Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Incentive Compensation Plans (Stock-Based Compensation Expense Related To Employee Stock Options And Restricted Stock Units) (Details)

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Stock-Based Incentive Compensation Plans (Stock-Based Compensation Expense Related To Employee Stock Options And Restricted Stock Units) (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2012
Jul. 02, 2011
Jun. 30, 2012
Jul. 02, 2011
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Stock-based compensation expense, net of tax of $0 $ 26 $ 20 $ 47 $ 47
Cost Of Sales [Member]
       
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Stock-based compensation expense, net of tax of $0 2 2 4 3
Research And Development [Member]
       
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Stock-based compensation expense, net of tax of $0 14 10 25 22
Marketing, General, And Administrative [Member]
       
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Stock-based compensation expense, net of tax of $0 $ 10 $ 8 $ 18 $ 22