| Net Income | 1,207 | 2,489 | 2,806 | 2,933 | 3,367 | |
| Depreciation & Amortization | 308 | 328 | 320 | 270 | 265 | |
| Other Amortization | 660 | 589 | 525 | 443 | 351 | |
| Gain (Loss) on Sale of Assets | - | - | -237 | - | - | |
| Gain (Loss) on Sale of Investments | -24 | 54 | 205 | -999 | -838 | |
| Stock-Based Compensation | 207 | 175 | 216 | 180 | 181 | |
| Change in Accounts Receivable | -669 | -337 | -54 | -280 | -85 | |
| Change in Unearned Revenue | -6 | -20 | 32 | -65 | 71 | |
| Change in Insurance Reserves / Liabilities | 199 | 915 | 975 | 104 | 2,139 | |
| Change in Other Net Operating Assets | 630 | -477 | -419 | -315 | 18 | |
| Other Operating Activities | -77 | -59 | -34 | 56 | 244 | |
| Operating Cash Flow | 2,966 | 3,981 | 4,587 | 2,262 | 5,639 | |
| Operating Cash Flow Growth | -25.50% | -13.21% | 102.78% | -59.89% | 6.72% | |
| Capital Expenditures | -575 | -1,004 | -1,137 | -1,342 | -964 | |
| Sale of Property, Plant & Equipment | 7 | 210 | 17 | 26 | - | |
| Cash Acquisitions | -89 | -233 | -337 | -4,187 | -709 | |
| Investment in Securities | -2,245 | -2,465 | -2,250 | -1,053 | -1,392 | |
| Other Investing Activities | -50 | - | - | - | - | |
| Investing Cash Flow | -2,952 | -3,492 | -1,006 | -6,556 | -3,065 | |
| Short-Term Debt Issued | 468 | 366 | - | 358 | 390 | |
| Long-Term Debt Issued | 2,232 | 2,544 | 1,982 | 5,484 | 2,088 | |
| Total Debt Issued | 2,700 | 2,910 | 1,982 | 5,842 | 2,478 | |
| Total Debt Repaid | -2,014 | -2,432 | -3,404 | -2,078 | -1,400 | |
| Net Debt Issued (Repaid) | 686 | 478 | -1,422 | 3,764 | 1,078 | |
| Repurchases of Common Stock | -817 | -1,573 | -2,096 | -79 | -1,820 | |
| Common Dividends Paid | -431 | -431 | -392 | -354 | -323 | |
| Other Financing Activities | 8 | -158 | 3 | -10 | 49 | |
| Financing Cash Flow | -2,487 | -856 | -1,914 | 3,015 | -1,955 | |
| Net Cash Flow | -2,473 | -367 | 1,667 | -1,279 | 619 | |
| Free Cash Flow | 2,391 | 2,977 | 3,450 | 920 | 4,675 | |
| Free Cash Flow Growth | -19.68% | -13.71% | 275.00% | -80.32% | 2.79% | |
| Free Cash Flow Margin | 2.03% | 2.80% | 3.72% | 1.11% | 6.06% | |
| Free Cash Flow Per Share | 19.78 | 23.92 | 27.14 | 7.11 | 35.15 | |
| Cash Interest Paid | 584 | 394 | 354 | 285 | 258 | |
| Cash Income Tax Paid | 570 | 997 | 758 | 227 | 1,132 | |
| Levered Free Cash Flow | -1,311 | 782.13 | 4,490 | -694.25 | 2,094 | |
| Unlevered Free Cash Flow | -898.13 | 1,090 | 4,741 | -490.5 | 2,271 | |
| Change in Net Working Capital | 3,400 | 1,879 | -2,146 | 2,009 | 678 | |