Share-Based Compensation Plans (Schedule Of Compensation Expense) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 30, 2013	Mar. 31, 2012
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based compensation expense included in Operating earnings	$ 45	$ 43
Tax benefit	14	13
Share-based compensation expense, net of tax	31	30
Decrease in basic earnings per share (US$ per share)	$ (0.11)	$ (0.10)
Decrease in diluted earnings per share (US$ per share)	$ (0.11)	$ (0.09)
Cost Of Sales [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based compensation expense included in Operating earnings	6	6
Selling, General And Administrative Expenses [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based compensation expense included in Operating earnings	28	26
Research And Development Expenditures [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based compensation expense included in Operating earnings	$ 11	$ 11