Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Millions	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Loss [Member]	Retained Earnings [Member]	Total	Adjustment for Adoption of New Accounting Standard [Member] Common Stock [Member]	Adjustment for Adoption of New Accounting Standard [Member] Additional Paid-in Capital [Member]	Adjustment for Adoption of New Accounting Standard [Member] Accumulated Other Comprehensive Loss [Member]	Adjustment for Adoption of New Accounting Standard [Member] Retained Earnings [Member]	Adjustment for Adoption of New Accounting Standard [Member]
Balance at Sep. 28, 2019	$ 1	$ 949	$ (386)	$ 1,054	$ 1,618
Balance (ASU 2016-02 Related to Leases [Member]) at Sep. 28, 2019						$ 0	$ 0	$ 0	$ (5)	$ (5)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	0	0	0	47	47
Other comprehensive income	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
Balance at Sep. 26, 2020	1	1,034	(551)	1,608	2,092
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	0	0	0	130	130
Other comprehensive income	0	0	195	0	195
Share-based compensation	0	21	0	0	21
Proceeds from issuance of common stock	0	7	0	0	7
Balance at Jan. 02, 2021	$ 1	$ 1,062	$ (356)	$ 1,738	$ 2,445