Quarterly report pursuant to Section 13 or 15(d)

Debt (Details)

v2.3.0.15
Debt (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Oct. 01, 2011
Sep. 25, 2010
Oct. 01, 2011
Sep. 25, 2010
5.75% Convertible Senior Notes Due 2012 [Member]
       
Debt Instrument [Line Items]        
Stated percentage of debt instrument 5.75% 5.75% 5.75% 5.75%
Maturity date of senior notes 2012 2012 2012 2012
Short term debt $ 485   $ 485  
6.00% Convertible Senior Notes Due 2015 [Member]
       
Debt Instrument [Line Items]        
Decrease for amounts repaid on the debt instrument for the period 150      
Stated percentage of debt instrument 6.00%   6.00%  
Maturity date of senior notes 2015      
Cash paid for repurchase of convertible senior notes 153      
Payment of accrued interest and fees 2      
The decrease in carrying amount of the equity component of convertible debt, which may be settled in cash upon conversion, for the period 8      
The decrease in carrying amount of the debt instrument for the period 141      
Loss on repurchase of debt 5      
Remaining carrying amount of senior notes 591   591  
Debt discount, net $ 39   $ 39