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CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Millions, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Cash flows from operating activities: |  |  |
Net income (loss) | $ (2,188) | $ 155 | $ 542
Items to reconcile net income (loss) and cash flows from operating activities: |  |  |
Depreciation and amortization | 1,107 | 1,279 | 1,240
Other-than-temporary impairment charge and realized gains on financial assets |  | (318) |
(Gain) loss on financial instruments, net | (3) | (25) | 24
Non-cash stock-based compensation | 11 | 29 | 34
Other non-cash items | (65) | (151) | (112)
Deferred income tax | (80) | 47 | 120
Loss (income) on equity-method investments and (gain) on investment divestiture | 24 | 28 | (245)
Impairment, restructuring charges and other related closure costs, net of cash payments | 1,303 | (79) | (38)
Changes in assets and liabilities: |  |  |
Trade receivables, net | 35 | 184 | 139
Inventories, net | 191 | (59) | (252)
Trade payables | 148 | (384) | 212
Other assets and liabilities, net | 129 | 174 | 130
Net cash from operating activities | 612 | 880 | 1,794
Cash flows from investing activities: |  |  |
Payment for purchase of tangible assets | (492) | (1,284) | (1,063)
Proceeds from sale of tangible assets | 16 | 26 | 29
Payment for purchase of marketable securities | (450) | (352) | (1,100)
Proceeds from sale of marketable securities | 630 | 818 | 1,219
Proceeds from settlement of non-current marketable securities |  | 350 |
Investment in short-term deposits |  |  | (62)
Proceeds from matured short-term deposits |  | 73 |
Restricted cash |  | (95) |
Release of restricted cash | 3 | 87 | 250
Investment in intangible and financial assets | (117) | (95) | (112)
Proceeds from sale of intangible and financial assets | 15 |  | 5
Net proceeds from sale of stock received on investment divestiture |  | 195 | 319
Payment for business acquisitions, net of cash and cash equivalents acquired | (1) | (10) | (11)
Net cash used in investing activities | (396) | (287) | (526)
Cash flows from financing activities: |  |  |
Proceeds from long-term debt | 464 | 3 | 1
Proceeds from short-term borrowings | 390 | 333 | 75
Repurchase of issued debt | (219) | (422) | (508)
Repayment of long-term debt | (109) | (108) | (218)
Repayment of short-term borrowings | (20) | (8) |
Increase (decrease) in short-term facilities | (7) | 7 |
Dividends paid to stockholders | (355) | (327) | (212)
Dividends paid to noncontrolling interests | (5) | (5) | (7)
Other financing activities | (4) | (2) | (7)
Net cash from (used in) financing activities | 135 | (529) | (876)
Effect of changes in exchange rates | (13) | (44) | (88)
Net cash increase | 338 | 20 | 304
Cash and cash equivalents at beginning of the period | 1,912 | 1,892 | 1,588
Cash and cash equivalents at end of the period | 2,250 | 1,912 | 1,892
Supplemental cash information: |  |  |
Interest paid | 26 | 17 | 15
Income tax paid | $ 51 | $ 83 | $ 23

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