| 642 | 583 | 487 | 526 | 1,620 | 1,541 | | | | | | | | |
| | | | | | | | | | | | | | |
Depreciation & Amortization | 622 | 607 | 595 | 577 | 550 | 528 | | | | | | | | |
Depreciation and Amortization | | | | | | | | | | | | | | |
Amortization of Deferred Costs | | | | | | | | | | | | | | |
| 1,624 | 1,616 | 1,594 | 1,519 | 1,468 | 1,449 | | | | | | | | |
Share-Based Compensation Expense | | | | | | | | | | | | | | |
| 227 | 162 | 121 | 57 | -1,033 | -1,040 | | | | | | | | |
Amortization and Writeoff of Debt Discount and Issuance Costs | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | |
| | | | | | | | | | | | | | |
Impairment of Cost Method Investment | | | | | | | | | | | | | | |
Accretion of Discounts on Marketable Debt Securities, Net | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | |
| | | | | | | | | | | | | | |
Changes in Trade Receivables | -340 | -328 | -221 | -313 | -177 | -25 | | | | | | | | |
Change in Trade and Other Receivables, Net | | | | | | | | | | | | | | |
Changes in Accounts Payable | 21 | 13 | 11 | 25 | -13 | -5 | | | | | | | | |
Change in Accounts Payable | | | | | | | | | | | | | | |
Changes in Accrued Expenses | -29 | -16 | 21 | -41 | -12 | -32 | | | | | | | | |
Change in Accrued Expenses and Other Liabilities | | | | | | | | | | | | | | |
Changes in Unearned Revenue | 377 | 297 | 253 | 398 | 230 | 229 | | | | | | | | |
Change in Unearned Revenue | | | | | | | | | | | | | | |
Changes in Other Operating Activities | -371 | -343 | -315 | -287 | -288 | -255 | | | | | | | | |
| | | | | | | | | | | | | | |
Change in Prepaid Expenses and Other Assets | | | | | | | | | | | | | | |
Cash from Operating Activities | 2,773 | 2,591 | 2,546 | 2,461 | 2,345 | 2,390 | | | | | | | | |
Net Cash Provided by Operating Activities | | | | | | | | | | | | | | |