Annual report pursuant to Section 13 and 15(d)

Summary Of Significant Accounting Policies (Narrative) (Details)

v2.4.0.6
Summary Of Significant Accounting Policies (Narrative) (Details) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2011
Dec. 25, 2010
Dec. 26, 2009
Significant Accounting Policies [Line Items]      
Number of days where distributors are required to pay within the Company's standard commercial terms 30    
Standard product service period, years 1    
Limited warranty to end users 3    
Marketing, communications, and advertising expenses $ 397 $ 380 $ 313
Common shares issuable upon exercise of warrants 35 35 35
Potential common shares excluded from computation of diluted earning per share 33 17 43
Interest rate 6.00% 6.00% 6.00%
Buildings And Building Improvements [Member]
      
Significant Accounting Policies [Line Items]      
Property, plant and equipment, useful life, maximum years 39    
Equipment [Member]
      
Significant Accounting Policies [Line Items]      
Property, plant and equipment, useful life, minimum years 2    
Property, plant and equipment, useful life, maximum years 6    
5.75% Convertible Senior Notes [Member]
      
Significant Accounting Policies [Line Items]      
Potential common shares excluded from computation of diluted earning per share 24 24 73
Interest rate 5.75%    
Maturity year 2012