The number of new shares issued in the conversion of stock in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

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Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

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Summary of Significant Accounting Policies - Additional Information (Details)			6 Months Ended
	Feb. 07, 2020 shares	Feb. 04, 2020 $ / shares shares	Jun. 30, 2021 Segment
Related Party Transaction [Line Items]
Number of reportable segments \| Segment			4
Pactiv Evergreen Inc.
Related Party Transaction [Line Items]
Outstanding common stock shares exchanged immediately prior to IPO		155,455
Pactiv Evergreen Inc. \| Underwriters
Related Party Transaction [Line Items]
Number of common stock shares sold	7,075,500
IPO \| Pactiv Evergreen Inc.
Related Party Transaction [Line Items]
Number of common stock shares sold		54,245,500
Shares issued, price per share \| $ / shares		$ 26.00