Segment and Geographic Data, Selected Information by Reportable Segment (Details) $ in Millions	1 Months Ended	2 Months Ended	3 Months Ended
	Nov. 04, 2024 Segment	Dec. 28, 2024 Segment	Dec. 28, 2024 USD ($)	Dec. 30, 2023 USD ($)
Segment and Geographic Data [Abstract]
Number of reportable segments | Segment	4	3
Selected Information by Reportable Segment [Abstract]
Net sales			$ 2,385	$ 2,333
Operating income			152	165
Depreciation and amortization			170	170
Operating Segment [Member] | Consumer Packaging International [Member]
Selected Information by Reportable Segment [Abstract]
Net sales			885	916
Operating income			28	29
Depreciation and amortization			78	80
Operating Segment [Member] | Consumer Packaging North America [Member]
Selected Information by Reportable Segment [Abstract]
Net sales			769	699
Operating income			59	60
Depreciation and amortization			58	57
Operating Segment [Member] | Flexibles [Member]
Selected Information by Reportable Segment [Abstract]
Net sales			731	718
Operating income			65	76
Depreciation and amortization			$ 34	$ 33