Restructuring and Asset Impairment Charges, Net - Restructuring Reserves Related to All Actions (Details) - USD ($) $ in Millions	Jun. 24, 2016	Sep. 25, 2015
Restructuring Cost and Reserve [Line Items]
Total	$ 109	$ 155
Accrued and other current liabilities
Restructuring Cost and Reserve [Line Items]
Total	96	140
Other liabilities
Restructuring Cost and Reserve [Line Items]
Total	$ 13	$ 15

Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

Reference 1: 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

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 5
-Section P
-Subsection 3, 4

Name:	us-gaap_RestructuringReserve
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant