| Net Income | 3,304 | 3,167 | 2,981 | 2,963 | 2,613 | 2,331 | |
| Depreciation & Amortization | 559 | 565 | 524 | 466 | 441 | 407 | |
| Stock-Based Compensation | 99 | 79 | 64 | 56 | 45 | 34 | |
| Provision & Write-off of Bad Debts | - | 15 | 35 | 23 | 25 | 23 | |
| Other Operating Activities | 452 | -55 | 53 | -5 | 48 | 88 | |
| Change in Accounts Receivable | -231 | -322 | -875 | -1,064 | -248 | -542 | |
| Change in Accounts Payable | -21 | 11 | -35 | 200 | -33 | -52 | |
| Change in Unearned Revenue | 92 | 21 | 103 | 299 | 138 | 19 | |
| Change in Other Net Operating Assets | 35 | -333 | 3 | 407 | 229 | 303 | |
| Operating Cash Flow | 4,289 | 3,148 | 2,853 | 3,345 | 3,258 | 2,611 | |
| Operating Cash Flow Growth | 40.99% | 10.34% | -14.71% | 2.67% | 24.78% | 15.43% | |
| Capital Expenditures | -245 | -266 | -319 | -290 | -285 | -465 | |
| Cash Acquisitions | -365 | - | -113 | - | -186 | -253 | |
| Investment in Securities | 292 | -540 | 122 | -803 | -701 | 395 | |
| Other Investing Activities | 52 | 98 | 92 | 88 | 43 | 81 | |
| Investing Cash Flow | -266 | -708 | -218 | -1,005 | -1,129 | -242 | |
| Long-Term Debt Repaid | - | -245 | -151 | -125 | -94 | -80 | |
| Net Debt Issued (Repaid) | -401 | -245 | -151 | -125 | -94 | -80 | |
| Issuance of Common Stock | 2 | 1 | 4 | 2 | 2 | 1 | |
| Repurchase of Common Stock | - | - | -1,398 | -1,503 | - | -1,070 | |
| Common Dividends Paid | -2,020 | -1,777 | -1,697 | -1,703 | -1,226 | -1,359 | |
| Other Financing Activities | -83 | -95 | -46 | 4 | 1 | -5 | |
| Financing Cash Flow | -2,898 | -2,116 | -3,288 | -3,325 | -1,317 | -2,513 | |
| Foreign Exchange Rate Adjustments | -102 | -32 | -171 | -90 | 103 | -220 | |
| Net Cash Flow | 1,023 | 292 | -824 | -1,075 | 915 | -364 | |
| Free Cash Flow | 4,044 | 2,882 | 2,534 | 3,055 | 2,973 | 2,146 | |
| Free Cash Flow Growth | 47.22% | 13.73% | -17.05% | 2.76% | 38.54% | 12.18% | |
| Free Cash Flow Margin | 21.16% | 15.53% | 13.91% | 18.73% | 21.92% | 16.79% | |
| Free Cash Flow Per Share | 0.97 | 0.69 | 0.60 | 0.72 | 0.70 | 0.50 | |
| Cash Income Tax Paid | 591 | 1,114 | 1,088 | 1,020 | 863 | 639 | |
| Levered Free Cash Flow | 3,050 | 1,440 | 2,314 | 2,644 | 2,345 | 1,371 | |
| Unlevered Free Cash Flow | 3,082 | 1,475 | 2,336 | 2,661 | 2,361 | 1,386 | |
| Change in Net Working Capital | -133 | 1,299 | 324 | -82 | -13 | 293 | |