EQUITY Phantom (Details) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Common stock dividends, per share	$ 0.5000	$ 0.4750	$ 1.5000	$ 1.4250
Total International Paper Shareholders’ Equity
Common stock dividends, per share	0.5000	0.4750	1.5000	1.4250
Noncontrolling Interests
Common stock dividends, per share	$ 0.5000	$ 0.4750	$ 1.5000	$ 1.4250