Segment and Geographic Data, Selected Information by Reportable Segment (Details) $ in Millions	3 Months Ended	9 Months Ended
Jul. 03, 2021 USD ($)	Jun. 27, 2020 USD ($)	Jul. 03, 2021 USD ($) Segment	Jun. 27, 2020 USD ($)
Segment and Geographic Data [Abstract]
Number of reporting segments \| Segment			4
Selected Information by Reportable Segment [Abstract]
Net sales	$ 3,675	$ 2,910	$ 10,181	$ 8,701
Operating income	343	347	980	830
Depreciation and amortization	212	209	639	638
Consumer Packaging International [Member] \| North American Healthcare Business [Member]
Selected Information by Reportable Segment [Abstract]
Net sales				216
Consumer Packaging International [Member] \| European Films Business [Member]
Selected Information by Reportable Segment [Abstract]
Net sales				(537)
Consumer Packaging North America [Member] \| North American Healthcare Business [Member]
Selected Information by Reportable Segment [Abstract]
Net sales				(216)
Health, Hygiene & Specialties [Member] \| Tapes Business [Member]
Selected Information by Reportable Segment [Abstract]
Net sales				199
Engineered Materials [Member] \| Tapes Business [Member]
Selected Information by Reportable Segment [Abstract]
Net sales				(199)
Engineered Materials [Member] \| European Films Business [Member]
Selected Information by Reportable Segment [Abstract]
Net sales				537
Operating Segment [Member] \| Consumer Packaging International [Member]
Selected Information by Reportable Segment [Abstract]
Net sales	1,095	904	3,143	2,804
Operating income	79	80	214	176
Depreciation and amortization	88	78	258	239
Operating Segment [Member] \| Consumer Packaging North America [Member]
Selected Information by Reportable Segment [Abstract]
Net sales	847	644	2,264	1,888
Operating income	76	78	212	191
Depreciation and amortization	53	58	164	174
Operating Segment [Member] \| Health, Hygiene & Specialties [Member]
Selected Information by Reportable Segment [Abstract]
Net sales	828	669	2,349	1,923
Operating income	113	95	323	208
Depreciation and amortization	43	45	130	138
Operating Segment [Member] \| Engineered Materials [Member]
Selected Information by Reportable Segment [Abstract]
Net sales	905	693	2,425	2,086
Operating income	75	94	231	255
Depreciation and amortization	$ 28	$ 28	$ 87	$ 87

The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

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