Commitments and Contingencies - Loss Contingencies (Details) $ in Millions		1 Months Ended	3 Months Ended	6 Months Ended
	Mar. 29, 2018 USD ($) company	Dec. 31, 2021 USD ($)	Jun. 30, 2022 USD ($) company entity	Jun. 30, 2022 USD ($) entity company party defendant	Nov. 30, 2019 USD ($)	Sep. 30, 2017 USD ($)	Aug. 22, 2017 party	Dec. 31, 2013 company	Dec. 31, 2010 defendant affiliateCorporation	Nov. 13, 2007 entity
Loss Contingencies [Line Items]
Insurance recoveries		$ 3	$ 6
Ebina Waste Disposal Percentage; Low Concentration			68.00%	68.00%
Ebina Waste Disposal Percentage; High Concentration			51.00%	51.00%
Fox River
Loss Contingencies [Line Items]
Number of potentially responsible parties | entity			8	8						8
Threshold amount for environmental cleanup costs			$ 75	$ 75
Percentage of funding obligation under cost sharing agreement			50.00%	50.00%
Percentage of obligation under cost sharing agreement			60.00%	60.00%
Receivable under funding agreement		54	$ 54	$ 54
Number of defendants | defendant				2
Number of parties | party				2
Gross loss contingency accrual		4	3	$ 3
Net loss contingency accrual		26	25	25
Total amount received from settlements with insurance carriers			$ 211	$ 211
Kalamazoo River
Loss Contingencies [Line Items]
Number of additional companies receiving general notice letters | company			3	3
Number of additional defendants | defendant									2
Number of total corporation plaintiffs | affiliateCorporation									3
Number of companies tried to the court | company								4
Costs incurred in the pasted related to loss contingency	$ 50
Loss contingency, value of damages sought	105
Loss contingency, value of damages sought	$ 55
NCR share of costs related to loss contingency	40.00%
GP share of costs related to loss contingency	40.00%
Number of companies assigned to share costs of loss contingency | company	2
Loss contingency accrual		99	$ 95	$ 95
Ebina
Loss Contingencies [Line Items]
Loss contingency accrual		16	12	12
Glatfelter | Fox River
Loss Contingencies [Line Items]
Number of parties that appealed | party							1
Fox River LLC | Fox River
Loss Contingencies [Line Items]
Funding remainder		$ 0	$ 0	$ 0
Company One | Kalamazoo River
Loss Contingencies [Line Items]
NCR share of costs related to loss contingency	15.00%
Company Two | Kalamazoo River
Loss Contingencies [Line Items]
NCR share of costs related to loss contingency	5.00%
Fox River
Loss Contingencies [Line Items]
Percentage of portion of costs below threshold			45.00%	45.00%
Percentage of portion of costs exceeding threshold			40.00%	40.00%
Percentage of Company's award responsibility to indemnitors and co-obligators					25.00%
Fox River | General Contractor Arbitration
Loss Contingencies [Line Items]
Loss contingency, range of possible loss					$ 10
Minimum | Fox River | General Contractor Arbitration
Loss Contingencies [Line Items]
Loss contingency, range of possible loss						$ 46
Maximum | Fox River | General Contractor Arbitration
Loss Contingencies [Line Items]
Loss contingency, range of possible loss						$ 53
Kalamazoo River | Minimum
Loss Contingencies [Line Items]
Anticipated contribution from co-obligors and indemnitors			$ 70	$ 70
Kalamazoo River | Maximum
Loss Contingencies [Line Items]
Anticipated contribution from co-obligors and indemnitors			$ 150	$ 150