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
	Mar. 31, 2012	Apr. 02, 2011
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense, net of tax of $0	$ 21	$ 27
Stock-based compensation expense, tax	0
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
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	11	12
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	$ 8	$ 14