| 65 | 5 | 10 | 20 | -148 | -289 |  | 
Depreciation & Amortization      | 28 | 26 | 32 | 36 | 47 | 58 |  | 
 | 59 | 59 | 55 | 61 | 64 | 67 |  | 
Loss (Gain) From Sale of Assets      | - | - | - | - | - | 6 |  | 
Asset Writedown & Restructuring Costs      | - | - | - | - | - | 3 |  | 
 | 116 | 120 | 96 | 88 | 120 | 109 |  | 
Provision & Write-off of Bad Debts      | 8 | 8 | 6 | 6 | 3 | 17 |  | 
Other Operating Activities      | 13 | -5 | -16 | -12 | -25 | 10 |  | 
Change in Accounts Receivable      | -14 | -24 | 6 | -87 | -73 | 92 |  | 
Change in Accounts Payable      | -37 | 13 | 11 | 72 | 30 | -28 |  | 
Change in Unearned Revenue      | 9 | 17 | 36 | 109 | 89 | -158 |  | 
 | 11 | -75 | -1 | 107 | 1 | -81 |  | 
 | 258 | 144 | 235 | 400 | 108 | -194 |  | 
Operating Cash Flow Growth      | 39.46% | -38.72% | -41.25% | 270.37% | - | - |  | 
 | -87 | -74 | -63 | -56 | -54 | -55 |  | 
 | - | - | - | - | - | -4 |  | 
Other Investing Activities      | -1 | 1 | - | 4 | - | 3 |  | 
 | -88 | -73 | -63 | -52 | -54 | -56 |  | 
 | - | 493 | - | - | 345 | 1,200 |  | 
 | 834 | 493 | - | - | 345 | 1,200 |  | 
 | - | -509 | -7 | -7 | -6 | -706 |  | 
 | -513 | -509 | -7 | -7 | -6 | -706 |  | 
 | 321 | -16 | -7 | -7 | 339 | 494 |  | 
 | - | - | - | - | 8 | - |  | 
Repurchase of Common Stock      | -470 | -46 | -117 | -20 | -44 | -136 |  | 
Other Financing Activities      | -1 | -1 | -3 | - | -40 | -17 |  | 
 | -150 | -63 | -127 | -27 | 263 | 341 |  | 
Foreign Exchange Rate Adjustments      | 16 | -11 | 1 | -23 | -12 | 8 |  | 
 | 36 | -3 | 46 | 298 | 305 | 99 |  | 
 | 171 | 70 | 172 | 344 | 54 | -249 |  | 
 | 40.16% | -59.30% | -50.00% | 537.04% | - | - |  | 
 | 9.14% | 3.82% | 9.62% | 23.06% | 5.99% | -41.23% |  | 
 | 1.18 | 0.48 | 1.23 | 2.36 | 0.39 | -1.85 |  | 
 | 65 | 58 | 39 | 40 | 43 | 13 |  | 
 | 20 | 170 | 140 | -40 | 5 | 3 |  | 
 | 179.88 | 207.13 | 247 | 319.63 | 120 | -156 |  | 
 | 213 | 235.88 | 274.5 | 347.13 | 148.13 | -134.13 |  | 
Change in Working Capital      | -31 | -69 | 52 | 201 | 47 | -175 |  |