| Fiscal period | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 |
| Period End Date | 12/31/2025 | 12/31/2024 | 12/31/2023 | 12/31/2022 | 12/31/2021 | 12/31/2020 | 12/31/2019 | 12/31/2018 | 12/31/2017 | 12/31/2016 |
| Rental income | 3,093.96 | 2,980.11 | 2,873.96 | 2,735.18 | 2,464.00 | 2,571.71 | 2,700.69 | 2,577.68 | 2,470.69 | 2,422.23 |
| Fee and asset management | -- | -- | -- | -- | -- | -- | 0.38 | 0.75 | 0.72 | 3.57 |
| Interest income - investment in mortgage notes | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Interest and other income | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Furniture income | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Total Revenues | 3,093.96 | 2,980.11 | 2,873.96 | 2,735.18 | 2,464.00 | 2,571.71 | 2,701.08 | 2,578.43 | 2,471.41 | 2,425.80 |
| Property and maintenance | 564.70 | 529.74 | 514.58 | 483.87 | 453.53 | 441.00 | 446.85 | 429.34 | 405.28 | 406.82 |
| Property management | 133.37 | 132.74 | 119.80 | 110.30 | 98.16 | 93.83 | 95.34 | 92.49 | 85.49 | 82.02 |
| Fee and asset management | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Real estate taxes and insurance | 450.45 | 432.09 | 412.11 | 388.41 | 397.11 | 381.56 | 366.14 | 357.81 | 335.50 | 317.39 |
| Depreciation | 1,010.40 | 952.19 | 888.71 | 882.17 | 838.27 | 820.83 | 831.08 | 785.73 | 743.75 | 705.65 |
| Amortization of goodwill | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| General and administrative | 65.28 | 61.65 | 60.72 | 58.71 | 56.51 | 48.31 | 52.76 | 53.81 | 52.22 | 57.84 |
| Impairment | -- | -- | -- | 0.00 | (16.77) | 0.00 | 0.00 | (0.70) | (1.69) | -- |
| Furniture expenses | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Impairment on technology investments | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Impairment on corporate housing business | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Impairment on furniture rental business | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Net gain (loss) on sales of real estate properties | 626.39 | 546.80 | 282.54 | 304.33 | 1,072.18 | 531.81 | 447.64 | -- | -- | -- |
| Operating Income (Loss) | -- | -- | 1,160.59 | 1,116.05 | 1,675.84 | 1,317.99 | 1,356.54 | 858.56 | 847.47 | 856.09 |
| Interest: Expense incurred, net | 306.80 | 285.74 | 269.56 | 282.92 | 272.47 | 365.07 | 390.08 | 413.36 | 383.89 | 482.25 |
| Interest: Amortization of deferred financing costs | 8.77 | 7.83 | 8.94 | 8.73 | 8.74 | 8.94 | 11.67 | 11.31 | 8.53 | 12.63 |
| Merger expenses | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Interest and other income | 52.44 | 30.33 | 22.35 | 2.19 | 25.67 | 5.94 | 2.82 | 15.32 | 6.14 | 65.77 |
| Other income (expenses) | (60.49) | (74.05) | (29.42) | (13.66) | (19.28) | (17.51) | (18.18) | (17.27) | (5.19) | (10.37) |
| Pre-Tax Income | 1,172.53 | 1,081.21 | 875.01 | 812.93 | 1,401.02 | 932.40 | 939.44 | 431.94 | 456.01 | 416.61 |
| Provision for Income Taxes - Total | 1.59 | 1.26 | 1.15 | 0.90 | 0.92 | 0.85 | (2.28) | 0.88 | 0.48 | 1.61 |
| Allocation to Minority Interests: Operating Partnership, net | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Allocation to Minority Interests: Preference Interests and Units | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Allocation to Minority Interests: Partially Owned Properties | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Allocation to Minority Interests: Junior Preference Units | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Gain (Loss) from investments in unconsolidated entities | (18.92) | (8.97) | (5.38) | (5.03) | (3.40) | (3.28) | 65.95 | (3.67) | (3.37) | 4.80 |
| Net gain on sales of unconsolidated entities | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Net gain (loss) on sales of land parcels | (0.08) | -- | -- | 0.00 | 0.01 | 34.23 | 2.04 | 0.99 | 19.17 | 15.73 |
| (Loss) from investments in unconsolidated entities due to merger expenses | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Premium on redemption of Preference Interests | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Net gain (loss) on sales of real estate | -- | -- | -- | -- | -- | -- | -- | 256.81 | 157.06 | 4,044.06 |
| Income from continuing operations | -- | -- | -- | -- | -- | -- | -- | 685.19 | 628.38 | 4,479.59 |
| Discontinued operations, net of minority interests | -- | -- | -- | -- | -- | -- | -- | 0.00 | 0.00 | 0.52 |
| Gain on sales of discontinued operations, net of minority interests | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Income before extraordinary items and cumulative effect of change in accounting principle | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Extroardinary Income (Loss) | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Cumulative effect of accounting change | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Consolidated net income (loss) | 1,151.95 | 1,070.98 | 868.49 | 807.00 | 1,396.71 | 962.50 | 1,009.71 | 685.19 | 628.38 | 4,480.10 |
| Noncontrolling Interests: Operating Partnership | 27.41 | 28.93 | 26.71 | 26.31 | 45.90 | 34.01 | 36.03 | 24.94 | 22.60 | 171.51 |
| Noncontrolling Interests: Preference Interests and Units | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Noncontrolling Interests: Partially Owned Properties | 4.46 | 6.21 | 6.34 | 3.77 | 17.96 | 14.86 | 3.30 | 2.72 | 2.32 | 16.43 |
| Preferred distributions | 1.42 | 1.61 | 3.09 | 3.09 | 3.09 | 3.09 | 3.09 | 3.09 | 3.09 | 3.09 |
| Premium on redemption of Preferred Shares | -- | 1.44 | -- | -- | -- | -- | -- | -- | 0.00 | 0.00 |
| Net income (loss) available to common shareholders | 1,118.67 | 1,032.77 | 832.35 | 773.82 | 1,329.76 | 910.55 | 967.29 | 654.45 | 600.36 | 4,289.07 |
| Net Income available to Common Shares-(Diluted factor) | -- | -- | -- | -- | -- | -- | 1,003.32 | 679.38 | 622.97 | 4,460.58 |
| Earnings Per Share (Basic) - Cont Ops | -- | -- | -- | -- | -- | -- | -- | 1.78 | 1.64 | 11.75 |
| Net Earnings Per Share (Basic) | 2.95 | 2.73 | 2.20 | 2.06 | 3.56 | 2.45 | 2.61 | 1.78 | 1.64 | 11.75 |
| Earnings Per Share (Diluted) - Cont Ops | -- | -- | -- | -- | -- | -- | -- | 1.77 | 1.63 | 11.68 |
| Net Earnings Per Share (Diluted) | 2.94 | 2.72 | 2.20 | 2.05 | 3.54 | 2.45 | 2.60 | 1.77 | 1.63 | 11.68 |
| Weighted Average Shares Outstanding (Basic) | 379.61 | 378.80 | 378.77 | 376.21 | 373.83 | 371.79 | 370.46 | 368.05 | 366.97 | 365.00 |
| Weighted Average Shares Outstanding (Diluted) | 390.41 | 390.74 | 390.90 | 389.45 | 388.09 | 385.87 | 386.33 | 383.70 | 382.68 | 381.99 |
| Funds from operations (FFO) | 1,538.58 | 1,469.71 | 1,464.03 | 1,373.92 | 1,150.63 | 1,238.15 | 1,311.06 | 1,204.87 | 1,204.90 | 1,123.53 |