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Equity (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Apr. 01, 2018 | Apr. 01, 2018 | Apr. 02, 2017 | Apr. 26, 2018 | Oct. 01, 2017
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |
Authorized shares of common stock | 2,400,000,000 | 2,400,000,000 |  |  | 2,400,000,000
Par value of common stock | $ 0.001 | $ 0.001 |  |  | $ 0.001
Authorized shares of preferred stock | 7,500,000 | 7,500,000 |  |  |
Outstanding shares of preferred stock | 0 | 0 |  |  |
Shares of common stock repurchased |  | 55,900,000 | 19,000,000 |  |
Total cost of common stock repurchased |  | $ 3,171.4 | $ 1,046.1 |  |
Shares available for repurchase | 24,400,000 | 24,400,000 |  |  |
Cash dividend declared to shareholders | $ 0.30 | $ 0.30 |  |  |
Dividends payable, payment date | May 25, 2018 |  |  |  |
Dividends payable, record date | May 10, 2018 |  |  |  |
Subsequent Event [Member] |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |
Stock Repurchase Program, Authorized Amount |  |  |  | $ 100.0 |

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- Definition Face amount or stated value per share of common stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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