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RELATED PARTY TRANSACTIONS - Narrative (Details) - Affiliated Entity - USD ($)
$ in Millions
3 Months Ended 9 Months Ended 12 Months Ended
Dec. 31, 2021
Sep. 30, 2022
Dec. 31, 2022
Professional Services [Member]      
Related Party Transaction [Line Items]      
Related party receivable $ 3    
International Paper | Offtake Agreement      
Related Party Transaction [Line Items]      
Related party transaction, expenses from related party 133 $ 462  
Accounts payable, related parties     $ 77
Payment period     6 months
International Paper | Fiber Purchase Agreement      
Related Party Transaction [Line Items]      
Related party transaction, expenses from related party 52 153  
International Paper | Transition Services Agreement      
Related Party Transaction [Line Items]      
Related Party Transaction, Expenses from Transactions with Related Party 7   $ 23
International Paper | Inventory Purchases [Member]      
Related Party Transaction [Line Items]      
Due to Related Parties, Current $ 110    
International Paper | Packaging      
Related Party Transaction [Line Items]      
Related party transaction, expenses from related party   $ 12