Earnings Per Share (Details) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended
	Mar. 29, 2013		Mar. 30, 2012
Numerator:
Net Earnings	$ 459		$ 449
Denominator:
Average Common Shares Outstanding (in shares)	1,022,000,000		1,047,000,000
Other Potentially Dilutive Common Shares (in shares)	1,000,000	[1]	2,000,000	[1]
Average Common Shares Outstanding, Assuming Dilution (in shares)	1,023,000,000		1,049,000,000
Net Earnings Per Share, Basic (in dollars per share):	$ 0.45		$ 0.43
Net Earnings Per Share, Assuming Dilution (in dollars per share):	$ 0.45		$ 0.43
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
Common Stock [Member]
Denominator:
Number of shares of common stock converted from outstanding convetible debentures	245,000

[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.