Stock-Based Incentive Compensation Plans (Stock-Based Compensation Expense) (Details) (USD $) In Millions	3 Months Ended		9 Months Ended
	Oct. 01, 2011	Sep. 25, 2010	Oct. 01, 2011	Sep. 25, 2010
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense, net of tax of $0	$ 22	$ 22	$ 69	$ 65
Stock-based compensation expense, tax			0
Cost Of Sales [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense, net of tax of $0	1	1	4	3
Research And Development [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense, net of tax of $0	13	13	35	34
Marketing, General, And Administrative [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense, net of tax of $0	$ 8	$ 8	$ 30	$ 28