SUMMARY OF BUSINESS AND BASIS OF PRESENTATION - Additional Information (Details) $ in Millions	3 Months Ended		12 Months Ended
	Dec. 31, 2020 USD ($)	Sep. 30, 2020 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Jul. 31, 2020 T	Jun. 09, 2020 T	Feb. 10, 2020 USD ($) T
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Cost of products sold (exclusive of depreciation and amortization)			$ 1,062	$ 1,334	$ 2,138
Trade accounts receivable	$ 82		106	82
Allowance for doubtful accounts	1		1	1
Allowance for uncollectible accounts on receivables sold without recourse, factoring fees			1	1
Allowance for uncollectible accounts on receivables sold without recourse			62	78
Restricted cash	2		2	2
Affiliated Entity
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Account receivable from related party	4		4	4
Affiliated Entity
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Revenue from related parties			$ 67	$ 7
Market Approach Valuation Technique | Finite-Lived Intangible Assets
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Fair value input, royalty rate			0.25%
Customer Relationships
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Finite-lived intangible assets, useful life			10 years
Trademarks
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Finite-lived intangible assets, useful life			5 years
Minimum | Restricted Stock Units (RSUs)
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Vesting period			1 year
Maximum | Restricted Stock Units (RSUs)
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Vesting period			4 years
Customer Concentration Risk | Two Customers | Revenue Benchmark
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Concentration risk, percentage			24.00%	33.00%	25.00%
Customer Concentration Risk | Two Customers | Accounts Receivable
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Concentration risk, percentage			30.00%	30.00%
Sale of Androscoggin Mill and Stevens Point Mill
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Reduction in production capacity | T								660,000
Percentage of revenues represented					22.00%
Closure of Duluth Mill
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Reduction in production capacity | T						270,000
Cost of products sold (exclusive of depreciation and amortization)		$ 3
Closure of Duluth Mill | Supercalendered/Packaging Papers | Other COVID-19 Related Events
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Number of production capacity | T							270,000
Idle of Wisconsin Rapids Mill
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Cost of products sold (exclusive of depreciation and amortization)	$ 5
Idle of Wisconsin Rapids Mill | Coated and Packaging Papers | Other COVID-19 Related Events
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Number of production capacity | T							540,000
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Verso Androscoggin, LLC
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Consideration for business sold								$ 352
Verso’s unfunded pension								$ 37