Condensed Consolidated Statements of Income (Loss) (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Income Statement [Abstract]
Net revenues	$ 1,495	$ 1,164
Cost of sales	(1,263)	(1,056)
Gross profit	232	108
Selling, general and administrative expenses	(142)	(126)
Restructuring, asset impairment and other related charges		2
Other income, net	28	6
Operating income (loss) from continuing operations	118	(10)
Non-operating income, net	10	23
Interest expense, net	(49)	(42)
Income (loss) from continuing operations before tax	79	(29)
Income tax (expense) benefit	(36)	18
Income (loss) from continuing operations	43	(11)
Loss from discontinued operations, net of income taxes		(3)
Net income (loss)	43	(14)
Income attributable to non-controlling interests		(1)
Net income (loss) attributable to Pactiv Evergreen Inc. common shareholders	$ 43	$ (15)
From continuing operations
Basic	$ 0.24	$ (0.07)
Diluted	0.24	(0.07)
From discontinued operations
Basic		(0.02)
Diluted		(0.02)
Total
Basic	0.24	(0.09)
Diluted	$ 0.24	$ (0.09)