Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 26, 2015	Jun. 27, 2014	Jun. 26, 2015	Jun. 27, 2014
Numerator:
Net Earnings	$ 553	$ 529	$ 995	$ 927
Denominator:
Average Common Shares Outstanding (in shares)	988	1,003	989	1,005
Other Potentially Dilutive Common Shares (in shares)	1	0	1	1
Average Common Shares Outstanding, Assuming Dilution (in shares)	989	1,003	990	1,006
Net Earnings Per Share, Basic (in dollars per share)	$ 0.56	$ 0.53	$ 1.01	$ 0.92
Net Earnings Per Share, Assuming Dilution (in dollars per share)	$ 0.56	$ 0.53	$ 1.00	$ 0.92