / us-gaap_DebtInstrumentAxis = pld_WhollyOwnedMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember |
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| Subtotal |
6,085,000,000us-gaap_DebtInstrumentFaceAmount / us-gaap_DebtInstrumentAxis = pld_WhollyOwnedMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember |
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| Unamortized (discounts) premiums, net |
(8,000,000)us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet / us-gaap_DebtInstrumentAxis = pld_WhollyOwnedMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember |
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| Total |
6,077,000,000us-gaap_LongTermDebt / us-gaap_DebtInstrumentAxis = pld_WhollyOwnedMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember |
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| Wholly Owned [Member] | Exchangeable Notes [Member] |
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| Debt Instrument [Line Items] |
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| 2015 |
460,000,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear / us-gaap_DebtInstrumentAxis = pld_WhollyOwnedMember / us-gaap_LongtermDebtTypeAxis = pld_ExchangeableNotesMember |
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| Subtotal |
460,000,000us-gaap_DebtInstrumentFaceAmount / us-gaap_DebtInstrumentAxis = pld_WhollyOwnedMember / us-gaap_LongtermDebtTypeAxis = pld_ExchangeableNotesMember |
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| Unamortized (discounts) premiums, net |
(3,000,000)us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet / us-gaap_DebtInstrumentAxis = pld_WhollyOwnedMember / us-gaap_LongtermDebtTypeAxis = pld_ExchangeableNotesMember |
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| Total |
457,000,000us-gaap_LongTermDebt / us-gaap_DebtInstrumentAxis = pld_WhollyOwnedMember / us-gaap_LongtermDebtTypeAxis = pld_ExchangeableNotesMember |
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| Wholly Owned [Member] | Term Loans and Other Debt [Member] |
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| Debt Instrument [Line Items] |
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| 2015 |
1,000,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear / us-gaap_DebtInstrumentAxis = pld_WhollyOwnedMember / us-gaap_LongtermDebtTypeAxis = pld_TermLoansAndOtherDebtMember |
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| 2016 |
1,000,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths / us-gaap_DebtInstrumentAxis = pld_WhollyOwnedMember / us-gaap_LongtermDebtTypeAxis = pld_TermLoansAndOtherDebtMember |
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| 2017 |
232,000,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo / us-gaap_DebtInstrumentAxis = pld_WhollyOwnedMember / us-gaap_LongtermDebtTypeAxis = pld_TermLoansAndOtherDebtMember |
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| 2018 |
1,000,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree / us-gaap_DebtInstrumentAxis = pld_WhollyOwnedMember / us-gaap_LongtermDebtTypeAxis = pld_TermLoansAndOtherDebtMember |
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| 2019 |
1,000,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour / us-gaap_DebtInstrumentAxis = pld_WhollyOwnedMember / us-gaap_LongtermDebtTypeAxis = pld_TermLoansAndOtherDebtMember |
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| 2020 |
1,000,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive / us-gaap_DebtInstrumentAxis = pld_WhollyOwnedMember / us-gaap_LongtermDebtTypeAxis = pld_TermLoansAndOtherDebtMember |
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| 2021 |
342,000,000pld_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearSix / us-gaap_DebtInstrumentAxis = pld_WhollyOwnedMember / us-gaap_LongtermDebtTypeAxis = pld_TermLoansAndOtherDebtMember |
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| 2022 |
1,000,000pld_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearSeven / us-gaap_DebtInstrumentAxis = pld_WhollyOwnedMember / us-gaap_LongtermDebtTypeAxis = pld_TermLoansAndOtherDebtMember |
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| 2023 |
1,000,000pld_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearEight / us-gaap_DebtInstrumentAxis = pld_WhollyOwnedMember / us-gaap_LongtermDebtTypeAxis = pld_TermLoansAndOtherDebtMember |
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| 2024 |
1,000,000pld_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearNine / us-gaap_DebtInstrumentAxis = pld_WhollyOwnedMember / us-gaap_LongtermDebtTypeAxis = pld_TermLoansAndOtherDebtMember |
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| Thereafter |
7,000,000pld_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearNine / us-gaap_DebtInstrumentAxis = pld_WhollyOwnedMember / us-gaap_LongtermDebtTypeAxis = pld_TermLoansAndOtherDebtMember |
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| Subtotal |
589,000,000us-gaap_DebtInstrumentFaceAmount / us-gaap_DebtInstrumentAxis = pld_WhollyOwnedMember / us-gaap_LongtermDebtTypeAxis = pld_TermLoansAndOtherDebtMember |
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| Total |
589,000,000us-gaap_LongTermDebt / us-gaap_DebtInstrumentAxis = pld_WhollyOwnedMember / us-gaap_LongtermDebtTypeAxis = pld_TermLoansAndOtherDebtMember |
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| Wholly Owned [Member] | Secured Mortgage Debt [Member] |
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| Debt Instrument [Line Items] |
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| 2015 |
24,000,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear / us-gaap_DebtInstrumentAxis = pld_WhollyOwnedMember / us-gaap_LongtermDebtTypeAxis = us-gaap_SecuredDebtMember |
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| 2016 |
294,000,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths / us-gaap_DebtInstrumentAxis = pld_WhollyOwnedMember / us-gaap_LongtermDebtTypeAxis = us-gaap_SecuredDebtMember |
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| 2017 |
156,000,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo / us-gaap_DebtInstrumentAxis = pld_WhollyOwnedMember / us-gaap_LongtermDebtTypeAxis = us-gaap_SecuredDebtMember |
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| 2018 |
111,000,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree / us-gaap_DebtInstrumentAxis = pld_WhollyOwnedMember / us-gaap_LongtermDebtTypeAxis = us-gaap_SecuredDebtMember |
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| 2019 |
285,000,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour / us-gaap_DebtInstrumentAxis = pld_WhollyOwnedMember / us-gaap_LongtermDebtTypeAxis = us-gaap_SecuredDebtMember |
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| 2020 |
6,000,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive / us-gaap_DebtInstrumentAxis = pld_WhollyOwnedMember / us-gaap_LongtermDebtTypeAxis = us-gaap_SecuredDebtMember |
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| 2021 |
11,000,000pld_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearSix / us-gaap_DebtInstrumentAxis = pld_WhollyOwnedMember / us-gaap_LongtermDebtTypeAxis = us-gaap_SecuredDebtMember |
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| 2022 |
7,000,000pld_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearSeven / us-gaap_DebtInstrumentAxis = pld_WhollyOwnedMember / us-gaap_LongtermDebtTypeAxis = us-gaap_SecuredDebtMember |
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| 2023 |
7,000,000pld_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearEight / us-gaap_DebtInstrumentAxis = pld_WhollyOwnedMember / us-gaap_LongtermDebtTypeAxis = us-gaap_SecuredDebtMember |
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| 2024 |
129,000,000pld_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearNine / us-gaap_DebtInstrumentAxis = pld_WhollyOwnedMember / us-gaap_LongtermDebtTypeAxis = us-gaap_SecuredDebtMember |
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| Subtotal |
1,030,000,000us-gaap_DebtInstrumentFaceAmount / us-gaap_DebtInstrumentAxis = pld_WhollyOwnedMember / us-gaap_LongtermDebtTypeAxis = us-gaap_SecuredDebtMember |
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| Unamortized (discounts) premiums, net |
20,000,000us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet / us-gaap_DebtInstrumentAxis = pld_WhollyOwnedMember / us-gaap_LongtermDebtTypeAxis = us-gaap_SecuredDebtMember |
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| Total |
1,050,000,000us-gaap_LongTermDebt / us-gaap_DebtInstrumentAxis = pld_WhollyOwnedMember / us-gaap_LongtermDebtTypeAxis = us-gaap_SecuredDebtMember |
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| Consolidated Entities [Member] |
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| Debt Instrument [Line Items] |
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| 2015 |
114,000,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear / us-gaap_DebtInstrumentAxis = pld_ConsolidatedInvesteesMember |
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| 2016 |
446,000,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths / us-gaap_DebtInstrumentAxis = pld_ConsolidatedInvesteesMember |
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| 2017 |
206,000,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo / us-gaap_DebtInstrumentAxis = pld_ConsolidatedInvesteesMember |
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| 2018 |
166,000,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree / us-gaap_DebtInstrumentAxis = pld_ConsolidatedInvesteesMember |
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| 2019 |
1,000,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour / us-gaap_DebtInstrumentAxis = pld_ConsolidatedInvesteesMember |
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| 2020 |
189,000,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive / us-gaap_DebtInstrumentAxis = pld_ConsolidatedInvesteesMember |
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| 2021 |
1,000,000pld_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearSix / us-gaap_DebtInstrumentAxis = pld_ConsolidatedInvesteesMember |
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| 2022 |
1,000,000pld_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearSeven / us-gaap_DebtInstrumentAxis = pld_ConsolidatedInvesteesMember |
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| 2023 |
1,000,000pld_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearEight / us-gaap_DebtInstrumentAxis = pld_ConsolidatedInvesteesMember |
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| 2024 |
1,000,000pld_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearNine / us-gaap_DebtInstrumentAxis = pld_ConsolidatedInvesteesMember |
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| Thereafter |
3,000,000pld_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearNine / us-gaap_DebtInstrumentAxis = pld_ConsolidatedInvesteesMember |
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| Subtotal |
1,129,000,000us-gaap_DebtInstrumentFaceAmount / us-gaap_DebtInstrumentAxis = pld_ConsolidatedInvesteesMember |
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| Unamortized (discounts) premiums, net |
78,000,000us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet / us-gaap_DebtInstrumentAxis = pld_ConsolidatedInvesteesMember |
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| Total |
$ 1,207,000,000us-gaap_LongTermDebt / us-gaap_DebtInstrumentAxis = pld_ConsolidatedInvesteesMember |
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