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 9 Months Ended
Sep. 29, 2012
Oct. 01, 2011
Sep. 29, 2012
Oct. 01, 2011
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Stock-based compensation expense, net of tax of $0 $ 27 $ 22 $ 74 $ 69
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 1 6 4
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 15 13 40 35
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 $ 28 $ 30