Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $) In Millions, except Per Share data, unless otherwise specified	Mar. 30, 2013	Dec. 31, 2012
Stockholders' Equity
Preferred stock, par value	$ 100	$ 100
Common stock, par value	$ 0.01	$ 0.01
Common stock, authorized shares	600.0	600.0
Common stock, issued shares	272.9	277.3
Common stock, outstanding shares	271.7	276.1

Face amount or stated value of common stock per share; generally not indicative of the fair market value per share.

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