Segment and Geographic Data, Selected Information by Reportable Segment (Details) $ in Millions	3 Months Ended
Dec. 30, 2023 USD ($) Segment	Dec. 31, 2022 USD ($)
Segment and Geographic Data [Abstract]
Number of reporting segments \| Segment	4
Selected Information by Reportable Segment [Abstract]
Net sales	$ 2,853	$ 3,060
Operating income	157	210
Depreciation and amortization	214	199
Operating Segment [Member] \| Consumer Packaging International [Member]
Selected Information by Reportable Segment [Abstract]
Net sales	917	936
Operating income	31	47
Depreciation and amortization	81	74
Operating Segment [Member] \| Consumer Packaging North America [Member]
Selected Information by Reportable Segment [Abstract]
Net sales	699	764
Operating income	63	71
Depreciation and amortization	57	51
Operating Segment [Member] \| Health, Hygiene & Specialties [Member]
Selected Information by Reportable Segment [Abstract]
Net sales	603	663
Operating income	(3)	34
Depreciation and amortization	46	44
Operating Segment [Member] \| Flexibles [Member]
Selected Information by Reportable Segment [Abstract]
Net sales	634	697
Operating income	66	58
Depreciation and amortization	$ 30	$ 30

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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