Stock-Based Incentive Compensation Plans (Details) (Share-based Compensation, Allocation of Recognized Period Costs) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
---|---|---|---|---|
Jun. 27, 2015 |
Jun. 28, 2014 |
Jun. 27, 2015 |
Jun. 28, 2014 |
|
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] | ||||
Stock-based compensation expense | $ 17 | $ 21 | $ 34 | $ 44 |
Cost of Sales | ||||
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] | ||||
Stock-based compensation expense | 1 | 1 | 2 | 2 |
Research and Development | ||||
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] | ||||
Stock-based compensation expense | 10 | 11 | 20 | 23 |
Marketing, General and Administrative | ||||
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] | ||||
Stock-based compensation expense | $ 6 | $ 9 | $ 12 | $ 19 |