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(Inventories By Major Category) (Details) - USD ($)
$ in Millions
Dec. 31, 2022
Dec. 31, 2021
Disclosure Text Block Supplement [Abstract]    
Raw materials $ 267 $ 245
Finished pulp and packaging products 1,071 1,014
Operating supplies 516 486
Other 88 69
Inventories $ 1,942 $ 1,814