Stock-Based Incentive Compensation Plans (Tables)

3 Months Ended

Mar. 30, 2013

Share-based Compensation [Abstract]

Schedule of Stock-based Compensation Expense, Allocation of Recognized Period Costs

	Quarter Ended
	March 30, 2013		March 31, 2012
	(In millions)
Cost of sales	$	2	$	2
Research and development	13		11
Marketing, general and administrative	9		8
Stock-based compensation expense, net of tax of $0	$	24	$	21

Weighted Average Valuation Assumptions for Stock Options

	Quarter Ended
	March 30, 2013		March 31, 2012
Expected volatility	60.97	%	50.74	%
Risk-free interest rate	0.61	%	0.58	%
Expected dividends	0.00	%	0.00	%
Expected life (in years)	3.83 years		3.79 years