Segment Information - Schedule of Adjusted EBITDA (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Segment Reporting Information [Line Items]
Total segment net revenues	$ 3,721	$ 3,695	$ 3,756
Adjusted EBITDA	667	678	636
Depreciation and amortization	135	129	124
Capital expenditures	161	120	104
Total assets	4,936	4,873
Net revenues
Segment Reporting Information [Line Items]
Total segment net revenues	3,721	3,695	3,756
Intersegment revenues
Segment Reporting Information [Line Items]
Total segment net revenues	0	0	0
Operating Segment
Segment Reporting Information [Line Items]
Total segment net revenues	3,748	3,720	3,775
Other segment items	(2,987)	(2,949)	(3,044)
Adjusted EBITDA	761	771	731
Depreciation and amortization	101	95	87
Capital expenditures	141	117	93
Total assets	1,423	1,356
Operating Segment | Net revenues
Segment Reporting Information [Line Items]
Total segment net revenues	3,726	3,698	3,750
Operating Segment | Intersegment revenues
Segment Reporting Information [Line Items]
Total segment net revenues	22	22	25
Operating Segment | Reynolds Cooking & Baking
Segment Reporting Information [Line Items]
Total segment net revenues	1,259	1,206	1,237
Other segment items	(1,040)	(990)	(1,060)
Adjusted EBITDA	219	216	177
Depreciation and amortization	39	33	31
Capital expenditures	50	50	46
Total assets	612	563
Operating Segment | Reynolds Cooking & Baking | Net revenues
Segment Reporting Information [Line Items]
Total segment net revenues	1,259	1,206	1,237
Operating Segment | Reynolds Cooking & Baking | Intersegment revenues
Segment Reporting Information [Line Items]
Total segment net revenues	0	0	0
Operating Segment | Hefty Waste & Storage
Segment Reporting Information [Line Items]
Total segment net revenues	1,011	981	960
Other segment items	(732)	(704)	(695)
Adjusted EBITDA	279	277	265
Depreciation and amortization	20	21	19
Capital expenditures	48	19	11
Total assets	318	282
Operating Segment | Hefty Waste & Storage | Net revenues
Segment Reporting Information [Line Items]
Total segment net revenues	1,003	971	949
Operating Segment | Hefty Waste & Storage | Intersegment revenues
Segment Reporting Information [Line Items]
Total segment net revenues	8	10	11
Operating Segment | Hefty Tableware
Segment Reporting Information [Line Items]
Total segment net revenues	850	936	984
Other segment items	(717)	(788)	(807)
Adjusted EBITDA	133	148	177
Depreciation and amortization	22	20	16
Capital expenditures	32	36	28
Total assets	242	259
Operating Segment | Hefty Tableware | Net revenues
Segment Reporting Information [Line Items]
Total segment net revenues	850	936	984
Operating Segment | Hefty Tableware | Intersegment revenues
Segment Reporting Information [Line Items]
Total segment net revenues	0	0	0
Operating Segment | Presto Products
Segment Reporting Information [Line Items]
Total segment net revenues	628	597	594
Other segment items	(498)	(467)	(482)
Adjusted EBITDA	130	130	112
Depreciation and amortization	20	21	21
Capital expenditures	11	12	8
Total assets	251	252
Operating Segment | Presto Products | Net revenues
Segment Reporting Information [Line Items]
Total segment net revenues	614	585	580
Operating Segment | Presto Products | Intersegment revenues
Segment Reporting Information [Line Items]
Total segment net revenues	14	12	14
Unallocated
Segment Reporting Information [Line Items]
Total segment net revenues	(27)	(25)	(19)
Adjusted EBITDA	(94)	(93)	(95)
Depreciation and amortization	34	34	37
Capital expenditures	20	3	11
Total assets	3,513	3,517
Unallocated | Net revenues
Segment Reporting Information [Line Items]
Total segment net revenues	(5)	(3)	6
Unallocated | Intersegment revenues
Segment Reporting Information [Line Items]
Total segment net revenues	$ (22)	$ (22)	$ (25)