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Consolidated Statements of Cash Flows (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Cash flows from operating activities:      
Net income (loss) $ 155 $ 542 $ (1,401)
Items to reconcile net income (loss) and cash flows from operating activities:      
Depreciation and amortization 1,279 1,240 1,367
Other-than-temporary impairment charge and realized gains (losses) on financial assets (318)   140
Loss (gain) on financial instruments, net (25) 24 5
Non-cash stock-based compensation 29 34 37
Other non-cash items (151) (112) (88)
Deferred income tax 47 120 (24)
Earnings (loss) on equity-method investments and gain on investment divestiture 28 (245) 337
Impairment, restructuring charges and other related closure costs, net of cash payments (79) (38) (4)
Changes in assets and liabilities:      
Trade receivables, net 184 139 (300)
Inventories, net (59) (252) 553
Trade payables (384) 212 (54)
Other assets and liabilities, net 174 130 248
Net cash from operating activities 880 1,794 816
Cash flows from investing activities:      
Net payment for purchase of tangible assets (1,258) (1,034) (451)
Payment for purchase of marketable securities (352) (1,100) (1,730)
Proceeds from sale of marketable securities 818 1,219 1,371
Proceeds from sale / settlement of non current marketable securities 350   75
Disposal of financial instrument     26
Investment in short-term deposits   (62)  
Proceeds from matured short-term deposits 73    
Restricted cash (95)    
Release of restricted cash 87 250  
Investment in intangible and financial assets (95) (107) (138)
Net proceeds from sale of stock received on investment divestiture 195 319  
Proceeds received in business combinations     1,155
Payment for business acquisitions, net of cash and cash equivalents acquired (10) (11) (18)
Net cash from (used in) investing activities (287) (526) 290
Cash flows from financing activities:      
Proceeds from long-term debt 3 1 1
Proceeds from short term borrowings 333 75  
Repurchase of issued debt (422) (508) (103)
Repayment of long-term debt (108) (218) (134)
Repayment of short-term borrowings (8)    
Increase (decrease) in short-term facilities 7   (20)
Dividends paid to stockholders (327) (212) (158)
Dividends paid to noncontrolling interests (5) (7) (5)
Purchase of equity from noncontrolling interests     (92)
Other financing activities (2) (7) (2)
Net cash used in financing activities (529) (876) (513)
Effect of changes in exchange rates (44) (88) (14)
Net cash increase 20 304 579
Cash and cash equivalents at beginning of the period 1,892 1,588 1,009
Cash and cash equivalents at end of the period 1,912 1,892 1,588
Supplemental cash information:      
Interest paid 17 15 34
Income tax paid (refund) $ 83 $ 23 $ (141)