EQUITY METHOD INVESTMENTS Summarized Financial Information of Equity Method Investees (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020
Schedule of Equity Method Investments [Line Items]
Assets, Current	$ 12,226		$ 12,226		$ 11,236
Current liabilities	8,635		8,635		8,284
Net income (loss)	434	$ 266	783	$ 125
Reportable Subsegments | Ilim Holding
Schedule of Equity Method Investments [Line Items]
Assets, Current	815		815		739
Noncurrent assets	2,961		2,961		2,733
Current liabilities	508		508		674
Noncurrent liabilities	2,650		2,650		2,249
Net sales	733	494	1,264	976
Gross profit	410	210	658	405
Income (loss) from continuing operations	205	130	308	69
Net income (loss)	199	$ 125	299	$ 67
Noncontrolling interests	$ 26		$ 26		$ 17