Equity (Schedule of Share Repurchases) (Details) - Class A [Member] - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Jul. 03, 2021	Jun. 27, 2020	Jul. 03, 2021	Jun. 27, 2020
Class of Stock [Line Items]
Treasury Stock, Shares, Acquired	0.2	0.1	0.7	2.4
Payments for Repurchase of Common Stock	$ 16	$ 4	$ 50	$ 200
Under share repurchase program
Class of Stock [Line Items]
Treasury Stock, Shares, Acquired	0.0	0.0	0.0	1.8
Payments for Repurchase of Common Stock	$ 0	$ 0	$ 0	$ 150
To fund certain obligations under equity compensation plans
Class of Stock [Line Items]
Treasury Stock, Shares, Acquired	0.2	0.1	0.7	0.6
Payments for Repurchase of Common Stock	$ 16	$ 4	$ 50	$ 50