Condensed Consolidated Statements of Income (Loss) (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Income Statement [Abstract]
Net revenues	$ 1,640	$ 1,352	$ 3,135	$ 2,516
Cost of sales	(1,332)	(1,202)	(2,595)	(2,258)
Gross profit	308	150	540	258
Selling, general and administrative expenses	(148)	(115)	(290)	(241)
Restructuring, asset impairment and other related charges	(1)	(10)	(1)	(8)
Other income, net	12	5	40	11
Operating income from continuing operations	171	30	289	20
Non-operating (expense) income, net	(2)	25	8	48
Interest expense, net	(50)	(42)	(99)	(84)
Income (loss) from continuing operations before tax	119	13	198	(16)
Income tax (expense) benefit	(45)	(5)	(81)	13
Income (loss) from continuing operations	74	8	117	(3)
Loss from discontinued operations, net of income taxes		(1)		(4)
Net income (loss)	74	7	117	(7)
Income attributable to non-controlling interests	(1)		(1)	(1)
Net income (loss) attributable to Pactiv Evergreen Inc. common shareholders	$ 73	$ 7	$ 116	$ (8)
From continuing operations
Basic	$ 0.41	$ 0.05	$ 0.65	$ (0.02)
Diluted	0.40	0.05	0.65	(0.02)
From discontinued operations
Basic		(0.01)		(0.02)
Diluted		(0.01)		(0.02)
Total
Basic	0.41	0.04	0.65	(0.04)
Diluted	$ 0.40	$ 0.04	$ 0.65	$ (0.04)