| 5,017 | 5,336 | 6,920 | 5,732 | 6,315 |
Depreciation & Amortization | 1,294 | 1,213 | 1,167 | 1,151 | 1,189 |
| 393 | 346 | 263 | 253 | 175 |
Asset Writedown & Restructuring Costs | 66 | 87 | 92 | 100 | 36 |
| 304 | 277 | 265 | 238 | 227 |
Other Operating Activities | 1,297 | -124 | -971 | 913 | 1,225 |
Change in Accounts Receivable | -1,833 | -328 | -492 | -2,281 | -1,019 |
| -286 | -478 | -44 | -107 | 564 |
Change in Accounts Payable | 1,341 | -93 | 151 | 1,274 | -98 |
Change in Unearned Revenue | 1,219 | 605 | 702 | 381 | 562 |
| -255 | 131 | -133 | 148 | 45 |
| 8,557 | 6,972 | 7,920 | 7,802 | 9,221 |
Operating Cash Flow Growth | 22.73% | -11.97% | 1.51% | -15.39% | 12.68% |
| -1,649 | -1,685 | -1,691 | -1,670 | -1,522 |
Other Investing Activities | -328 | -107 | -3 | -119 | 361 |
| -1,977 | -1,792 | -1,694 | -1,789 | -1,161 |
| 1,985 | 2,970 | 1,975 | 6,211 | - |
| 1,985 | 2,970 | 1,975 | 6,211 | - |
| -642 | -168 | -115 | -2,250 | -500 |
| -642 | -168 | -115 | -2,250 | -500 |
| 1,343 | 2,802 | 1,860 | 3,961 | -500 |
Repurchase of Common Stock | -3,000 | -3,700 | -6,000 | -7,900 | -4,087 |
| -3,131 | -3,059 | -3,056 | -3,016 | -2,940 |
Other Financing Activities | -154 | -182 | -135 | -115 | -89 |
| -4,942 | -4,139 | -7,331 | -7,070 | -7,616 |
| 1,638 | 1,041 | -1,105 | -1,057 | 444 |
| 6,908 | 5,287 | 6,229 | 6,132 | 7,699 |
| 30.66% | -15.12% | 1.58% | -20.35% | 19.98% |
| 9.21% | 7.44% | 9.22% | 9.29% | 11.48% |
| 29.59 | 22.10 | 24.80 | 23.18 | 27.75 |
| 1,000 | 950 | 832 | 573 | 543 |
| 788 | 1,300 | 1,800 | 1,600 | 1,400 |
| 5,282 | 5,713 | 5,458 | 3,790 | 5,173 |
| 5,980 | 6,360 | 6,030 | 4,179 | 5,528 |
Change in Working Capital | 186 | -163 | 184 | -585 | 54 |