Consolidated Statement of Operations - USD ($) shares in Millions, $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Net Sales	[1]	$ 5,616	$ 4,866	$ 10,979	$ 10,218
Costs and Expenses
Cost of products sold		3,913	3,427	7,760	7,173
Selling and administrative expenses		460	332	821	750
Depreciation, amortization and cost of timber harvested		306	312	615	635
Distribution expenses		420	365	826	772
Taxes other than payroll and income taxes		45	41	89	85
Restructuring and other charges, net		174	18	204	26
Net (gains) losses on sales and impairments of businesses		(9)	8	(7)	352
Net (gains) losses on sales of equity method investments		(130)	0	(204)	(33)
Interest expense, net		57	116	149	233
Non-operating pension expense (income)		(52)	(14)	(105)	(20)
Earnings (Loss) Before Income Taxes and Equity Earnings		432	261	831	245
Income tax provision (benefit)		102	67	201	161
Equity earnings (loss), net of taxes		104	72	153	41
Net earnings (loss)		434	266	783	125
Net Income (Loss) Attributable to Noncontrolling Interest		2	0	2	0
Net Earnings (Loss) Attributable to International Paper Company		$ 432	$ 266	$ 781	$ 125
Basic Earnings (Loss) Per Share Attributable to International Paper Company Common Shareholders
Basic earnings (loss) per share attributable to International Paper Company Common Shareholders		$ 1.10	$ 0.67	$ 1.99	$ 0.32
Diluted Earnings (Loss) Per Share Attributable to International Paper Company Common Shareholders
Diluted earnings (loss) per share attributable to International Paper Company Common Shareholders		$ 1.09	$ 0.67	$ 1.96	$ 0.32
Average Shares of Common Stock Outstanding – assuming dilution		396.8	393.1	397.7	394.0

[1] Net sales are attributed to countries based on the location of the seller.