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Financial Instruments and Fair Value Measurements - Derivative Activity (Detail)
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12 Months Ended |
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Dec. 31, 2013
USD ($)
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Dec. 31, 2012
USD ($)
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Dec. 31, 2014
Euro Options Contracts [Member]
Foreign Currency Contracts [Member]
USD ($)
Derivative
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Dec. 31, 2014
Euro Options Contracts [Member]
Foreign Currency Contracts [Member]
EUR (€)
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Dec. 31, 2014
Euro Forward Contracts [Member]
Foreign Currency Contracts [Member]
USD ($)
Derivative
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Dec. 31, 2014
Euro Forward Contracts [Member]
Foreign Currency Contracts [Member]
EUR (€)
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Dec. 31, 2013
Euro Forward Contracts [Member]
Foreign Currency Contracts [Member]
USD ($)
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Dec. 31, 2013
Euro Forward Contracts [Member]
Foreign Currency Contracts [Member]
EUR (€)
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Dec. 31, 2012
Euro Forward Contracts [Member]
Foreign Currency Contracts [Member]
USD ($)
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Dec. 31, 2012
Euro Forward Contracts [Member]
Foreign Currency Contracts [Member]
EUR (€)
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Dec. 31, 2014
Interest Rate Swaps [Member]
USD ($)
Derivative
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Dec. 31, 2013
Interest Rate Swaps [Member]
USD ($)
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Dec. 31, 2012
Interest Rate Swaps [Member]
USD ($)
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Dec. 31, 2014
Yen Forward Contracts [Member]
Foreign Currency Contracts [Member]
USD ($)
Derivative
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Dec. 31, 2014
Yen Forward Contracts [Member]
Foreign Currency Contracts [Member]
JPY (¥)
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Dec. 31, 2013
Yen Forward Contracts [Member]
Foreign Currency Contracts [Member]
USD ($)
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Dec. 31, 2013
Yen Forward Contracts [Member]
Foreign Currency Contracts [Member]
JPY (¥)
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Dec. 31, 2014
GBP Forward Contracts [Member]
Foreign Currency Contracts [Member]
USD ($)
Derivative
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Dec. 31, 2014
GBP Forward Contracts [Member]
Foreign Currency Contracts [Member]
GBP (£)
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| Derivative [Line Items] |
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| Notional amounts at January 1 |
$ 333,500,000invest_DerivativeNotionalAmount |
$ 445,400,000invest_DerivativeNotionalAmount |
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$ 800,000,000invest_DerivativeNotionalAmount
/ us-gaap_DerivativeByNatureAxis
= pld_EuroForwardContractsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember |
€ 600,000,000invest_DerivativeNotionalAmount
/ us-gaap_DerivativeByNatureAxis
= pld_EuroForwardContractsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember |
$ 1,304,000,000invest_DerivativeNotionalAmount
/ us-gaap_DerivativeByNatureAxis
= pld_EuroForwardContractsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember |
€ 1,000,000,000invest_DerivativeNotionalAmount
/ us-gaap_DerivativeByNatureAxis
= pld_EuroForwardContractsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember |
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$ 71,000,000invest_DerivativeNotionalAmount
/ us-gaap_DerivativeByNatureAxis
= us-gaap_InterestRateSwapMember |
$ 1,315,000,000invest_DerivativeNotionalAmount
/ us-gaap_DerivativeByNatureAxis
= us-gaap_InterestRateSwapMember |
$ 1,497,000,000invest_DerivativeNotionalAmount
/ us-gaap_DerivativeByNatureAxis
= us-gaap_InterestRateSwapMember |
$ 250,000,000invest_DerivativeNotionalAmount
/ us-gaap_DerivativeByNatureAxis
= pld_YenForwardContractsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember |
¥ 24,136,000,000invest_DerivativeNotionalAmount
/ us-gaap_DerivativeByNatureAxis
= pld_YenForwardContractsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember |
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| New contracts |
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464,000,000pld_NewContracts
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember
/ us-gaap_OptionIndexedToIssuersEquityTypeAxis
= pld_EuroPutOptionsMember |
365,000,000pld_NewContracts
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember
/ us-gaap_OptionIndexedToIssuersEquityTypeAxis
= pld_EuroPutOptionsMember |
2,354,000,000pld_NewContracts
/ us-gaap_DerivativeByNatureAxis
= pld_EuroForwardContractsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember |
1,746,000,000pld_NewContracts
/ us-gaap_DerivativeByNatureAxis
= pld_EuroForwardContractsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember |
800,000,000pld_NewContracts
/ us-gaap_DerivativeByNatureAxis
= pld_EuroForwardContractsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember |
600,000,000pld_NewContracts
/ us-gaap_DerivativeByNatureAxis
= pld_EuroForwardContractsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember |
1,304,000,000pld_NewContracts
/ us-gaap_DerivativeByNatureAxis
= pld_EuroForwardContractsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember |
1,000,000,000pld_NewContracts
/ us-gaap_DerivativeByNatureAxis
= pld_EuroForwardContractsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember |
398,000,000pld_NewContracts
/ us-gaap_DerivativeByNatureAxis
= us-gaap_InterestRateSwapMember |
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445,000,000pld_NewContracts
/ us-gaap_DerivativeByNatureAxis
= us-gaap_InterestRateSwapMember |
769,000,000pld_NewContracts
/ us-gaap_DerivativeByNatureAxis
= pld_YenForwardContractsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember |
79,010,000,000pld_NewContracts
/ us-gaap_DerivativeByNatureAxis
= pld_YenForwardContractsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember |
250,000,000pld_NewContracts
/ us-gaap_DerivativeByNatureAxis
= pld_YenForwardContractsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember |
24,136,000,000pld_NewContracts
/ us-gaap_DerivativeByNatureAxis
= pld_YenForwardContractsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember |
400,000,000pld_NewContracts
/ us-gaap_DerivativeByNatureAxis
= pld_GbpForwardContractsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember |
238,000,000pld_NewContracts
/ us-gaap_DerivativeByNatureAxis
= pld_GbpForwardContractsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember |
| Acquired contracts |
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71,000,000pld_AcquiredContracts
/ us-gaap_DerivativeByNatureAxis
= us-gaap_InterestRateSwapMember |
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| Matured or expired contracts |
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(110,000,000)pld_MaturedOrExpiredDerivativeContracts
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember
/ us-gaap_OptionIndexedToIssuersEquityTypeAxis
= pld_EuroPutOptionsMember |
(81,000,000)pld_MaturedOrExpiredDerivativeContracts
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember
/ us-gaap_OptionIndexedToIssuersEquityTypeAxis
= pld_EuroPutOptionsMember |
(2,754,000,000)pld_MaturedOrExpiredDerivativeContracts
/ us-gaap_DerivativeByNatureAxis
= pld_EuroForwardContractsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember |
(2,046,000,000)pld_MaturedOrExpiredDerivativeContracts
/ us-gaap_DerivativeByNatureAxis
= pld_EuroForwardContractsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember |
(1,304,000,000)pld_MaturedOrExpiredDerivativeContracts
/ us-gaap_DerivativeByNatureAxis
= pld_EuroForwardContractsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember |
(1,000,000,000)pld_MaturedOrExpiredDerivativeContracts
/ us-gaap_DerivativeByNatureAxis
= pld_EuroForwardContractsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember |
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(71,000,000)pld_MaturedOrExpiredDerivativeContracts
/ us-gaap_DerivativeByNatureAxis
= us-gaap_InterestRateSwapMember |
(1,244,000,000)pld_MaturedOrExpiredDerivativeContracts
/ us-gaap_DerivativeByNatureAxis
= us-gaap_InterestRateSwapMember |
(698,000,000)pld_MaturedOrExpiredDerivativeContracts
/ us-gaap_DerivativeByNatureAxis
= us-gaap_InterestRateSwapMember |
(769,000,000)pld_MaturedOrExpiredDerivativeContracts
/ us-gaap_DerivativeByNatureAxis
= pld_YenForwardContractsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember |
(79,010,000,000)pld_MaturedOrExpiredDerivativeContracts
/ us-gaap_DerivativeByNatureAxis
= pld_YenForwardContractsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember |
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| Notional amounts at December 31 |
$ 333,500,000invest_DerivativeNotionalAmount |
$ 445,400,000invest_DerivativeNotionalAmount |
$ 354,000,000invest_DerivativeNotionalAmount
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember
/ us-gaap_OptionIndexedToIssuersEquityTypeAxis
= pld_EuroPutOptionsMember |
€ 284,000,000invest_DerivativeNotionalAmount
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember
/ us-gaap_OptionIndexedToIssuersEquityTypeAxis
= pld_EuroPutOptionsMember |
$ 400,000,000invest_DerivativeNotionalAmount
/ us-gaap_DerivativeByNatureAxis
= pld_EuroForwardContractsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember |
€ 300,000,000invest_DerivativeNotionalAmount
/ us-gaap_DerivativeByNatureAxis
= pld_EuroForwardContractsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember |
$ 800,000,000invest_DerivativeNotionalAmount
/ us-gaap_DerivativeByNatureAxis
= pld_EuroForwardContractsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember |
€ 600,000,000invest_DerivativeNotionalAmount
/ us-gaap_DerivativeByNatureAxis
= pld_EuroForwardContractsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember |
$ 1,304,000,000invest_DerivativeNotionalAmount
/ us-gaap_DerivativeByNatureAxis
= pld_EuroForwardContractsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember |
€ 1,000,000,000invest_DerivativeNotionalAmount
/ us-gaap_DerivativeByNatureAxis
= pld_EuroForwardContractsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember |
$ 398,000,000invest_DerivativeNotionalAmount
/ us-gaap_DerivativeByNatureAxis
= us-gaap_InterestRateSwapMember |
$ 71,000,000invest_DerivativeNotionalAmount
/ us-gaap_DerivativeByNatureAxis
= us-gaap_InterestRateSwapMember |
$ 1,315,000,000invest_DerivativeNotionalAmount
/ us-gaap_DerivativeByNatureAxis
= us-gaap_InterestRateSwapMember |
$ 250,000,000invest_DerivativeNotionalAmount
/ us-gaap_DerivativeByNatureAxis
= pld_YenForwardContractsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember |
¥ 24,136,000,000invest_DerivativeNotionalAmount
/ us-gaap_DerivativeByNatureAxis
= pld_YenForwardContractsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember |
$ 250,000,000invest_DerivativeNotionalAmount
/ us-gaap_DerivativeByNatureAxis
= pld_YenForwardContractsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember |
¥ 24,136,000,000invest_DerivativeNotionalAmount
/ us-gaap_DerivativeByNatureAxis
= pld_YenForwardContractsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember |
$ 400,000,000invest_DerivativeNotionalAmount
/ us-gaap_DerivativeByNatureAxis
= pld_GbpForwardContractsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember |
£ 238,000,000invest_DerivativeNotionalAmount
/ us-gaap_DerivativeByNatureAxis
= pld_GbpForwardContractsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember |
| Active contracts at December 31 |
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8,000,000pld_NumberOfOutstandingDerivativeContracts
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember
/ us-gaap_OptionIndexedToIssuersEquityTypeAxis
= pld_EuroPutOptionsMember |
8,000,000pld_NumberOfOutstandingDerivativeContracts
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember
/ us-gaap_OptionIndexedToIssuersEquityTypeAxis
= pld_EuroPutOptionsMember |
4,000,000pld_NumberOfOutstandingDerivativeContracts
/ us-gaap_DerivativeByNatureAxis
= pld_EuroForwardContractsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember |
4,000,000pld_NumberOfOutstandingDerivativeContracts
/ us-gaap_DerivativeByNatureAxis
= pld_EuroForwardContractsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember |
|
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2,000,000pld_NumberOfOutstandingDerivativeContracts
/ us-gaap_DerivativeByNatureAxis
= us-gaap_InterestRateSwapMember |
|
|
3,000,000pld_NumberOfOutstandingDerivativeContracts
/ us-gaap_DerivativeByNatureAxis
= pld_YenForwardContractsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember |
3,000,000pld_NumberOfOutstandingDerivativeContracts
/ us-gaap_DerivativeByNatureAxis
= pld_YenForwardContractsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember |
|
|
3,000,000pld_NumberOfOutstandingDerivativeContracts
/ us-gaap_DerivativeByNatureAxis
= pld_GbpForwardContractsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember |
3,000,000pld_NumberOfOutstandingDerivativeContracts
/ us-gaap_DerivativeByNatureAxis
= pld_GbpForwardContractsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember |
| Weighted Average Forward Rate at December 31 |
|
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1.25us-gaap_DerivativeAverageForwardExchangeRate1
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember
/ us-gaap_OptionIndexedToIssuersEquityTypeAxis
= pld_EuroPutOptionsMember |
1.25us-gaap_DerivativeAverageForwardExchangeRate1
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember
/ us-gaap_OptionIndexedToIssuersEquityTypeAxis
= pld_EuroPutOptionsMember |
1.33us-gaap_DerivativeAverageForwardExchangeRate1
/ us-gaap_DerivativeByNatureAxis
= pld_EuroForwardContractsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember |
1.33us-gaap_DerivativeAverageForwardExchangeRate1
/ us-gaap_DerivativeByNatureAxis
= pld_EuroForwardContractsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember |
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96.54us-gaap_DerivativeAverageForwardExchangeRate1
/ us-gaap_DerivativeByNatureAxis
= pld_YenForwardContractsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember |
96.54us-gaap_DerivativeAverageForwardExchangeRate1
/ us-gaap_DerivativeByNatureAxis
= pld_YenForwardContractsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember |
|
|
1.68us-gaap_DerivativeAverageForwardExchangeRate1
/ us-gaap_DerivativeByNatureAxis
= pld_GbpForwardContractsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember |
1.68us-gaap_DerivativeAverageForwardExchangeRate1
/ us-gaap_DerivativeByNatureAxis
= pld_GbpForwardContractsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember |