Earnings Per Share (Details) (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended								1 Months Ended	12 Months Ended
	Dec. 30, 2011		Dec. 31, 2010		Dec. 25, 2009		Dec. 30, 2011 Convertible Debt [Member]	Dec. 31, 2010 Convertible Debt [Member]	May 31, 2011 Common Stock [Member]	Dec. 30, 2011 Common Stock [Member]	Dec. 31, 2010 Common Stock [Member]	Jun. 15, 2011 Common Stock [Member]
Earnings Per Share, Basic and Diluted, by Common Class [Line Items]
Stock Split, Conversion Ratio									3
Additional shares received by shareholders as a result of stock split												2
Numerator:
Earnings from Continuing Operations	$ 1,822		$ 1,563		$ 1,128
Interest Expense on Convertible Debt - Net of Tax	1		0		0
Earnings from Continuing Operations, Attributable to Common Shareholders	1,823		1,563		1,128
Denominator:
Average Common Shares Outstanding	1,083,000,000	[1]	1,143,000,000	[1]	1,176,000,000	[1]
Other Potentially Dilutive Common Shares	6,000,000	[2]	11,000,000	[2]	11,000,000	[2]
Average Common Shares Outstanding, Assuming Dilution	1,089,000,000	[1]	1,154,000,000	[1]	1,187,000,000	[1]
Earnings Per Share, Continuing Operations, Basic	$ 1.68	[1]	$ 1.37	[1]	$ 0.96	[1]
Earnings Per Share, Continuing Operations, Assuming Dilution	$ 1.67	[1]	$ 1.35	[1]	$ 0.95	[1]
Number of stock options excluded from the diluted earnings per share	0
Face value of convertible debentures							6	21
Number of shares of common stock converted from convetible debentures							1,000,000	2,000,000		675,000	2,200,000
Face value of convertible debentures still outstanding at the end of the period							$ 4
Number of shares of common stock converted from outstanding convetible debentures										401,000

[1] All share and per share data were retroactively restated to reflect the three-for-one stock split effective May 31, 2011.

[2] 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.