(Plants, Properties And Equipment By Major Classification) (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Property, Plant and Equipment [Line Items]
Gross cost	$ 29,280	$ 29,711
Less: Accumulated depreciation	19,622	19,561
Plants, properties and equipment, net	9,658	10,150
Pulp and packaging facilities
Property, Plant and Equipment [Line Items]
Gross cost	28,249	28,661
Other properties and equipment
Property, Plant and Equipment [Line Items]
Gross cost	$ 1,031	$ 1,050