Equity (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended	9 Months Ended
	Jul. 02, 2017	Jul. 02, 2017	Jun. 26, 2016	Oct. 02, 2016
Equity [Abstract]
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		22,400,000	27,600,000
Total cost of common stock repurchased		$ 1,254.1	$ 1,590.4
Shares available for repurchase	95,400,000	95,400,000
Cash dividend declared to shareholders	$ 0.25	$ 0.25
Dividends payable, payment date	Aug. 25, 2017
Dividends payable, record date	Aug. 10, 2017