(Operating Profit By Industry Segment) (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Earnings (loss) from continuing operations before income taxes and equity earnings		$ 382	$ 1,511	$ 999
Interest expense, net		231	325	337
Adjustment for less than wholly owned subsidiaries (b)	[1]	(2)	(5)	(5)
Corporate expenses, net (a)	[2]	27	34	134
Corporate net special items		28	99	352
Business net special items		529	76	18
Non-operating pension (income) expense		54	(192)	(200)
Operating Segments [Member]
Segment Reporting Information [Line Items]
Business Segment Operating Profit		1,249	1,848	1,635
Operating Segments [Member] | Industrial Packaging
Segment Reporting Information [Line Items]
Business Segment Operating Profit		1,266	1,742	1,638
Operating Segments [Member] | Global Cellulose Fibers
Segment Reporting Information [Line Items]
Business Segment Operating Profit		$ (17)	$ 106	$ (3)

[1] Operating profits for industry segments include each segment’s percentage share of the profits of subsidiaries included in that segment that are less than wholly-owned. The pre-tax earnings for these subsidiaries is added here to present consolidated earnings from continuing operations before income taxes and equity earnings.

[2] Includes sales of $44 million in 2021 and operating profit (losses) of $9 million in 2021, from previously divested businesses. There were no sales or operating profit (losses) from previously divested businesses in 2022 and 2023