Consolidated Statement of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
NET EARNINGS (LOSS)	$ 288	$ 1,504	$ 1,754
OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX
Change in cumulative foreign currency translation adjustment (less tax of $0, $0 and $0)	441	(28)	69
Net gains/losses on cash flow hedging derivatives (less tax of $0, $1 and $(1))	0	2	(6)
TOTAL OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX	360	(259)	901
Comprehensive income (loss)	648	1,245	2,655
Net (Earnings) Loss Attributable to Noncontrolling Interests	0	0	(2)
Other Comprehensive (Income) Loss Attributable to Noncontrolling Interests	0	0	2
COMPREHENSIVE INCOME (LOSS) ATTRIBUTABLE TO INTERNATIONAL PAPER COMPANY	648	1,245	2,655
U.S. Plans
OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX
Amortization of pension and postretirement prior service costs and net loss:	87	85	124
Pension and postretirement liability adjustments:	(170)	(327)	706
Non-U.S. Plans
OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX
Amortization of pension and postretirement prior service costs and net loss:	(1)	1	1
Pension and postretirement liability adjustments:	$ 3	$ 8	$ 7