| Net Income | 411 | 396 | 357 | 308 | -255 | |
| Depreciation & Amortization | 115 | 112 | 119 | 124 | 126 | |
| Loss (Gain) From Sale of Assets | - | 2 | 9 | - | - | |
| Asset Writedown & Restructuring Costs | 3 | - | 1 | 1 | 46 | |
| Loss (Gain) From Sale of Investments | - | - | - | -6 | 6 | |
| Stock-Based Compensation | 41 | 38 | 45 | 32 | 20 | |
| Other Operating Activities | 62 | 43 | 39 | 1 | -51 | |
| Change in Accounts Receivable | -514 | -522 | -401 | 20 | 267 | |
| Change in Inventory | -16 | 25 | 31 | -6 | -119 | |
| Change in Accounts Payable | -19 | -70 | -71 | 24 | -21 | |
| Change in Unearned Revenue | 10 | 30 | 12 | -72 | -100 | |
| Change in Other Net Operating Assets | -28 | -47 | - | 8 | 38 | |
| Operating Cash Flow | 464 | 350 | 442 | 568 | 374 | |
| Operating Cash Flow Growth | 32.57% | -20.81% | -22.18% | 51.87% | -17.26% | |
| Capital Expenditures | -81 | -74 | -52 | -57 | -69 | |
| Sale of Property, Plant & Equipment | 1 | - | 8 | - | - | |
| Cash Acquisitions | -44 | -6 | -2 | -37 | - | |
| Other Investing Activities | - | - | -4 | 1 | 4 | |
| Investing Cash Flow | -124 | -80 | -50 | -93 | -65 | |
| Long-Term Debt Issued | 3,715 | 3,957 | 2,181 | 2,072 | 3,268 | |
| Total Debt Issued | 3,715 | 3,957 | 2,181 | 2,072 | 3,268 | |
| Long-Term Debt Repaid | -3,774 | -3,969 | -1,850 | -3,178 | -2,458 | |
| Total Debt Repaid | -3,774 | -3,969 | -1,850 | -3,178 | -2,458 | |
| Net Debt Issued (Repaid) | -59 | -12 | 331 | -1,106 | 810 | |
| Issuance of Common Stock | 15 | 9 | 10 | 11 | 7 | |
| Repurchase of Common Stock | -234 | -309 | -351 | -25 | -128 | |
| Common Dividends Paid | -142 | -136 | -135 | -109 | -138 | |
| Other Financing Activities | -38 | -52 | -51 | -59 | -49 | |
| Financing Cash Flow | -458 | -500 | -196 | -1,288 | 502 | |
| Foreign Exchange Rate Adjustments | -11 | - | -5 | -7 | 4 | |
| Net Cash Flow | -129 | -230 | 191 | -820 | 815 | |
| Free Cash Flow | 383 | 276 | 390 | 511 | 305 | |
| Free Cash Flow Growth | 38.77% | -29.23% | -23.68% | 67.54% | -11.34% | |
| Free Cash Flow Margin | 9.91% | 7.36% | 10.93% | 16.30% | 14.12% | |
| Free Cash Flow Per Share | 5.42 | 3.68 | 4.63 | 5.85 | 3.54 | |
| Cash Interest Paid | 358 | 321 | 240 | 263 | 237 | |
| Cash Income Tax Paid | 100 | 144 | 153 | 110 | 50 | |
| Levered Free Cash Flow | 292.38 | 83.63 | 337.5 | 720.88 | 561.38 | |
| Unlevered Free Cash Flow | 448 | 240.5 | 459.38 | 844.63 | 681.38 | |
| Change in Net Working Capital | 97 | 303 | 77 | -340 | -555 | |