Consolidated Statement of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Net income (loss)	$ 951	$ 864	$ 1,822	$ 1,647
Change in cumulative foreign currency translation adjustment	(120)	(70)	14	99
Net gains (losses) arising during the period	0	(4)	0	3
Reclassification adjustment for (gains) losses included in net earnings (loss)	2	(8)	2	(9)
Total Other Comprehensive Income (Loss), Net of Tax	(97)	780	80	1,026
Comprehensive Income (Loss)	854	1,644	1,902	2,673
Other comprehensive (income) loss attributable to noncontrolling interests	0	0	0	2
Comprehensive Income (Loss) Attributable to International Paper Company	854	1,644	1,902	2,673
Less: Net earnings (loss) attributable to noncontrolling interests	0	0	0	(2)
U.S. plans
Amortization of pension and post-retirement prior service costs and net loss:	21	31	64	101
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax	0	826	0	826
Foreign Plan
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax	$ 0	$ 5	$ 0	$ 6