Share-Based Compensation Plans (Schedule Of Compensation Expense) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Sep. 28, 2013	Sep. 29, 2012
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based compensation expense included in Operating earnings	$ 37	$ 44	$ 116	$ 139
Tax benefit	12	14	36	47
Share-based compensation expense, net of tax	25	30	80	92
Decrease in basic earnings per share (US$ per share)	$ (0.10)	$ (0.11)	$ (0.30)	$ (0.31)
Decrease in diluted earnings per share (US$ per share)	$ (0.09)	$ (0.11)	$ (0.29)	$ (0.30)
Cost Of Sales [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based compensation expense included in Operating earnings	5	6	15	19
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	22	27	71	84
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	$ 10	$ 11	$ 30	$ 36