Supplemental Financial Information (Schedule of Other Supplemental Information) (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 29, 2018		Dec. 30, 2017	Dec. 31, 2016
Supplemental Financial Information [Abstract]
Operating Leases, Future Minimum Payments Due, Next Twelve Months		$ 459
Rent expense		771		$ 742	$ 701
Interest paid	[1]	1,388		1,123	1,102
Income taxes paid, net of refunds		1,203	[2]	$ 1,962	$ 1,393
Operating Leases, Future Minimum Payments, Due in Two Years		406
Operating Leases, Future Minimum Payments, Due in Three Years		294
Operating Leases, Future Minimum Payments, Due in Four Years		210
Operating Leases, Future Minimum Payments, Due in Five Years		161
Operating Leases, Future Minimum Payments, Due Thereafter		310
Operating Leases, Future Minimum Payments Due		$ 1,840

[1] In 2018 and 2016, excludes the premiums paid in accordance with the debt transactions discussed in Note 8.

[2] In 2018, includes tax payments of $115 million related to the TCJ Act.