Property, Plant and Equipment and Intangible Assets (Schedule of Property, Plant and Equipment and Intangible Assets) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 30, 2017	Dec. 31, 2016	Dec. 26, 2015
Property, Plant and Equipment [Line Items]
Nonamortizable Intangible Assets	$ 27,314	$ 26,626	$ 25,988
Goodwill and Indefinite-lived Intangible Assets, Translation and Purchase Accounting Adjustments	688	638
Property, plant and equipment, net:
Property, plant and equipment, gross	39,106	36,818
Accumulated depreciation	(21,866)	(20,227)
Property, Plant and Equipment, net	17,240	16,591
Depreciation	2,227	2,217	2,248
Amortizable intangible assets, net:
Amortizable intangible assets, gross	2,807	2,732
Accumulated amortization	(1,539)	(1,495)
Amortizable intangible assets, net	1,268	1,237
Amortization of intangible assets	68	70	75
Land [Member]
Property, plant and equipment, net:
Property, plant and equipment, gross	$ 1,148	1,153
Land [Member] | Minimum
Property, plant and equipment, net:
Average Useful Life (Years)	0 years
Land [Member] | Maximum
Property, plant and equipment, net:
Average Useful Life (Years)	0 years
Buildings And Improvements
Property, plant and equipment, net:
Property, plant and equipment, gross	$ 8,796	8,306
Buildings And Improvements | Minimum
Property, plant and equipment, net:
Average Useful Life (Years)	15 years
Buildings And Improvements | Maximum
Property, plant and equipment, net:
Average Useful Life (Years)	44 years
Machinery And Equipment, Including Fleet And Software
Property, plant and equipment, net:
Property, plant and equipment, gross	$ 27,018	25,277
Machinery And Equipment, Including Fleet And Software | Minimum
Property, plant and equipment, net:
Average Useful Life (Years)	5 years
Machinery And Equipment, Including Fleet And Software | Maximum
Property, plant and equipment, net:
Average Useful Life (Years)	15 years
Construction In Progress
Property, plant and equipment, net:
Property, plant and equipment, gross	$ 2,144	2,082
Acquired Franchise Rights
Amortizable intangible assets, net:
Amortizable intangible assets, gross	858	827
Accumulated amortization	(128)	(108)
Amortizable intangible assets, net	$ 730	719
Acquired Franchise Rights | Minimum
Amortizable intangible assets, net:
Average Useful Life (Years)	56 years
Acquired Franchise Rights | Maximum
Amortizable intangible assets, net:
Average Useful Life (Years)	60 years
Reacquired Franchise Rights
Amortizable intangible assets, net:
Amortizable intangible assets, gross	$ 106	106
Accumulated amortization	(104)	(102)
Amortizable intangible assets, net	$ 2	4
Reacquired Franchise Rights | Minimum
Amortizable intangible assets, net:
Average Useful Life (Years)	5 years
Reacquired Franchise Rights | Maximum
Amortizable intangible assets, net:
Average Useful Life (Years)	14 years
Other Identifiable Intangibles
Amortizable intangible assets, net:
Amortizable intangible assets, gross	$ 521	522
Accumulated amortization	(281)	(308)
Amortizable intangible assets, net	$ 240	214
Other Identifiable Intangibles | Minimum
Amortizable intangible assets, net:
Average Useful Life (Years)	10 years
Other Identifiable Intangibles | Maximum
Amortizable intangible assets, net:
Average Useful Life (Years)	24 years
ESSA
Property, Plant and Equipment [Line Items]
Nonamortizable Intangible Assets	$ 6,741	6,207	5,932
Goodwill and Indefinite-lived Intangible Assets, Translation and Purchase Accounting Adjustments	534	275
Amortizable intangible assets, net:
Amortization of intangible assets	22	18	20
AMENA
Property, Plant and Equipment [Line Items]
Nonamortizable Intangible Assets	539	515	523
Goodwill and Indefinite-lived Intangible Assets, Translation and Purchase Accounting Adjustments	24	(8)
Amortizable intangible assets, net:
Amortization of intangible assets	3	3	3
Goodwill [Member]
Property, Plant and Equipment [Line Items]
Nonamortizable Intangible Assets	14,744	14,430	14,177
Goodwill and Indefinite-lived Intangible Assets, Translation and Purchase Accounting Adjustments	314	253
Goodwill [Member] | ESSA
Property, Plant and Equipment [Line Items]
Nonamortizable Intangible Assets	3,452	3,177	3,042
Goodwill and Indefinite-lived Intangible Assets, Translation and Purchase Accounting Adjustments	275	135
Goodwill [Member] | AMENA
Property, Plant and Equipment [Line Items]
Nonamortizable Intangible Assets	428	412	$ 418
Goodwill and Indefinite-lived Intangible Assets, Translation and Purchase Accounting Adjustments	$ 16	$ (6)