Supplemental Financial Information (Schedule of Other Supplemental Information) (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 30, 2017	Dec. 31, 2016	Dec. 26, 2015
Supplemental Financial Information [Abstract]
Operating Leases, Future Minimum Payments Due, Next Twelve Months		$ 452
Rent expense		742	$ 701	$ 696
Interest paid	[1]	1,123	1,102	952
Income taxes paid, net of refunds		1,962	$ 1,393	$ 1,808
Operating Leases, Future Minimum Payments, Due in Two Years		403
Operating Leases, Future Minimum Payments, Due in Three Years		297
Operating Leases, Future Minimum Payments, Due in Four Years		215
Operating Leases, Future Minimum Payments, Due in Five Years		160
Operating Leases, Future Minimum Payments, Due Thereafter		367
Operating Leases, Future Minimum Payments Due		$ 1,894

[1] In 2016, interest paid excludes the premium paid in accordance with the “make-whole” provisions of the debt redemption discussed in Note 8.