Quarterly Financial Data (Unaudited) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 28, 2012	Sep. 28, 2012	Jun. 29, 2012	Mar. 30, 2012	Dec. 30, 2011	Sep. 30, 2011	Jul. 01, 2011	Apr. 01, 2011	Dec. 28, 2012	Dec. 30, 2011	Dec. 31, 2010
Selected Quarterly Financial Information [Abstract]
Revenue	$ 2,884	$ 2,894	$ 3,012	$ 2,966	$ 2,951	$ 2,963	$ 3,019	$ 2,810	$ 11,756	$ 11,743	$ 10,636
Operating Income	804	854	943	856	841	878	926	773	3,457	3,418	3,071
Net Earnings	$ 443	$ 455	$ 512	$ 449	$ 457	$ 464	$ 506	$ 395	$ 1,859	$ 1,822	$ 1,563
Earnings Per Share, Basic	$ 0.43	$ 0.44	$ 0.49	$ 0.43	$ 0.44	$ 0.43	$ 0.46	$ 0.36	$ 1.79	$ 1.68	$ 1.37
Earnings Per Share, Assuming Dilution	$ 0.43	$ 0.44	$ 0.49	$ 0.43	$ 0.43	$ 0.43	$ 0.46	$ 0.35	$ 1.79	$ 1.67	$ 1.35