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 | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Sep. 30, 2017
USD ($)
ft²
Property
Venture
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Sep. 30, 2016
USD ($)
ft²
Property
Venture
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Sep. 30, 2017
USD ($)
ft²
Property
Venture
|
Sep. 30, 2016
USD ($)
ft²
Property
Venture
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Dec. 31, 2016
USD ($)
ft²
Property
Venture
|
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| 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% | ||||||||||||||
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