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Income Tax (Details 1) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Differences in income taxes computed at the Netherlands statutory rate and the effective income tax rate      
Income tax benefit (expense) computed at statutory rate $ (84) $ (176) $ 382
Non-deductible, non-taxable and other permanent differences, net (38) (50) (34)
Income (loss) on equity-method investment (7) 62 (84)
Valuation allowance adjustments (130) (54) (56)
Impact of prior years adjustments   (29) 21
Effects on deferred taxes of changes in enacted tax rates 1 3 (7)
Current year credits 94 76 76
Other tax and credits 3 (12) (4)
Benefits from tax holidays 113 77 2
Impact of uncertain tax positions (2) 32 (23)
Earnings of subsidiaries taxed at different rates (131) (78) (178)
Income tax benefit (expense) (181) (149) 95
Deferred tax assets and liabilities      
Tax loss carryforwards and investment credits 643 609  
Inventory valuation 23 25  
Impairment and restructuring charges 56 84  
Fixed asset depreciation in arrears 56 47  
Receivables for government funding 13 7  
Tax allowances granted on past capital investments 1,111 1,113  
Pension service costs 71 49  
Stock awards 7 7  
Commercial accruals 13 10  
Other temporary differences 131 99  
Total deferred tax assets 2,124 2,050  
Valuation allowances (1,514) (1,396)  
Deferred tax assets, net 610 654  
Accelerated fixed asset depreciation (69) (83)  
Acquired intangible assets (49) (34)  
Advances of government funding (16) (16)  
Other temporary differences (38) (40)  
Deferred tax liabilities (172) (173)  
Net deferred income tax asset $ 438 $ 481