Dispositions (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
Jan. 02, 2021	Dec. 28, 2019	Sep. 26, 2020
Dispositions [Abstract]
Proceeds from sale of business	$ 140	$ 0
Net sales	3,136	$ 2,816
U.S. Flexible Packaging Converting Business [Member]
Dispositions [Abstract]
Proceeds from sale of business	140
Gain on sale of business	$ 7
Net sales			$ 203

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 7: http://www.xbrl.org/2003/role/disclosureRef
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+ Details