| Dec 31, 2010 | Dec 31, 2011 | Dec 31, 2012 | Dec 31, 2013 | Dec 31, 2014 | Dec 31, 2015 | Dec 31, 2016 | Dec 31, 2017 | Dec 31, 2018 | Dec 31, 2019 | Dec 31, 2020 | Dec 31, 2021 | Dec 31, 2022 | Dec 31, 2023 | Dec 31, 2024 |
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| Net income | 696 | 836 | 943 | 1,058 | 1,150 | 1,318 | 1,460 | 1,448 | 1,717 | 1,526 | 1,361 | 1,960 | 4,366 | 2,160 | 2,084 |
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| Gain on sale of equity investment in PS Business Parks, Inc. | - | - | - | - | - | - | - | - | - | - | - | - | 2,129 | - | - |
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| Gain on sale of real estate | - | - | - | 4 | 2 | 19 | 1 | 1 | 38 | 0 | 1 | 14 | 2 | 17 | 2 |
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| Depreciation and amortization | - | - | - | - | - | - | 433 | 455 | 484 | 513 | 553 | 713 | 888 | 970 | 1,130 |
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| Equity in earnings of unconsolidated real estate entities | 38 | 59 | 46 | 58 | 88 | 51 | 57 | 76 | 103 | 70 | 80 | 232 | 107 | 28 | 20 |
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| Proceeds from Equity Method Investment, Distribution | - | - | - | - | - | - | - | - | - | - | - | - | 135 | 29 | 11 |
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| Unrealized foreign currency exchange (gain) loss | - | - | - | - | - | - | - | - | - | - | - | - | - | -51 | 102 |
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| Share-based compensation expense | - | - | - | - | - | - | 37 | 38 | 70 | 26 | 33 | 60 | 57 | 42 | 45 |
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| Other non-cash adjustments | - | - | - | - | - | - | - | - | - | - | - | - | - | 21 | 11 |
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| Other assets | - | - | - | - | - | - | - | - | - | - | - | - | - | 16 | 45 |
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| Accrued and other liabilities | - | - | - | - | - | - | - | - | - | - | - | - | - | 35 | 15 |
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| Net cash flows from operating activities | 1,093 | 1,203 | 1,286 | 1,430 | - | - | - | 1,976 | 2,062 | 2,068 | 2,043 | 2,544 | 3,117 | 3,247 | 3,128 |
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| Capital expenditures to maintain real estate facilities | - | - | - | - | - | - | - | - | - | - | 170 | 270 | 460 | 237 | 240 |
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| Capital expenditures for property enhancements | - | - | - | - | - | - | - | - | - | - | - | - | - | 160 | 127 |
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| Capital expenditures for energy efficiencies (LED lighting, solar) | - | - | - | - | - | - | - | - | - | - | - | - | - | 65 | 54 |
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| Development and expansion of real estate facilities | - | - | - | - | - | - | - | - | - | - | - | - | - | 364 | 327 |
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| Acquisition of real estate facilities and intangible assets | 108 | 77 | 226 | 1,151 | 410 | 177 | 416 | 285 | 181 | 438 | 792 | 5,047 | 758 | 473 | 267 |
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| Acquisition of BREIT Simply Storage LLC, net of cash acquired | - | - | - | - | - | - | - | - | - | - | - | - | - | 2,178 | - |
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| Issuance of notes receivable | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 10 |
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| Proceeds from Equity Method Investment, Distribution, Return of Capital | - | - | - | - | - | - | - | - | - | - | - | - | - | 11 | 13 |
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| Contributions to unconsolidated real estate entity | - | - | - | 105 | - | - | - | - | - | - | - | - | - | 113 | - |
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| Proceeds from sale of real estate investments | - | - | - | - | - | 15 | 1 | 6 | 54 | 1 | 2 | 16 | 2 | 40 | 8 |
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| Proceeds from Sale of Equity Method Investments | - | - | - | - | - | - | - | - | - | - | - | - | 2,636 | - | - |
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| Net cash flows (used in) from investing activities | -267 | -81 | -290 | -1,412 | - | - | - | -740 | -514 | -897 | -1,118 | -5,564 | 1,120 | -3,539 | -1,003 |
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| Issuance costs on amendment of credit facility | - | - | - | - | - | - | - | - | - | - | - | - | - | 8 | - |
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| Repayments of notes payable | - | 174 | 61 | 252 | 44 | 17 | 36 | 2 | 2 | 2 | 2 | 2 | 513 | 8 | 809 |
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| Proceeds from Issuance of Unsecured Debt | - | - | - | - | - | 264 | 114 | 992 | - | 497 | 545 | 5,039 | - | 2,181 | 1,151 |
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| Issuance of preferred shares | - | 836 | 1,651 | 702 | 739 | - | 1,136 | - | - | 1,059 | 1,208 | 1,147 | 243 | - | - |
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| Issuance of common shares | 41 | 26 | 124 | 21 | 38 | 30 | 26 | 43 | 13 | 34 | 13 | 96 | 35 | 53 | 60 |
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| Issuance of common shares in connection with share-based compensation | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 47 |
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| Taxes paid upon net share settlement of restricted share units | - | - | - | - | - | - | - | - | - | - | - | - | 17 | 14 | 13 |
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| Repurchase of common shares | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 200 |
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| Acquisition of noncontrolling interests | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 2 |
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| Proceeds from Noncontrolling Interests | - | - | - | - | - | 2 | 3 | 2 | 2 | 4 | 3 | 2 | 2 | 3 | 3 |
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| Distributions paid to preferred shareholders, common shareholders, restricted share unitholders and unvested LTIP unitholders | 755 | 846 | 959 | 1,091 | 1,201 | 1,371 | 1,506 | 1,630 | 1,613 | 1,609 | 1,606 | 1,589 | 3,908 | 2,305 | 2,302 |
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| Distributions paid to noncontrolling interests | - | 14 | 6 | 6 | 6 | 7 | 8 | 7 | 7 | 7 | 5 | 7 | 34 | 15 | 15 |
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| Net cash flows used in financing activities | -1,133 | -1,439 | -1,117 | -16 | - | - | - | -992 | -1,620 | -1,121 | -1,076 | 3,498 | -4,193 | -113 | -2,079 |
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| Net increase (decrease) in cash and equivalents, including restricted cash | - | - | - | - | - | - | - | 244 | -72 | 50 | -151 | 479 | 44 | -405 | 47 |
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| Capital expenditures to maintain real estate facilities | - | - | - | - | - | - | - | - | - | - | - | -23 | -15 | -11 | -7 |
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| Capital expenditures for property enhancements | - | - | - | - | - | - | - | - | - | - | - | - | - | -3 | -1 |
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| Capital expenditures for energy efficiencies (LED lighting, solar) | - | - | - | - | - | - | - | - | - | - | - | - | - | -0 | -1 |
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| Construction or expansion of real estate facilities | - | - | - | - | - | - | - | - | - | - | - | - | - | 68 | 47 |
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| Real estate acquired in exchange for noncontrolling interests | - | - | - | - | - | - | - | - | - | - | - | -68 | -20 | - | - |
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| Cash paid for interest, net of amounts capitalized | - | - | - | - | - | - | - | - | - | - | - | - | - | 146 | 269 |
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| Income Taxes Paid, Net | - | - | - | - | - | - | - | - | - | - | - | - | - | 11 | 7 |
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