| Net Income | 1,327 | 1,414 | 1,434 | 822 | 1,562 | -931 | |
| Depreciation & Amortization | 587 | 583 | 538 | 512 | 515 | 734 | |
| Gain (Loss) on Sale of Investments | -119 | -119 | -138 | 70 | -741 | 1,179 | |
| Change in Accounts Receivable | -1,062 | -929 | -268 | -316 | -1,409 | -425 | |
| Change in Insurance Reserves / Liabilities | 2,578 | 2,365 | 1,667 | 2,058 | 2,485 | 1,681 | |
| Change in Other Net Operating Assets | 494 | 408 | -183 | -254 | -49 | -257 | |
| Other Operating Activities | 128 | 133 | 347 | 106 | 413 | -534 | |
| Operating Cash Flow | 3,563 | 3,025 | 3,907 | 3,314 | 2,623 | 1,745 | |
| Operating Cash Flow Growth | 5.23% | -22.57% | 17.89% | 26.34% | 50.31% | 0.23% | |
| Capital Expenditures | -571 | -632 | -686 | -660 | -482 | -710 | |
| Sale of Property, Plant & Equipment | - | 23 | - | 16 | 80 | 65 | |
| Cash Acquisitions | - | - | -401 | - | - | -58 | |
| Investment in Securities | -533 | -1,352 | -1,480 | -1,532 | -1,289 | -101 | |
| Other Investing Activities | -49 | -14 | -178 | -171 | 87 | -127 | |
| Investing Cash Flow | -1,153 | -1,975 | -2,745 | -2,347 | -1,187 | -1,414 | |
| Long-Term Debt Issued | - | 1,294 | 778 | 573 | 1,199 | 2,659 | |
| Total Debt Repaid | -1,166 | -1,366 | -878 | -640 | -1,193 | -1,726 | |
| Net Debt Issued (Repaid) | -1,171 | -72 | -100 | -67 | 6 | 933 | |
| Repurchases of Common Stock | -978 | -608 | -849 | -729 | -1,136 | -923 | |
| Common Dividends Paid | -54 | -55 | -57 | -61 | -65 | -70 | |
| Other Financing Activities | -202 | -163 | -294 | -180 | -94 | -138 | |
| Financing Cash Flow | -2,405 | -898 | -1,300 | -1,037 | -1,289 | -198 | |
| Foreign Exchange Rate Adjustments | -1 | -10 | 5 | -19 | -4 | 9 | |
| Net Cash Flow | 4 | 142 | -133 | -89 | 143 | 142 | |
| Free Cash Flow | 2,992 | 2,393 | 3,221 | 2,654 | 2,141 | 1,035 | |
| Free Cash Flow Growth | 10.81% | -25.71% | 21.36% | 23.96% | 106.86% | 47.86% | |
| Free Cash Flow Margin | 16.84% | 13.67% | 20.26% | 18.90% | 14.61% | 8.22% | |
| Free Cash Flow Per Share | 13.73 | 10.85 | 14.14 | 10.91 | 8.23 | 3.69 | |
| Cash Interest Paid | 422 | 422 | 385 | 380 | 391 | 463 | |
| Cash Income Tax Paid | 403 | 403 | 304 | 376 | 256 | 20 | |
| Levered Free Cash Flow | 3,021 | 1,604 | 2,827 | -1,074 | 1,917 | 1,007 | |
| Unlevered Free Cash Flow | 3,298 | 1,880 | 3,062 | -837.75 | 2,182 | 1,329 | |
| Change in Net Working Capital | -1,886 | -479 | -1,759 | 1,585 | -517 | -1,313 | |