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