Condensed Consolidated Balance Sheet (Parenthetical) (USD $) In Millions, except Share data, unless otherwise specified	Mar. 24, 2012	Dec. 31, 2011
Condensed Consolidated Balance Sheet [Abstract]
Accounts and notes receivable, allowance	$ 168	$ 157
Preferred stock, par value
Common stock, par value	$ 0.01666	$ 0.01666
Common stock, authorized	3,600,000,000	3,600,000,000
Common stock, issued	1,865,000,000	1,865,000,000
Repurchased common stock, shares	298,000,000	301,000,000