Consolidated Balance Sheet (Parenthetical) (USD $)	Dec. 29, 2012	Dec. 31, 2011
Consolidated Balance Sheet
Common stock, par value	$ 0.25	$ 0.25
Common stock, shares, issued	419,718,217	419,484,087
Common stock, shares authorized	1,000,000,000	1,000,000,000
Treasury stock, shares	58,452,083	62,182,500