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Unconsolidated Entities - Summary of Operating Information and Financial Position of Unconsolidated Co-investment Ventures (Detail) - Unconsolidated Co-Investment Ventures [Member]
ft² in Millions, $ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2017
USD ($)
ft²
Property
Venture
Sep. 30, 2016
USD ($)
ft²
Property
Venture
Sep. 30, 2017
USD ($)
ft²
Property
Venture
Sep. 30, 2016
USD ($)
ft²
Property
Venture
Dec. 31, 2016
USD ($)
ft²
Property
Venture
Schedule Of Equity Method Investments [Line Items]          
Number of ventures | Venture 8 9 8 9 9
Number of operating properties owned | Property 1,557 1,348 1,557 1,348 1,367
Square feet | ft² 332 284 332 284 291
Total assets $ 28,092 $ 23,576 $ 28,092 $ 23,576 $ 23,057
Third-party debt 7,925 6,724 7,925 6,724 6,546
Total liabilities 9,486 8,196 9,486 8,196 7,876
Our investment balance [1] 5,119 4,423 5,119 4,423 $ 4,058
Revenues 581 486 1,589 1,452  
Net earnings $ 176 $ 138 $ 549 $ 392  
U.S. [Member]          
Schedule Of Equity Method Investments [Line Items]          
Number of ventures | Venture [2] 1 1 1 1 1
Number of operating properties owned | Property [2] 552 366 552 366 369
Square feet | ft² [2] 88 49 88 49 50
Total assets [2] $ 7,311 $ 4,167 $ 7,311 $ 4,167 $ 4,238
Third-party debt [2] 2,270 1,421 2,270 1,421 1,414
Total liabilities [2] 2,473 1,509 2,473 1,509 1,540
Our investment balance [1],[3] 1,393 514 1,393 514 $ 435
Revenues 160 100 369 296  
Net earnings $ 64 $ 11 $ 115 $ 47  
Other Americas [Member]          
Schedule Of Equity Method Investments [Line Items]          
Number of ventures | Venture [4] 1 2 1 2 2
Number of operating properties owned | Property [4] 203 209 203 209 213
Square feet | ft² [4] 37 41 37 41 42
Total assets [4] $ 2,107 $ 2,679 $ 2,107 $ 2,679 $ 2,793
Third-party debt [4] 727 671 727 671 739
Total liabilities [4] 761 754 761 754 814
Our investment balance [1],[4] 564 851 564 851 $ 845
Revenues 60 63 190 179  
Net earnings $ 19 $ 20 $ 58 $ 53  
Europe [Member]          
Schedule Of Equity Method Investments [Line Items]          
Number of ventures | Venture [5],[6] 4 4 4 4 4
Number of operating properties owned | Property [5],[6] 709 694 709 694 700
Square feet | ft² [5],[6] 167 160 167 160 163
Total assets [5],[6] $ 12,767 $ 11,291 $ 12,767 $ 11,291 $ 10,853
Third-party debt [5],[6] 2,742 2,628 2,742 2,628 2,446
Total liabilities [5],[6] 3,748 3,620 3,748 3,620 3,283
Our investment balance [1],[3],[5],[6] 2,649 2,565 2,649 2,565 $ 2,327
Revenues 266 232 758 724  
Net earnings $ 63 $ 77 $ 229 $ 218  
Asia [Member]          
Schedule Of Equity Method Investments [Line Items]          
Number of ventures | Venture 2 2 2 2 2
Number of operating properties owned | Property 93 79 93 79 85
Square feet | ft² 40 34 40 34 36
Total assets $ 5,907 $ 5,439 $ 5,907 $ 5,439 $ 5,173
Third-party debt 2,186 2,004 2,186 2,004 1,947
Total liabilities 2,504 2,313 2,504 2,313 2,239
Our investment balance [1] 513 493 513 493 $ 451
Revenues 95 91 272 253  
Net earnings $ 30 $ 30 $ 147 $ 74  
Weighted Average [Member]          
Schedule Of Equity Method Investments [Line Items]          
Ownership Percentage [7] 28.70% 28.90% 28.70% 28.90% 27.90%
Weighted Average [Member] | U.S. [Member]          
Schedule Of Equity Method Investments [Line Items]          
Ownership Percentage [3],[7] 27.10% 17.80% 27.10% 17.80% 14.90%
Weighted Average [Member] | Other Americas [Member]          
Schedule Of Equity Method Investments [Line Items]          
Ownership Percentage [4],[7] 42.90% 43.70% 42.90% 43.70% 43.90%
Weighted Average [Member] | Europe [Member]          
Schedule Of Equity Method Investments [Line Items]          
Ownership Percentage [3],[5],[6],[7] 33.20% 36.30% 33.20% 36.30% 35.10%
Weighted Average [Member] | Asia [Member]          
Schedule Of Equity Method Investments [Line Items]          
Ownership Percentage [7] 15.10% 15.00% 15.10% 15.00% 15.10%
[1] The difference between our ownership interest of a venture’s equity and our investment balance at September 30, 2017, and December 31, 2016, results principally from three types of transactions: (i) deferring a portion of the gains we recognize from a contribution of a real estate property to a venture ($667.7 million and $469.9 million, respectively); (ii) recording additional costs associated with our investment in a venture ($106.3 million and $124.1 million, respectively); and (iii) advances to a venture ($195.2 million and $166.1 million, respectively).
[2] In July 2017, we contributed operating properties to USLF. We received cash proceeds and additional units, which increased our ownership interest in USLF to 27.1%. See Note 2 for more information on this transaction.
[3] In April 2016, we redeemed a portion of our investment in PTELF and USLF for €185.0 million ($210.6 million) and $200.0 million, respectively. The amounts received for the redemptions were included in Return of Investment from Unconsolidated Entities in the Consolidated Financial Statements of Cash Flows.
[4] In August 2017, we acquired our partner’s interest in certain joint ventures in Brazil. See Note 2 for more information on this acquisition. Included in the Other Americas’ balances are nine properties aggregating 2.8 million square feet associated with the remaining Brazil joint ventures.
[5] In February 2017, we formed the Prologis UK Logistics Venture (“UKLV”), an unconsolidated co-investment venture in which we have a 15.0% ownership interest. UKLV will acquire land, develop buildings and operate and hold logistics real estate assets in the United Kingdom. Upon formation, we, along with our venture partner, committed £380.0 million ($508.9 million at September 30, 2017), of which our share is £57.0 million ($76.0 million at September 30, 2017). During the nine months ended September 30, 2017, we contributed 1.4 million square feet of stabilized properties, 0.6 million square feet of properties under development and 144.8 acres of land for an aggregate price of £269.5 million ($336.4 million). We expect to continue to contribute properties and land into UKLV
[6] In January 2017, we sold our investment in ELV to our fund partner for $84.3 million and ELV contributed its properties to PTELF in exchange for equity interests.
[7] Represents our weighted average ownership interest in all co-investment ventures based on each entity’s contribution of total assets, before depreciation, net of other liabilities.