Segment Reporting (Segment Reporting Information, By Segment) (Details) $ in Millions	3 Months Ended				9 Months Ended				12 Months Ended
	Jun. 27, 2015 USD ($)		Jun. 28, 2014 USD ($) Facilities		Jun. 27, 2015 USD ($)		Jun. 28, 2014 USD ($) Facilities		Sep. 27, 2014 USD ($) Facilities
Segment Reporting Information [Line Items]
Sales	$ 10,071		$ 9,682		$ 30,867		$ 27,475
Operating Income (Loss)	563		351		1,619		1,124
Total Other (Income) Expense	(45)	[1]	(41)	[2]	(183)	[1]	(90)	[2]
Income before Income Taxes	518		310		1,436		1,034
Prepared Foods [Member]
Segment Reporting Information [Line Items]
Business Combination, Acquisition Related Costs	1				10
Other Nonoperating Income (Expense) [Member]
Segment Reporting Information [Line Items]
Gain (Loss) on Sale of Equity Investments	21				21
Expense Associated with Bridge Facility							22
Operating Segments [Member] | Chicken [Member]
Segment Reporting Information [Line Items]
Sales	2,757		2,829		8,366		8,327
Operating Income (Loss)	313		195		996		682
Operating Segments [Member] | Beef [Member]
Segment Reporting Information [Line Items]
Sales	4,305		4,189		12,826		11,748
Operating Income (Loss)	(7)		101		(33)		194
Operating Segments [Member] | Pork [Member]
Segment Reporting Information [Line Items]
Sales	1,207		1,766		3,951		4,677
Operating Income (Loss)	64		128		285		356
Operating Segments [Member] | Prepared Foods [Member]
Segment Reporting Information [Line Items]
Sales	1,810		901		5,814		2,669
Operating Income (Loss)	207	[3]	(50)	[4]	438	[3]	(13)	[4]
Operating Segments [Member] | International [Member]
Segment Reporting Information [Line Items]
Sales	244		365		771		1,020
Operating Income (Loss)	1		(15)		(28)		(73)
Segment Reconciling Items [Member]
Segment Reporting Information [Line Items]
Sales	0		0		0		0
Operating Income (Loss)	(15)	[1]	(8)	[2]	(39)	[1]	(22)	[2]
Business Combination, Acquisition Related Costs	15		7		39		7
Intersegment Elimination [Member]
Segment Reporting Information [Line Items]
Sales	(252)		(368)		(861)		(966)
Intersegment Elimination [Member] | Chicken [Member]
Segment Reporting Information [Line Items]
Sales	6		2		13		6
Intersegment Elimination [Member] | Beef [Member]
Segment Reporting Information [Line Items]
Sales	93		83		248		213
Intersegment Elimination [Member] | Pork [Member]
Segment Reporting Information [Line Items]
Sales	153		$ 283		600		$ 747
Activity From Fire Related Damages [Member] | Prepared Foods [Member]
Segment Reporting Information [Line Items]
Unusual or Infrequent Item, Insurance Proceeds	$ 11
Other Nonrecurring (Income) Expense					$ 17
Facility Closing [Member] | Prepared Foods [Member]
Segment Reporting Information [Line Items]
Plants Closed | Facilities			3				3		3
Facility Closing [Member] | Operating Segments [Member] | Prepared Foods [Member]
Segment Reporting Information [Line Items]
Asset Impairment Charges			$ 49				$ 49		$ 52
Bridge Facility Commitment [Member] | Hillshire Brands Company [Member] | Other Nonoperating Income (Expense) [Member]
Segment Reporting Information [Line Items]
Expense Associated with Bridge Facility			$ 22				$ 22

[1] Operating income in Other includes merger and integration costs of $15 million and $39 million for the three and nine months ended June 27, 2015, respectively, and Other (Income) Expense includes a $21 million gain on the sale of equity securities.

[2] Operating income in Other includes $7 million related to merger and integration costs and Other (Income) Expense includes $22 million related to costs associated with bridge financing facilities, both incurred as part of the Hillshire Brands acquisition.

[3] Includes merger and integration costs of $1 million and $10 million for the three and nine months ended June 27, 2015, respectively, and $11 million net proceeds and $17 million net costs related to a legacy Hillshire Brands plant fire for the three and nine months ended June 27, 2015, respectively.

[4] Includes $49 million impairment charge related to the closure of three Prepared Foods plants.