RELATED PARTY TRANSACTIONS Table (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Related Party Transaction [Line Items]
Stockholders' Equity, Transfers From (To) Parent		$ (567)	$ (325)
International Paper | Affiliated Entity
Related Party Transaction [Line Items]
Stockholders' Equity, Transfers From (To) Parent	$ 0	(567)	(325)
International Paper | General financing activities | Affiliated Entity
Related Party Transaction [Line Items]
Stockholders' Equity, Transfers From (To) Parent	0	(661)	(494)
International Paper | Corporate allocations | Affiliated Entity
Related Party Transaction [Line Items]
Stockholders' Equity, Transfers From (To) Parent	0	112	154
International Paper | Stock-based compensation | Affiliated Entity
Related Party Transaction [Line Items]
Stockholders' Equity, Transfers From (To) Parent	0	10	15
International Paper | Final spin-off adjustments | Affiliated Entity
Related Party Transaction [Line Items]
Stockholders' Equity, Transfers From (To) Parent	$ 0	$ (28)	$ 0