Earnings Per Share (Details) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 27, 2013		Sep. 28, 2012		Sep. 27, 2013		Sep. 28, 2012
Numerator:
Net Earnings	$ 463		$ 455		$ 1,457		$ 1,416
Denominator:
Average Common Shares Outstanding (in shares)	1,017,000,000		1,038,000,000		1,021,000,000		1,042,000,000
Other Potentially Dilutive Common Shares (in shares)	1,000,000	[1]	2,000,000	[1]	0	[1]	2,000,000	[1]
Average Common Shares Outstanding, Assuming Dilution (in shares)	1,018,000,000		1,040,000,000		1,021,000,000		1,044,000,000
Net Earnings Per Share, Basic (in dollars per share):	$ 0.46		$ 0.44		$ 1.43		$ 1.36
Net Earnings Per Share, Assuming Dilution (in dollars per share):	$ 0.46		$ 0.44		$ 1.43		$ 1.36
Number of stock options excluded from the diluted earnings per share					0
Convertible Debt [Member]
Denominator:
Face value of convertible debentures still outstanding at the end of the period	$ 2				$ 2
Common Stock [Member]
Denominator:
Number of shares of common stock converted from outstanding convertible debentures					244,000

[1] Other potentially dilutive common shares include convertible debt, stock options, common stock equivalents and performance units granted under a long-term management incentive compensation plan.