Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended								12 Months Ended
	Dec. 30, 2016	Sep. 23, 2016	Jun. 24, 2016	Mar. 25, 2016	Dec. 25, 2015	Sep. 25, 2015	Jun. 26, 2015	Mar. 27, 2015	Dec. 30, 2016	Dec. 25, 2015	Dec. 26, 2014
Numerator:
Net Earnings	$ 458	$ 455	$ 445	$ 356	$ 466	$ 507	$ 553	$ 442	$ 1,714	$ 1,968	$ 1,927
Dividend Equivalents on Restricted Stock									(1)	(1)	(1)
Net Earnings, Attributable to Common Shareholders									$ 1,713	$ 1,967	$ 1,926
Denominator:
Average Common Shares Outstanding (in shares)									947	983	1,001
Other Potentially Dilutive Common Shares (in shares)									1	1	1
Average Common Shares Outstanding, Assuming Dilution (in shares)									948	984	1,002
Net Earnings Per Share, Basic (in dollars per share)	$ 0.49	$ 0.48	$ 0.47	$ 0.37	$ 0.48	$ 0.52	$ 0.56	$ 0.45	$ 1.81	$ 2.00	$ 1.93
Net Earnings Per Share, Assuming Dilution (in dollars per share)	$ 0.49	$ 0.48	$ 0.47	$ 0.37	$ 0.48	$ 0.52	$ 0.56	$ 0.45	$ 1.81	$ 2.00	$ 1.92