Restructuring and Transaction Activities, Restructuring Charges by Segment (Details) - USD ($) $ in Millions	3 Months Ended
	Jan. 01, 2022	Jan. 02, 2021
Restructuring Charges [Abstract]
Restructuring and transaction activities	$ 3	$ (1)
Consumer Packaging International [Member]
Restructuring Charges [Abstract]
Restructuring and transaction activities	2	3
Consumer Packaging North America [Member]
Restructuring Charges [Abstract]
Restructuring and transaction activities	1	1
Health, Hygiene & Specialties [Member]
Restructuring Charges [Abstract]
Restructuring and transaction activities	(1)	0
Engineered Materials [Member]
Restructuring Charges [Abstract]
Restructuring and transaction activities	$ 1	(5)	[1]
Engineered Materials [Member] | U.S. Flexible Packaging Converting Business [Member]
Restructuring Charges [Abstract]
Pretax gain on disposition of business		$ 7

[1] January 2, 2021 includes $7 million pretax gain on the sale of U.S. Flexible Packaging Converting business