RELATED PARTY TRANSACTIONS - Narrative (Details) - Affiliated Entity - USD ($) $ in Millions	6 Months Ended
Jun. 30, 2022	Dec. 31, 2021
Offtake Agreement
Related Party Transaction [Line Items]
Due to related parties, current		$ 77
Offtake Agreement \| International Paper
Related Party Transaction [Line Items]
Related party transaction, expenses from related party	$ 147
Fiber Purchase Agreement \| International Paper
Related Party Transaction [Line Items]
Related party transaction, expenses from related party	47
Transition Services Agreement \| International Paper
Related Party Transaction [Line Items]
Expenses from transition services agreement	16
Professional Services
Related Party Transaction [Line Items]
Contract assets	1	3
Inventory Purchases
Related Party Transaction [Line Items]
Due to related parties, current	$ 84	$ 110

The aggregate amount of receivables to be collected from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth, at the financial statement date. which are usually due within one year (or one business cycle).

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Carrying amount as of the balance sheet date of obligations due all related parties. For classified balance sheets, represents the current portion of such liabilities (due within one year or within the normal operating cycle if longer).

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Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

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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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Purchases during the period (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

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