Earnings Per Share (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 27, 2014	Jun. 28, 2013	Jun. 27, 2014	Jun. 28, 2013
Numerator:
Net Earnings	$ 529	$ 521	$ 927	$ 983
Denominator:
Average Common Shares Outstanding (in shares)	1,003	1,022	1,005	1,022
Other Potentially Dilutive Common Shares (in shares)	0	1	1	1
Average Common Shares Outstanding, Assuming Dilution (in shares)	1,003	1,023	1,006	1,023
Net Earnings Per Share, Basic (in dollars per share)	$ 0.53	$ 0.51	$ 0.92	$ 0.96
Net Earnings Per Share, Assuming Dilution (in dollars per share)	$ 0.53	$ 0.51	$ 0.92	$ 0.96