v2.4.1.9

Debt - Schedule of Senior Notes (Detail) In Thousands, unless otherwise specified		12 Months Ended
	Dec. 31, 2014 USD ($)	Dec. 31, 2014 February 2014 [Member] USD ($)	Dec. 31, 2014 February 2014 [Member] EUR (€)	Dec. 31, 2014 June 2014 [Member] USD ($)	Dec. 31, 2014 June 2014 [Member] EUR (€)	Dec. 31, 2014 October 2014 [Member] USD ($)	Dec. 31, 2014 October 2014 [Member] EUR (€)	Dec. 31, 2013 August 2013 [Member] Senior Note One [Member] USD ($)	Dec. 31, 2013 August 2013 [Member] Senior Note Two [Member] USD ($)	Dec. 31, 2013 November 2013 [Member] USD ($)	Dec. 31, 2013 December 2013 [Member] USD ($)	Dec. 31, 2013 December 2013 [Member] EUR (€)
Line Of Credit Facility Covenant Compliance [Line Items]
Principal Amount	$ 9,293,000us-gaap_DebtInstrumentFaceAmount	$ 959,420us-gaap_DebtInstrumentFaceAmount / us-gaap_LongtermDebtTypeAxis = pld_FebruaryTwoThousandFourteenMember	€ 700,000us-gaap_DebtInstrumentFaceAmount / us-gaap_LongtermDebtTypeAxis = pld_FebruaryTwoThousandFourteenMember	$ 680,550us-gaap_DebtInstrumentFaceAmount / us-gaap_LongtermDebtTypeAxis = pld_JuneTwoThousandFourteenMember	€ 500,000us-gaap_DebtInstrumentFaceAmount / us-gaap_LongtermDebtTypeAxis = pld_JuneTwoThousandFourteenMember	$ 756,420us-gaap_DebtInstrumentFaceAmount / us-gaap_LongtermDebtTypeAxis = pld_OctoberTwoThousandFourteenMember	€ 600,000us-gaap_DebtInstrumentFaceAmount / us-gaap_LongtermDebtTypeAxis = pld_OctoberTwoThousandFourteenMember	$ 400,000us-gaap_DebtInstrumentFaceAmount / us-gaap_DebtInstrumentAxis = pld_SeniorNoteOneMember / us-gaap_LongtermDebtTypeAxis = pld_AugustTwoThousandThirteenMember	$ 850,000us-gaap_DebtInstrumentFaceAmount / us-gaap_DebtInstrumentAxis = pld_SeniorNoteTwoMember / us-gaap_LongtermDebtTypeAxis = pld_AugustTwoThousandThirteenMember	$ 500,000us-gaap_DebtInstrumentFaceAmount / us-gaap_LongtermDebtTypeAxis = pld_NovemberTwoThousandThirteenMember	$ 950,500us-gaap_DebtInstrumentFaceAmount / us-gaap_LongtermDebtTypeAxis = pld_DecemberTwoThousandThirteenMember	€ 700,000us-gaap_DebtInstrumentFaceAmount / us-gaap_LongtermDebtTypeAxis = pld_DecemberTwoThousandThirteenMember
Interest Rate		3.375%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_LongtermDebtTypeAxis = pld_FebruaryTwoThousandFourteenMember	3.375%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_LongtermDebtTypeAxis = pld_FebruaryTwoThousandFourteenMember	3.00%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_LongtermDebtTypeAxis = pld_JuneTwoThousandFourteenMember	3.00%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_LongtermDebtTypeAxis = pld_JuneTwoThousandFourteenMember	1.375%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_LongtermDebtTypeAxis = pld_OctoberTwoThousandFourteenMember	1.375%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_LongtermDebtTypeAxis = pld_OctoberTwoThousandFourteenMember	2.75%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = pld_SeniorNoteOneMember / us-gaap_LongtermDebtTypeAxis = pld_AugustTwoThousandThirteenMember	4.25%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = pld_SeniorNoteTwoMember / us-gaap_LongtermDebtTypeAxis = pld_AugustTwoThousandThirteenMember	3.35%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_LongtermDebtTypeAxis = pld_NovemberTwoThousandThirteenMember	3.00%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_LongtermDebtTypeAxis = pld_DecemberTwoThousandThirteenMember	3.00%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_LongtermDebtTypeAxis = pld_DecemberTwoThousandThirteenMember
Effective Interest Rate		3.52%us-gaap_DebtInstrumentInterestRateEffectivePercentage / us-gaap_LongtermDebtTypeAxis = pld_FebruaryTwoThousandFourteenMember	3.52%us-gaap_DebtInstrumentInterestRateEffectivePercentage / us-gaap_LongtermDebtTypeAxis = pld_FebruaryTwoThousandFourteenMember	3.10%us-gaap_DebtInstrumentInterestRateEffectivePercentage / us-gaap_LongtermDebtTypeAxis = pld_JuneTwoThousandFourteenMember	3.10%us-gaap_DebtInstrumentInterestRateEffectivePercentage / us-gaap_LongtermDebtTypeAxis = pld_JuneTwoThousandFourteenMember	1.40%us-gaap_DebtInstrumentInterestRateEffectivePercentage / us-gaap_LongtermDebtTypeAxis = pld_OctoberTwoThousandFourteenMember	1.40%us-gaap_DebtInstrumentInterestRateEffectivePercentage / us-gaap_LongtermDebtTypeAxis = pld_OctoberTwoThousandFourteenMember	2.76%us-gaap_DebtInstrumentInterestRateEffectivePercentage / us-gaap_DebtInstrumentAxis = pld_SeniorNoteOneMember / us-gaap_LongtermDebtTypeAxis = pld_AugustTwoThousandThirteenMember	4.28%us-gaap_DebtInstrumentInterestRateEffectivePercentage / us-gaap_DebtInstrumentAxis = pld_SeniorNoteTwoMember / us-gaap_LongtermDebtTypeAxis = pld_AugustTwoThousandThirteenMember	3.35%us-gaap_DebtInstrumentInterestRateEffectivePercentage / us-gaap_LongtermDebtTypeAxis = pld_NovemberTwoThousandThirteenMember	3.08%us-gaap_DebtInstrumentInterestRateEffectivePercentage / us-gaap_LongtermDebtTypeAxis = pld_DecemberTwoThousandThirteenMember	3.08%us-gaap_DebtInstrumentInterestRateEffectivePercentage / us-gaap_LongtermDebtTypeAxis = pld_DecemberTwoThousandThirteenMember
Maturity Date		2024-02	2024-02	2026-06	2026-06	2020-10	2020-10	2019-02	2023-08	2021-02	2022-01	2022-01

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Debt instrument maturity month and year.

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- Definition

Face (par) amount of debt instrument at time of issuance.

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-Name Accounting Standards Codification

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-SubTopic 30

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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Contractual interest rate for funds borrowed, under the debt agreement.

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