Consolidated Statement Of Changes In Equity - USD ($)	Total	Common Stock Issued	Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Common Stock Held In Treasury, At Cost	Total International Paper Shareholders’ Equity	Noncontrolling Interests
Beginning Balance at Dec. 31, 2020	$ 7,868,000,000	$ 449,000,000	$ 6,325,000,000	$ 8,070,000,000	$ (4,342,000,000)	$ (2,648,000,000)	$ 7,854,000,000	$ 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
Issuance of stock for various plans, net	82,000,000		5,000,000			(77,000,000)	82,000,000
Repurchase of stock	(220,000,000)					220,000,000	(220,000,000)
Dividends	(652,000,000)			(652,000,000)			(652,000,000)
Comprehensive income (loss)	648,000,000	0	0	288,000,000	360,000,000	0	648,000,000	0
Ending Balance at Dec. 31, 2023	$ 8,355,000,000	$ 449,000,000	$ 4,730,000,000	$ 9,491,000,000	$ (1,565,000,000)	$ 4,750,000,000	$ 8,355,000,000	$ 0