Earnings Per Share (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Oct. 02, 2011	Sep. 30, 2012	Oct. 02, 2011
Reconciliation of basic net earnings per share to diluted net earnings per share
Basic net earnings per share attributable to Parent	$ 1.08	$ 1.17	$ 3.02	$ 3.45
Average shares outstanding - basic	2,757.4	2,737.0	2,747.1	2,738.5
Potential shares exercisable under stock option plans	181.6	165.0	181.5	164.7
Less: shares which could be repurchased under treasury stock method	(141.5)	(127.4)	(144.2)	(129.2)
Convertible debt shares	3.6	3.6	3.6	3.6
Incremental common shares attributable to accelerated share repurchase agreements	17.0	0	17.0	0
Average shares outstanding - diluted	2,818.1	2,778.2	2,805.0	2,777.6
Diluted net earnings per share attributable to parent	$ 1.05	$ 1.15	$ 2.96	$ 3.40