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(Inventories By Major Category) (Details) - USD ($)
$ in Millions
Dec. 31, 2023
Dec. 31, 2022
Disclosure Text Block Supplement [Abstract]    
Raw materials $ 229 $ 267
Finished pulp and packaging products 975 1,071
Operating supplies 622 516
Other 63 88
Inventories $ 1,889 $ 1,942