Earnings per Share (EPS) and Common Stock (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended
	Jan. 02, 2016	Jan. 03, 2015	Sep. 30, 2014	Sep. 30, 2015	Aug. 14, 2014	Aug. 04, 2014
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock option restricted shares and restricted stock units excluded from computation of EPS, shares	1,970,000
Common stock, shares authorized	500,000,000			500,000,000
Stock Repurchase Program, Authorized Amount						$ 600
Accelerated Share Repurchases, Settlement (Payment) or Receipt					$ 125
Stock repurchased during period, shares		1,100,000	2,300,000