Equity and Comprehensive Income - Share Repurchase Program (Narrative) (Details) - USD ($)	3 Months Ended	9 Months Ended
Jun. 24, 2016	Jun. 26, 2015	Jun. 24, 2016	Jun. 26, 2015	Sep. 30, 2014	Mar. 31, 2014
Equity [Abstract]
Approved share repurchase program, authorized amount	$ 1,750,000,000.00		$ 1,750,000,000.00		$ 1,000,000,000.0	$ 1,750,000,000.00
Approved share repurchase program, shares repurchased (in shares)	0	0	0	10,000,000
Approved share repurchase program, shares repurchased, value				$ 417,000,000
Approved share repurchase program, remaining authorized repurchase amount, value	$ 1,000,000,000		$ 1,000,000,000

Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 29, 30, 31
-Article 5

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Article 3

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration