| In millions, except per share items | Dec-31-22 | Sep-30-22 | Jun-30-22 | Mar-31-22 | Dec-31-21 | Sep-30-21 | Jun-30-21 | Mar-31-21 |
| | 10-K | 10-Q | 10-Q | 10-Q | 10-K | 10-Q | 10-Q | 10-Q |
| Operating activities: | | | | | | | | |
| Consolidated net earnings | 620.1 | 1,069.2 | 646.4 | 1,219.7 | 1,300.9 | 797.7 | 650.3 | 399.7 |
| Adjustments to reconcile net earnings to net cash from operating activities: | | | | | | | | |
| Straight-lined rents and amortization of above and below market leases | -267.7 | 72.7 | | -37.4 | -148.2 | 72.9 | -36.3 | -36.7 |
| Equity-based compensation awards | 35.3 | 61.7 | | 41.4 | 28.6 | 25.9 | 23.9 | 34.6 |
| Depreciation and amortization | 612.4 | 401.5 | 402.3 | 396.6 | 396.8 | 390.8 | 392.7 | 397.6 |
| Earnings from unconsolidated entities, net | -69.4 | -84.9 | -79.6 | -77.0 | -173.0 | -91.8 | -72.4 | -67.0 |
| Operating distributions from unconsolidated entities | -262.2 | 520.2 | | 110.0 | -238.2 | 493.7 | 89.3 | 153.6 |
| Decrease (increase) in operating receivables from unconsolidated entities | -63.9 | 35.0 | | -0.8 | -14.2 | -6.6 | 6.6 | 4.3 |
| Amortization of debt discounts and debt issuance costs, net | 16.9 | 2.6 | | 2.0 | 2.0 | 2.5 | 2.1 | 2.1 |
| Gains on dispositions of development properties and land, net | -597.7 | 316.0 | -105.8 | -210.2 | -817.0 | 361.0 | -187.4 | -173.6 |
| Gains on other dispositions of investments in real estate, net | -589.4 | 584.8 | | -584.8 | -772.6 | 143.8 | -127.2 | -16.6 |
| Unrealized foreign currency and derivative losses (gains), net | 147.4 | -84.7 | | -33.3 | -22.6 | -67.1 | -1.7 | -81.7 |
| Losses on early extinguishment of debt, net | 1.3 | | 0.7 | 18.2 | | | | 187.5 |
| Deferred income tax expense | -11.1 | 6.2 | | 7.5 | -8.7 | -3.8 | 12.7 | 1.2 |
| Increase in accounts receivable and other assets | -214.6 | 43.5 | | 107.7 | -104.9 | -229.0 | -63.0 | 68.4 |
| Increase in accounts payable and accrued expenses and other liabilities | -0.7 | 220.6 | | -103.8 | -29.4 | 252.9 | -27.8 | -18.8 |
| Net cash provided by operating activities | 1,277.6 | 1,203.3 | 969.9 | 841.5 | 716.1 | 814.1 | 649.2 | 816.7 |
| |
| Investing activities: | | | | | | | | |
| Real estate development | -886.6 | -769.8 | | -639.6 | -869.5 | -773.0 | -574.9 | -422.4 |
| Real estate acquisitions | -259.8 | -362.9 | | -451.3 | -1,123.5 | -366.4 | -604.1 | -226.5 |
| Transaction, net of cash acquired | | | | | | | | |
| Tenant improvements and lease commissions on previously leased space | -339.2 | 175.5 | | -85.0 | -329.1 | 148.0 | -76.9 | -71.1 |
| Property improvements | -211.4 | 55.8 | | -18.3 | -169.9 | 41.1 | -33.1 | -8.1 |
| Proceeds from dispositions and contributions of real estate | | -1,653.6 | | 1,495.3 | | -1,829.6 | 1,829.6 | 727.6 |
| Investments in and advances to unconsolidated entities | | | | | | | | |
| Return of investment from unconsolidated entities | -262.2 | 520.2 | | 110.0 | -238.2 | 493.7 | 89.3 | 153.6 |
| Proceeds from repayment of notes receivable backed by real estate | | | | | | | | |
| Proceeds from the settlement of net investment hedges | | -26.5 | | 3.7 | | | | |
| Payments on the settlement of net investment hedges | -2.7 | | | -0.8 | | -8.5 | -5.5 | -2.5 |
| Net cash used in investing activities | -1,287.6 | -1,252.5 | | 283.4 | -1,093.5 | -380.6 | -408.9 | -107.1 |
| |
| Financing activities: | | | | | | | | |
| Proceeds from issuance of common stock/units | | | | | | | 0.0 | 0.7 |
| Repurchase and retirement of common stock | | | | | | | | |
| Dividends/distributions paid on common and preferred stock/units | -732.0 | -587.6 | | -587.4 | -468.5 | -468.2 | -468.2 | -468.0 |
| Noncontrolling interests contributions | 1.4 | 0.8 | | 0.4 | 67.0 | 3.0 | 4.2 | 0.1 |
| Noncontrolling interests distributions | -270.1 | 166.3 | | -129.5 | -375.1 | 102.8 | -55.1 | -47.7 |
| Settlement of noncontrolling interests | -36.5 | -2.5 | | -26.3 | -15.1 | -32.6 | -74.2 | -31.4 |
| Redemption of common limited partnership units | | | | | | | | |
| Tax paid with shares withheld | -2.3 | -1.5 | | -22.6 | -1.4 | -1.0 | -0.5 | -17.0 |
| Tax paid for shares of the Parent withheld | | | | | | | | |
| Debt and equity issuance costs paid | -13.7 | -3.8 | | -8.1 | -1.3 | -1.5 | -8.8 | -11.7 |
| Net proceeds from (payments on) credit facilities | -2,498.8 | 4,496.9 | | 1,841.5 | -1,588.1 | 3,061.5 | 2,562.9 | 2,029.8 |
| Repurchase of and payments on debt | -1,381.0 | 751.1 | | -333.0 | -2,560.2 | 2,185.2 | -253.2 | -1,932.0 |
| Proceeds from the issuance of debt | -2,498.8 | 4,496.9 | | 1,841.5 | -1,588.1 | 3,061.5 | 2,562.9 | 2,029.8 |
| Net cash provided by (used in) financing activities | -371.5 | 258.3 | | 242.5 | 350.5 | -443.8 | -322.7 | -592.3 |
| Effect of foreign currency exchange rate changes on cash | -20.8 | 34.0 | | | -39.6 | 31.6 | -31.6 | |