Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($) $ in Millions	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Loss [Member]	Retained Earnings [Member]	Total
Balance at Sep. 29, 2018	$ 1	$ 870	$ (156)	$ 719	$ 1,434
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	0	0	0	88	88
Other comprehensive income (loss)	0	0	(21)	0	(21)
Share-based compensation	0	3	0	0	3
Proceeds from issuance of common stock	0	5	0	0	5
Common stock repurchased and retired	0	(2)	0	(52)	(54)
Balance at Dec. 29, 2018	1	876	(177)	755	1,455
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Adoption of lease accounting standard | ASU 2016-02 [Member]	0	0	0	(5)	(5)
Balance at Sep. 28, 2019	1	949	(386)	1,054	1,618
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	0	0	0	47	47
Other comprehensive income (loss)	0	0	105	0	105
Share-based compensation	0	19	0	0	19
Proceeds from issuance of common stock	0	2	0	0	2
Balance at Dec. 28, 2019	$ 1	$ 970	$ (281)	$ 1,096	$ 1,786