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Financial Instruments and Risk Management (Details) (Textual) (USD $)
In Millions, except Share data, unless otherwise specified
 1 Months Ended 3 Months Ended 12 Months Ended 12 Months Ended 0 Months Ended 12 Months Ended
Dec. 31, 2010
Apr. 30, 2010
Dec. 31, 2010
Mar. 31, 2010
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Dec. 31, 2006
Dec. 31, 2009
Cancellable swaps [Member]
Dec. 20, 2010
Micron Technology Inc. [Member]
Dec. 31, 2010
Micron Technology Inc. [Member]
Additional Financial Instruments and Risk Management (Textual) [Abstract]                      
Notional amount of Derivative Instruments Not Designated as a Hedge $ 874   $ 874   $ 517 $ 874 $ 717        
Maximum percentage for Research and development and Corporate costs of the total forecasted transactions           80.00%          
Maximum percentage for manufacturing costs of forecasted transactions           70.00%          
Realized gain (loss) on Reduction in Cost of Sale         65 37 29        
Realized gain (loss) on Reduction in Operating Expenses         52 42 42        
Notional amount for hedge 1,850   1,850   1,759 1,850 1,354        
Deferred Gain on Derivative Instrument, net of tax         (126) 57 (4)        
Deferred Gain on Derivative Instrument, Tax         9 1          
Amount Reclassified as Other Income and Expenses, net         0 0          
Period of accumulated other comprehensive income (loss)           24 months          
Notional amount of fair value hedge               200      
Disposal of financial instrument         6   26        
Notional share amount of price risk derivatives 20,056,131 5,000,000 10,000,000                
Contingency premium paid on zero-cost collars         9 9          
Shares Sold 20,000,000   10,000,000                
Cumulative change in fair value of the collars           27          
Maximum outstanding amount per instrument with each Bank , as percentage of total             20.00%        
Maximum outstanding percentage of counterparty risk             15.00%        
Percentage of trade account receivable represented by one customer 14.80%   14.80%   11.30% 14.80%          
Subsidiary or Equity Method Investee [Line Items]                      
Proceeds from sale of derivatives                   16 5
Gain (loss) on the sale of derivatives                     4
Notional amount to hedge forecasted sales, shares                     40,000,000
Derivative [Line Items]                      
Gain (loss) on financial instruments       $ 6         $ 8