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Equity (Schedule of Share Repurchases) (Details) - USD ($) shares in Millions, $ in Millions | 3 Months Ended
--- | ---
Jan. 02, 2016 | Dec. 27, 2014
Class of Stock [Line Items] |  |
Payments for Repurchase of Common Stock | $ 387 | $ 91
Class A [Member] |  |
Class of Stock [Line Items] |  |
Treasury Stock, Shares, Acquired | 8.3 | 2.2
Payments for Repurchase of Common Stock | $ 387 | $ 91
Share Repurchase Program [Member] | Class A [Member] |  |
Class of Stock [Line Items] |  |
Treasury Stock, Shares, Acquired | 7.6 | 2.0
Payments for Repurchase of Common Stock | $ 357 | $ 81
Open Market Repurchases [Member] | Class A [Member] |  |
Class of Stock [Line Items] |  |
Treasury Stock, Shares, Acquired | 0.7 | 0.2
Payments for Repurchase of Common Stock | $ 30 | $ 10

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- Definition The cash outflow to reacquire common stock during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition Number of shares that have been repurchased during the period and are being held in treasury. + References 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 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 + Details
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