Earnings Per Share (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 26, 2014	Sep. 27, 2013	Sep. 26, 2014	Sep. 27, 2013
Numerator:
Net Earnings	$ 509	$ 455	$ 1,436	$ 1,438
Dividend Equivalents on Restricted Stock	0	0	(1)	0
Net Earnings, Attributable to Common Shareholders	$ 509	$ 455	$ 1,435	$ 1,438
Denominator:
Average Common Shares Outstanding (in shares)	999	1,017	1,003	1,021
Other Potentially Dilutive Common Shares (in shares)	0	1	1	0
Average Common Shares Outstanding, Assuming Dilution (in shares)	999	1,018	1,004	1,021
Net Earnings Per Share, Basic (in dollars per share)	$ 0.51	$ 0.45	$ 1.43	$ 1.41
Net Earnings Per Share, Assuming Dilution (in dollars per share)	$ 0.51	$ 0.45	$ 1.43	$ 1.41