Stockholder's Equity (Share Repurchase) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions			3 Months Ended				6 Months Ended
	Jan. 30, 2019	Jan. 31, 2018	Mar. 29, 2019	Dec. 28, 2018	Mar. 30, 2018	Dec. 29, 2017	Mar. 29, 2019
Equity, Class of Treasury Stock [Line Items]
Share repurchase authorized date	Jan. 30, 2019	Jan. 31, 2018
Authorized amount of stock for repurchase	$ 2,000.0
Stock repurchase program expiration date	Jan. 30, 2021
Stock repurchased			$ 141.5	$ 284.0	$ 111.8	$ 172.5	$ 425.5
Treasury Stock, Shares, Acquired			1.7				5.7
Average price of stock repurchased (in dollars per share)			$ 81.57				$ 74.20
Remaining amount authorized fro stock repurchase			$ 1,858.5				$ 1,858.5