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(Inventories By Major Category) (Details) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Disclosure Text Block Supplement [Abstract]    
Raw materials $ 188 $ 229
Finished pulp and packaging products 934 975
Operating supplies 623 622
Other 39 63
Inventories $ 1,784 $ 1,889