Restructuring and Related Charges Current and Estimated Restructuring Charges (Details) - Financial Fitness Program [Member] $ in Millions	3 Months Ended	6 Months Ended
Dec. 30, 2017 USD ($)	Dec. 30, 2017 USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost	$ 19	$ 169
Restructuring and Related Cost, Expected Cost	218	218
Operating Segments [Member] \| Beef
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost	1	9
Restructuring and Related Cost, Expected Cost	13	13
Operating Segments [Member] \| Pork
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost	1	4
Restructuring and Related Cost, Expected Cost	6	6
Operating Segments [Member] \| Chicken
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost	9	65
Restructuring and Related Cost, Expected Cost	89	89
Operating Segments [Member] \| Prepared Foods
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost	8	90
Restructuring and Related Cost, Expected Cost	109	109
Operating Segments [Member] \| Other
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	1	1
Segment Reconciling Items [Member] \| Other
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost	$ 0	$ 1

Amount expected to be recognized in earnings for the specified restructuring cost.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SAB Topic 5.P.4(b))
-URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747

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