| Net Income | 1,082 | 928.83 | 1,137 | 1,004 | 827.63 | |
| Depreciation & Amortization | 846.85 | 816.97 | 814.98 | 758.6 | 707.33 | |
| Other Amortization | 13.28 | 12.73 | 11.22 | 10.14 | 9.33 | |
| Gain (Loss) on Sale of Assets | -364.16 | -287.99 | -600.96 | -630.75 | -354.25 | |
| Gain (Loss) on Sale of Investments | - | - | -38.14 | - | -5.16 | |
| Asset Writedown | 18.34 | 33.48 | 5.6 | 0.69 | 9.26 | |
| Stock-Based Compensation | 25.37 | 27.14 | 33.86 | 25.51 | 21.6 | |
| Income (Loss) on Equity Investments | -21.69 | 5.33 | 43.4 | -0.11 | 13.83 | |
| Change in Other Net Operating Assets | 6.76 | 17.8 | 10.01 | 10 | -25.46 | |
| Other Operating Activities | 1.13 | 5.75 | 5.19 | 24.8 | 15.5 | |
| Operating Cash Flow | 1,608 | 1,560 | 1,422 | 1,203 | 1,220 | |
| Operating Cash Flow Growth | 3.07% | 9.71% | 18.18% | -1.35% | -7.73% | |
| Acquisition of Real Estate Assets | -1,149 | -1,099 | -1,096 | -808.1 | -980.94 | |
| Sale of Real Estate Assets | 711.28 | 467.1 | 1,051 | 974.76 | 821.81 | |
| Net Sale / Acq. of Real Estate Assets | -437.85 | -632.03 | -44.53 | 166.67 | -159.14 | |
| Cash Acquisition | -464.42 | -215.89 | -536.84 | -771.69 | - | |
| Investment in Marketable & Equity Securities | -3 | -13.39 | 37.2 | 9.64 | -24.93 | |
| Other Investing Activities | -91.6 | -67.65 | -16.25 | -28.66 | 4.64 | |
| Investing Cash Flow | -996.86 | -928.96 | -560.42 | -624.05 | -179.43 | |
| Long-Term Debt Issued | 398.79 | 399.76 | 348.57 | 1,099 | 1,348 | |
| Long-Term Debt Repaid | -309.79 | -797 | -143.33 | -571.71 | -1,085 | |
| Net Debt Issued (Repaid) | 89 | -397.24 | 205.23 | 526.93 | 262.19 | |
| Issuance of Common Stock | 10.54 | 496.71 | 20.02 | 31.87 | 3.46 | |
| Repurchase of Common Stock | -16.88 | -12.55 | -16.99 | -13.46 | -198.79 | |
| Common Dividends Paid | -961.91 | -922.66 | -889.61 | -888.34 | -883.21 | |
| Other Financing Activities | 4.37 | 1.39 | 10.29 | -5.86 | -37.91 | |
| Net Cash Flow | -263.88 | -203.29 | 190.46 | 230.26 | 185.92 | |
| Cash Interest Paid | 213.25 | 187.52 | 212.24 | 203.77 | 196.85 | |
| Levered Free Cash Flow | 1,233 | 1,216 | 1,149 | 1,016 | 996.85 | |
| Unlevered Free Cash Flow | 1,362 | 1,332 | 1,282 | 1,144 | 1,121 | |
| Change in Net Working Capital | 113.2 | 58.71 | 52.32 | 39.86 | 27.32 | |