Segment and Geographic Data, Selected Information by Reportable Segment (Details) $ in Millions	3 Months Ended	6 Months Ended
Mar. 30, 2024 USD ($)	Apr. 01, 2023 USD ($)	Mar. 30, 2024 USD ($) Segment	Apr. 01, 2023 USD ($)
Segment and Geographic Data [Abstract]
Number of reporting segments \| Segment			4
Selected Information by Reportable Segment [Abstract]
Net sales	$ 3,076	$ 3,288	$ 5,929	$ 6,348
Operating income	208	301	365	511
Depreciation and amortization	214	200	428	399
Operating Segment [Member] \| Consumer Packaging International [Member]
Selected Information by Reportable Segment [Abstract]
Net sales	968	1,059	1,885	1,995
Operating income	3	75	34	121
Depreciation and amortization	81	77	161	151
Operating Segment [Member] \| Consumer Packaging North America [Member]
Selected Information by Reportable Segment [Abstract]
Net sales	751	774	1,451	1,537
Operating income	77	93	140	164
Depreciation and amortization	57	54	114	105
Operating Segment [Member] \| Health, Hygiene & Specialties [Member]
Selected Information by Reportable Segment [Abstract]
Net sales	646	677	1,248	1,340
Operating income	33	34	30	68
Depreciation and amortization	45	44	91	88
Operating Segment [Member] \| Flexibles [Member]
Selected Information by Reportable Segment [Abstract]
Net sales	711	778	1,345	1,476
Operating income	95	99	161	158
Depreciation and amortization	$ 31	$ 25	$ 62	$ 55

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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