Revenue Recognition Disaggregaton of Revenue Table (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Disaggregation of Revenue [Line Items]
Net sales	[1]	$ 19,363	$ 17,565	$ 18,317
Consolidation, Eliminations
Disaggregation of Revenue [Line Items]
Net sales	[1]	305	272	377
Corporate and other
Disaggregation of Revenue [Line Items]
Net sales		(126)	(117)	(118)
North American Industrial Packaging
Disaggregation of Revenue [Line Items]
Net sales		14,944	13,552	13,808
EMEA Industrial Packaging
Disaggregation of Revenue [Line Items]
Net sales		1,508	1,317	1,335
Brazilian Industrial Packaging
Disaggregation of Revenue [Line Items]
Net sales			148	235
Global Cellulose Fibers
Disaggregation of Revenue [Line Items]
Net sales		2,732	2,393	2,680
Industrial Packaging | Operating Segments [Member]
Disaggregation of Revenue [Line Items]
Net sales		16,326	14,900	15,260
Industrial Packaging | Reportable Geographical Components [Member]
Disaggregation of Revenue [Line Items]
Net sales	[1]	16,326	14,900	15,260
Industrial Packaging | Corporate and other
Disaggregation of Revenue [Line Items]
Net sales		(126)	(117)	(118)
Industrial Packaging | North American Industrial Packaging
Disaggregation of Revenue [Line Items]
Net sales		14,944	13,552	13,808
Industrial Packaging | EMEA Industrial Packaging
Disaggregation of Revenue [Line Items]
Net sales		1,508	1,317	1,335
Industrial Packaging | Brazilian Industrial Packaging
Disaggregation of Revenue [Line Items]
Net sales			148	235
Global Cellulose Fibers | Operating Segments [Member]
Disaggregation of Revenue [Line Items]
Net sales		2,732	2,393	2,680
Global Cellulose Fibers | Reportable Geographical Components [Member]
Disaggregation of Revenue [Line Items]
Net sales	[1]	2,732	2,393	2,680
Global Cellulose Fibers | Global Cellulose Fibers
Disaggregation of Revenue [Line Items]
Net sales		2,732	2,393	2,680
United States
Disaggregation of Revenue [Line Items]
Net sales	[1]	16,769	15,178	15,616
United States | Consolidation, Eliminations
Disaggregation of Revenue [Line Items]
Net sales	[1]	253	196	221
United States | Industrial Packaging
Disaggregation of Revenue [Line Items]
Net sales	[1]	14,006	12,770	12,968
United States | Global Cellulose Fibers
Disaggregation of Revenue [Line Items]
Net sales	[1]	2,510	2,212	2,427
EMEA
Disaggregation of Revenue [Line Items]
Net sales	[1]	1,611	1,395	1,427
EMEA | Consolidation, Eliminations
Disaggregation of Revenue [Line Items]
Net sales	[1]	(4)	(4)	(4)
EMEA | Industrial Packaging
Disaggregation of Revenue [Line Items]
Net sales	[1]	1,506	1,309	1,327
EMEA | Global Cellulose Fibers
Disaggregation of Revenue [Line Items]
Net sales	[1]	109	90	104
Pacific Rim and Asia
Disaggregation of Revenue [Line Items]
Net sales	[1]	207	203	387
Pacific Rim and Asia | Consolidation, Eliminations
Disaggregation of Revenue [Line Items]
Net sales	[1]	35	55	173
Pacific Rim and Asia | Industrial Packaging
Disaggregation of Revenue [Line Items]
Net sales	[1]	59	57	65
Pacific Rim and Asia | Global Cellulose Fibers
Disaggregation of Revenue [Line Items]
Net sales	[1]	113	91	149
Americas, other than U.S.
Disaggregation of Revenue [Line Items]
Net sales	[1]	776	789	887
Americas, other than U.S. | Consolidation, Eliminations
Disaggregation of Revenue [Line Items]
Net sales	[1]	21	25	(13)
Americas, other than U.S. | Industrial Packaging
Disaggregation of Revenue [Line Items]
Net sales	[1]	755	764	900
Americas, other than U.S. | Global Cellulose Fibers
Disaggregation of Revenue [Line Items]
Net sales	[1]	$ 0	$ 0	$ 0

[1] Net sales are attributed to countries based on the location of the reportable segment making the sale.