Consolidated Balance Sheets (Parenthetical) (USD $)	Dec. 31, 2011	Dec. 25, 2010
Consolidated Balance Sheets [Abstract]
Common stock, par value	$ 1	$ 1
Common stock, shares authorized	1,000,000,000	1,000,000,000
Common stock, shares issued	779,675,000	780,969,000
Common stock, shares outstanding	779,675,000	780,969,000