XML 103 R40.htm IDEA: XBRL DOCUMENT v3.22.0.1
BACKGROUND AND SUMMARY OF BUSINESS (Details)
$ in Millions
12 Months Ended
Sep. 29, 2021
USD ($)
Dec. 31, 2021
USD ($)
term_loan
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Oct. 01, 2021
Sep. 30, 2021
USD ($)
term_loan
Schedule of Equity Method Investments [Line Items]            
General corporate expenses   $ 120 $ 170 $ 210    
Long-term debt           $ 1,500
Number of term loans | term_loan   2       2
International Paper | Sylvamo Corporation            
Schedule of Equity Method Investments [Line Items]            
Ownership percentage by parent         19.90%  
International Paper            
Schedule of Equity Method Investments [Line Items]            
Spinoff transaction, common stock distributed, percentage         80.10%  
Spinoff transaction, shares of parent exchanged for each share of company         0.0909  
International Paper | Special Payment            
Schedule of Equity Method Investments [Line Items]            
Payment related to letter agreement $ 1,500