Earnings Per Share - Computation of Basic Earnings Per Share, Assuming Dilution (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 23, 2016	Sep. 25, 2015	Sep. 23, 2016	Sep. 25, 2015
Numerator:
Net Earnings	$ 455	$ 507	$ 1,256	$ 1,502
Dividend Equivalents on Restricted Stock	0	0	(1)	(1)
Net Earnings, Attributable to Common Shareholders	$ 455	$ 507	$ 1,255	$ 1,501
Denominator:
Average Common Shares Outstanding (in shares)	942	981	952	986
Other Potentially Dilutive Common Shares (in shares)	1	1	1	1
Average Common Shares Outstanding, Assuming Dilution (in shares)	943	982	953	987
Net Earnings Per Share, Basic (in dollars per share)	$ 0.48	$ 0.52	$ 1.32	$ 1.52
Net Earnings Per Share, Assuming Dilution (in dollars per share)	$ 0.48	$ 0.52	$ 1.32	$ 1.52