v3.8.0.1
Unconsolidated Entities - Summary of Remaining Equity Commitments (Detail)
$ in Millions
 9 Months Ended
Sep. 30, 2017
USD ($)
Schedule Of Equity Method Investments [Line Items]  
Remaining equity commitments $ 3,021
Prologis Targeted U S Logistics Fund [Member]  
Schedule Of Equity Method Investments [Line Items]  
Remaining equity commitments $ 195
Expiration date for remaining commitments range start 2019
Prologis Targeted European Logistics Fund [Member]  
Schedule Of Equity Method Investments [Line Items]  
Remaining equity commitments $ 623 [1]
Expiration date for remaining commitments range start 2018 [1]
Expiration date for remaining commitments range end 2019 [1]
Prologis U.K. Logistics Venture [Member]  
Schedule Of Equity Method Investments [Line Items]  
Remaining equity commitments $ 244 [2]
Expiration date for remaining commitments range start 2021 [2]
Prologis China Logistics Venture [Member]  
Schedule Of Equity Method Investments [Line Items]  
Remaining equity commitments $ 1,959
Expiration date for remaining commitments range start 2020
Expiration date for remaining commitments range end 2024
Prologis Inc [Member]  
Schedule Of Equity Method Investments [Line Items]  
Remaining equity commitments $ 331
Prologis Inc [Member] | Prologis Targeted U S Logistics Fund [Member]  
Schedule Of Equity Method Investments [Line Items]  
Remaining equity commitments 0
Prologis Inc [Member] | Prologis Targeted European Logistics Fund [Member]  
Schedule Of Equity Method Investments [Line Items]  
Remaining equity commitments 0 [1]
Prologis Inc [Member] | Prologis U.K. Logistics Venture [Member]  
Schedule Of Equity Method Investments [Line Items]  
Remaining equity commitments 37 [2]
Prologis Inc [Member] | Prologis China Logistics Venture [Member]  
Schedule Of Equity Method Investments [Line Items]  
Remaining equity commitments 294
Venture Partners [Member]  
Schedule Of Equity Method Investments [Line Items]  
Remaining equity commitments 2,690
Venture Partners [Member] | Prologis Targeted U S Logistics Fund [Member]  
Schedule Of Equity Method Investments [Line Items]  
Remaining equity commitments 195
Venture Partners [Member] | Prologis Targeted European Logistics Fund [Member]  
Schedule Of Equity Method Investments [Line Items]  
Remaining equity commitments 623 [1]
Venture Partners [Member] | Prologis U.K. Logistics Venture [Member]  
Schedule Of Equity Method Investments [Line Items]  
Remaining equity commitments 207 [2]
Venture Partners [Member] | Prologis China Logistics Venture [Member]  
Schedule Of Equity Method Investments [Line Items]  
Remaining equity commitments $ 1,665
[1] Equity commitments are denominated in euro and reported in U.S. dollars based on an exchange rate of $1.18 U.S. dollars to the euro.
[2] Equity commitments are denominated in British pounds sterling and reported in U.S. dollars based on an exchange rate of $1.34 U.S. dollars to the British pound sterling.