| In millions, except per share items | Dec-31-12 | Dec-31-11 | Dec-31-10 | Dec-31-09 | Dec-31-08 | Dec-31-07 | Dec-31-06 | Dec-31-05 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| Cash flows from operating activities: | | | | | | | | |
| Net income | 365.0 | 603.0 | 558.0 | 212.0 | -1,480.0 | 653.0 | | |
| Adjustment to reconcile net income to net cash provided by operating activities: | | | | | | | | |
| Depreciation and amortization | 261.0 | 286.0 | 307.0 | 301.0 | 276.0 | 273.0 | | |
| Deferred income taxes | 48.0 | -52.0 | -60.0 | -34.0 | -184.0 | -75.0 | | |
| Deferred revenue amortization | -96.0 | -94.0 | -88.0 | -80.0 | -79.0 | -87.0 | | |
| Stock-based compensation | 51.0 | 40.0 | 38.0 | 43.0 | 48.0 | 29.0 | | |
| Other non-cash items | 21.0 | 11.0 | 7.0 | 9.0 | | | | |
| Change in operating assets and liabilities: | | | | | | | | |
| Accounts receivable, net | 86.0 | 45.0 | 86.0 | 160.0 | -272.0 | 34.0 | | |
| Other assets | 74.0 | -32.0 | -41.0 | -29.0 | -210.0 | 27.0 | | |
| Accounts payable, accrued expenses, and Section 31 fees payable | -272.0 | 151.0 | -170.0 | -2.0 | 316.0 | -218.0 | | |
| Deferred revenue | 97.0 | 82.0 | 46.0 | 158.0 | 4.0 | 71.0 | | |
| Accrued employee benefits | -5.0 | 108.0 | 1.0 | -43.0 | 78.0 | -34.0 | | |
| Net cash provided by operating activities | 635.0 | 1,000.0 | 587.0 | 469.0 | 721.0 | 712.0 | | |
| |
| Cash flows from investing activities: | | | | | | | | |
| Sales of short term financial investments | 691.0 | 971.0 | 487.0 | 905.0 | 2,389.0 | 8,100.0 | 10,851.0 | 8,848.0 |
| Purchases of short term financial investments | -697.0 | -965.0 | -472.0 | -733.0 | -2,203.0 | -7,264.0 | | |
| Purchases of equity investments and businesses, net of cash acquired | -151.0 | -43.0 | -9.0 | -141.0 | -539.0 | -243.0 | | |
| Purchases of property and equipment | -191.0 | -170.0 | -305.0 | -497.0 | -376.0 | -182.0 | | |
| Other investing activities | 23.0 | -25.0 | -2.0 | | 5.0 | -18.0 | | |
| Net cash used in investing activities | -325.0 | -198.0 | -126.0 | -394.0 | -701.0 | -1,748.0 | | |
| |
| Cash flows from financing activities: | | | | | | | | |
| Commercial paper borrowings (repayments), net | | -343.0 | -222.0 | -117.0 | -1,378.0 | 1,966.0 | | |
| Repayments of Long-term Debt | -463.0 | | | | | | | |
| Dividends to shareholders | -297.0 | -313.0 | -313.0 | -312.0 | -305.0 | -194.0 | | |
| Purchases of treasury stock | -452.0 | -100.0 | | | -349.0 | -1.0 | | |
| Employee stock transactions and other | -29.0 | 2.0 | -4.0 | | -4.0 | -7.0 | | |
| Net cash used in financing activities | -397.0 | -717.0 | -533.0 | -477.0 | -97.0 | 1,686.0 | | |
| |
| Effects of exchange rate changes on cash and cash equivalents | 28.0 | -16.0 | -24.0 | 48.0 | -71.0 | 50.0 | | |
| Net (decrease) increase in cash and cash equivalents for the period | -59.0 | 69.0 | -96.0 | -354.0 | -157.0 | 656.0 | | |
| Cash and cash equivalents at beginning of period | 396.0 | 327.0 | 423.0 | 777.0 | 934.0 | 429.5 | | |
| Cash and cash equivalents at end of period | | 396.0 | 327.0 | 423.0 | 777.0 | 934.0 | | |
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| Non-cash investing and financing activities: | | | | | | | | |