Basis of Presentation and Our Divisions (Segment Reporting Information by Net Revenue and Long-Lived Assets) (Details) - USD ($) $ in Millions	3 Months Ended						4 Months Ended		12 Months Ended
	Sep. 07, 2019	Jun. 15, 2019	Mar. 23, 2019	Sep. 08, 2018	Jun. 16, 2018	Mar. 24, 2018	Dec. 28, 2019	Dec. 29, 2018	Dec. 28, 2019	Dec. 29, 2018	Dec. 30, 2017
Segment Reporting Information [Line Items]
Net Revenue	$ 17,188	$ 16,449	$ 12,884	$ 16,485	$ 16,090	$ 12,562	$ 20,640	$ 19,524	$ 67,161	$ 64,661	$ 63,525
Long-Lived Assets							53,532	50,631	53,532	50,631
UNITED STATES
Segment Reporting Information [Line Items]
Net Revenue									38,644	37,148	36,546
Long-Lived Assets							30,601	29,169	30,601	29,169
MEXICO
Segment Reporting Information [Line Items]
Net Revenue									4,190	3,878	3,650
Long-Lived Assets							1,666	1,404	1,666	1,404
Russia
Segment Reporting Information [Line Items]
Net Revenue									3,263	3,191	3,232
Long-Lived Assets							4,314	3,926	4,314	3,926
CANADA
Segment Reporting Information [Line Items]
Net Revenue									2,831	2,736	2,691
Long-Lived Assets							2,695	2,565	2,695	2,565
UNITED KINGDOM
Segment Reporting Information [Line Items]
Net Revenue									1,723	1,743	1,650
Long-Lived Assets							827	759	827	759
CHINA
Segment Reporting Information [Line Items]
Net Revenue									1,300	1,164	963
Long-Lived Assets							705	509	705	509
BRAZIL
Segment Reporting Information [Line Items]
Net Revenue									1,295	1,335	1,427
Long-Lived Assets							590	639	590	639
All Other Countries [Member]
Segment Reporting Information [Line Items]
Net Revenue									13,915	13,466	$ 13,366
Long-Lived Assets							$ 12,134	$ 11,660	$ 12,134	$ 11,660