Segment Information - Schedule of Adjusted EBITDA (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Segment Reporting [Line Items]
Total segment net revenues	$ 944	$ 938	$ 1,821	$ 1,756
Adjusted EBITDA	171	163	302	279
Depreciation and amortization	33	33	65	65
Operating Segment
Segment Reporting [Line Items]
Total segment net revenues	940	940	1,818	1,757
Other segment items	(748)	(754)	(1,464)	(1,433)
Adjusted EBITDA	192	186	354	324
Depreciation and amortization	26	24	49	48
Operating Segment \| Reynolds Cooking & Kitchen Essentials
Segment Reporting [Line Items]
Total segment net revenues	314	295	629	554
Other segment items	(261)	(246)	(532)	(467)
Adjusted EBITDA	53	49	97	87
Depreciation and amortization	10	9	19	18
Operating Segment \| Hefty Waste & Clean-Up
Segment Reporting [Line Items]
Total segment net revenues	233	236	457	462
Other segment items	(164)	(164)	(326)	(328)
Adjusted EBITDA	69	72	131	134
Depreciation and amortization	5	5	10	10
Operating Segment \| Hefty Home & Tableware
Segment Reporting [Line Items]
Total segment net revenues	217	242	397	421
Other segment items	(174)	(207)	(325)	(369)
Adjusted EBITDA	43	35	72	52
Depreciation and amortization	6	5	11	10
Operating Segment \| Hefty Storage & Organization
Segment Reporting [Line Items]
Total segment net revenues	176	167	335	320
Other segment items	(149)	(137)	(281)	(269)
Adjusted EBITDA	27	30	54	51
Depreciation and amortization	5	5	9	10
Unallocated
Segment Reporting [Line Items]
Total segment net revenues	4	(2)	3	(1)
Adjusted EBITDA	(21)	(23)	(52)	(45)
Depreciation and amortization	$ 7	$ 9	$ 16	$ 17