Segment and Geographic Data, Selected Information by Reportable Segment (Details) $ in Millions	3 Months Ended	9 Months Ended
Jun. 27, 2020 USD ($)	Jun. 29, 2019 USD ($)	Jun. 27, 2020 USD ($) Segment	Jun. 29, 2019 USD ($)
Segment and Geographic Data [Abstract]
Number of reporting segments \| Segment			4
Selected Information by Reportable Segment [Abstract]
Net sales	$ 2,910	$ 1,937	$ 8,701	$ 5,859
Operating income	347	215	830	576
Depreciation and amortization	209	127	638	397
Operating Segment [Member] \| Consumer Packaging International [Member]
Selected Information by Reportable Segment [Abstract]
Net sales	1,020	52	3,125	153
Operating income	89	(1)	195	(2)
Depreciation and amortization	79	4	240	12
Operating Segment [Member] \| Consumer Packaging North America [Member]
Selected Information by Reportable Segment [Abstract]
Net sales	718	652	2,104	1,892
Operating income	93	73	226	168
Depreciation and amortization	62	50	190	156
Operating Segment [Member] \| Engineered Materials [Member]
Selected Information by Reportable Segment [Abstract]
Net sales	564	630	1,747	1,910
Operating income	81	83	239	250
Depreciation and amortization	25	27	80	87
Operating Segment [Member] \| Health, Hygiene & Specialties [Member]
Selected Information by Reportable Segment [Abstract]
Net sales	608	603	1,725	1,904
Operating income	84	60	170	160
Depreciation and amortization	$ 43	$ 46	$ 128	$ 142

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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