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Earnings Per Share (Details) (USD $) In Millions, except Per Share data	3 Months Ended		6 Months Ended
	Jul. 03, 2011	Jul. 04, 2010	Jul. 03, 2011	Jul. 04, 2010
Reconciliation of basic net earnings per share to diluted net earnings per share
Basic net earnings per share	$ 1.01	$ 1.25	$ 2.28	$ 2.89
Average shares outstanding - basic	2,740.5	2,756.6	2,739.6	2,755.7
Potential shares exercisable under stock option plans	168.9	175.5	168.8	175.4
Less: shares which could be repurchased under treasury stock method	(131.7)	(139.7)	(133.9)	(138.6)
Convertible debt shares	3.6	3.6	3.6	3.6
Average shares outstanding - diluted	2,781.3	2,796.0	2,778.1	2,796.1
Diluted net earnings per share	$ 1.00	$ 1.23	$ 2.25	$ 2.85

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