| Net Income | 527.54 | 552.81 | 637.44 | 533.79 | 254.96 | |
| Depreciation & Amortization | 586.4 | 565.86 | 544 | 534.42 | 511.68 | |
| Other Amortization | 6.04 | 5.91 | 6.06 | 5.65 | 4.96 | |
| Gain (Loss) on Sale of Assets | -66.24 | 0.01 | -215.57 | -221.24 | -1.03 | |
| Gain (Loss) on Sale of Investments | -7.81 | -4.45 | 45.36 | -51.71 | -5.61 | |
| Stock-Based Compensation | 15.79 | 15.7 | 18.8 | 16.67 | 14.33 | |
| Change in Other Net Operating Assets | 3.79 | 4.86 | -16.06 | 55.93 | 38.17 | |
| Other Operating Activities | 32.78 | -3.5 | 38.45 | 21.47 | 6.49 | |
| Operating Cash Flow | 1,098 | 1,137 | 1,058 | 894.97 | 823.95 | |
| Operating Cash Flow Growth | -3.42% | 7.44% | 18.27% | 8.62% | 5.44% | |
| Acquisition of Real Estate Assets | -937.33 | -762.83 | -739.73 | -557.31 | -483.91 | |
| Sale of Real Estate Assets | 84.21 | 2.95 | 320.49 | 293.07 | 2.62 | |
| Net Sale / Acq. of Real Estate Assets | -853.12 | -759.88 | -419.24 | -264.23 | -481.29 | |
| Investment in Marketable & Equity Securities | 7.43 | -16.32 | -13.31 | -4.17 | -5 | |
| Other Investing Activities | 20.2 | 0.95 | 27.31 | 14.82 | 1.56 | |
| Investing Cash Flow | -825.5 | -775.26 | -405.24 | -253.59 | -484.73 | |
| Short-Term Debt Issued | - | 475 | 20 | - | 357 | |
| Long-Term Debt Issued | 1,092 | - | - | 594.42 | 447.59 | |
| Total Debt Issued | 1,092 | 475 | 20 | 594.42 | 804.59 | |
| Short-Term Debt Repaid | -245 | - | - | -172 | -255 | |
| Long-Term Debt Repaid | -400 | -353.86 | -126.4 | -467.15 | -441.11 | |
| Total Debt Repaid | -645 | -353.86 | -126.4 | -639.15 | -696.11 | |
| Net Debt Issued (Repaid) | 446.65 | 121.14 | -106.4 | -44.73 | 108.49 | |
| Issuance of Common Stock | 1.23 | 205.07 | 1.08 | 0.65 | - | |
| Common Dividends Paid | -686.9 | -651.72 | -539.61 | -470.4 | -457.36 | |
| Preferred Dividends Paid | -3.69 | -3.69 | -3.69 | -3.69 | -3.69 | |
| Total Dividends Paid | -690.59 | -655.41 | -543.29 | -474.09 | -461.04 | |
| Other Financing Activities | -28.41 | -38.71 | -74.16 | -28.22 | -21.59 | |
| Net Cash Flow | 1.67 | -5.98 | -69.53 | 94.98 | -34.93 | |
| Cash Interest Paid | 164.88 | 157.57 | 157.5 | 158.63 | 165.1 | |
| Cash Income Tax Paid | 3.34 | 4 | 3.49 | 2.54 | 2.55 | |
| Levered Free Cash Flow | 964.17 | 945.53 | 973.2 | 745.46 | 787.96 | |
| Unlevered Free Cash Flow | 1,063 | 1,033 | 1,064 | 837.86 | 887.72 | |
| Change in Net Working Capital | -50.82 | -20.78 | -108.01 | 3.76 | -94.52 | |