Consolidated Statement Of Changes In Equity - USD ($)	Total	Cumulative Effect, Period of Adoption, Adjustment [Member]	Common Stock Issued	Paid-in Capital	Retained Earnings	Retained Earnings Cumulative Effect, Period of Adoption, Adjustment [Member]	Accumulated Other Comprehensive Income (Loss)	Common Stock Held In Treasury, At Cost	Total International Paper Shareholders’ Equity	Total International Paper Shareholders’ Equity Cumulative Effect, Period of Adoption, Adjustment [Member]	Noncontrolling Interests
Beginning Balance at Dec. 31, 2019	$ 7,718,000,000		$ 449,000,000	$ 6,297,000,000	$ 8,408,000,000		$ (4,739,000,000)	$ (2,702,000,000)	$ 7,713,000,000		$ 5,000,000
Issuance of stock for various plans, net	88,000,000			(8,000,000)				(96,000,000)	88,000,000
Repurchase of stock	(42,000,000)							42,000,000	(42,000,000)
Dividends	(818,000,000)				(818,000,000)				(818,000,000)
Transactions of equity method investees	36,000,000			36,000,000					36,000,000		0
Divestiture of noncontrolling interests	9,000,000								0		9,000,000
Comprehensive income (loss)	879,000,000		0	0	482,000,000		397,000,000	0	879,000,000		0
Ending Balance at Dec. 31, 2020	7,868,000,000	$ (2,000,000)	449,000,000	6,325,000,000	8,070,000,000	$ (2,000,000)	(4,342,000,000)	(2,648,000,000)	7,854,000,000	$ (2,000,000)	14,000,000
Sylvamo Corporation spin-off	43,000,000			(1,729,000,000)			1,773,000,000		44,000,000		(1,000,000)
Issuance of stock for various plans, net	143,000,000			54,000,000				(89,000,000)	143,000,000
Repurchase of stock	(839,000,000)							839,000,000	(839,000,000)
Dividends	(793,000,000)				(793,000,000)				(793,000,000)
Transactions of equity method investees	18,000,000			18,000,000					18,000,000		0
Divestiture of noncontrolling interests	(13,000,000)								0		(13,000,000)
Comprehensive income (loss)	2,655,000,000		0	0	1,752,000,000		903,000,000	0	2,655,000,000		0
Ending Balance at Dec. 31, 2021	9,082,000,000		449,000,000	4,668,000,000	9,029,000,000		(1,666,000,000)	(3,398,000,000)	9,082,000,000		0
Issuance of stock for various plans, net	132,000,000			57,000,000				(75,000,000)	132,000,000
Repurchase of stock	(1,284,000,000)							1,284,000,000	(1,284,000,000)
Dividends	(678,000,000)				(678,000,000)				(678,000,000)
Comprehensive income (loss)	1,245,000,000		0	0	1,504,000,000		(259,000,000)	0	1,245,000,000		0
Ending Balance at Dec. 31, 2022	$ 8,497,000,000		$ 449,000,000	$ 4,725,000,000	$ 9,855,000,000		$ (1,925,000,000)	$ (4,607,000,000)	$ 8,497,000,000		$ 0