Proposed consent decree, value of labor performed

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- Definition

Proposed consent decree, value of remediation payments

+ References

No definition available.

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Remediation design period

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- Definition

Responsible party percentage

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- Definition

Total costs accrued as of the balance sheet date for environmental loss contingencies.

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Undiscounted amount of the accrual for environmental loss contingencies.

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- Definition

Increase (decrease) in the accrual for environmental loss contingencies during the reporting period.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of damages awarded to the plaintiff in the legal matter.

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The value (monetary amount) of the award the plaintiff seeks in the legal matter.

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COMMITMENTS AND CONTINGENCIES Environmental Remediation Obligations (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2020	Mar. 31, 2016	Dec. 31, 2015	Dec. 31, 2019
Loss Contingencies [Line Items]
Accrual for environmental loss contingencies	$ 196.0
Accrual for environmental loss contingencies, gross	204.0
Cass Lake, Minnesota
Loss Contingencies [Line Items]
Accrual for environmental loss contingencies	46.0
Kalamazoo River Superfund Site [Member]
Loss Contingencies [Line Items]
Proposed consent decree, value of remediation payments				$ 100.0
Proposed consent decree, value of labor performed				$ 135.7
San Jacinto River Superfund Site [Member]
Loss Contingencies [Line Items]
Loss contingency, damages sought, value	$ 115.0
Remediation design period	29 months
Responsible party percentage	50.00%
Time Critical Removal Action [Member] \| Kalamazoo River Superfund Site [Member]
Loss Contingencies [Line Items]
Loss contingency, damages sought, value		$ 37.0	$ 19.0
Georgia-Pacific Consumer Products LP, Fort James Corporation and Georgia Pacific LLC Cost Recovery Action [Member] \| Kalamazoo River Superfund Site [Member]
Loss Contingencies [Line Items]
Loss contingency, damages sought, value	$ 79.0
Loss contingency, damages awarded, value	$ 50.0
Responsible party percentage	15.00%
Northern Impoundment [Member] \| San Jacinto River Superfund Site [Member]
Loss Contingencies [Line Items]
Accrual for environmental loss contingencies	$ 55.0
Loss contingency, damages sought, value	105.0
Accrual for Environmental Loss Contingencies, Period Increase (Decrease)	41.0
Southern Impoundment [Member] [Member] \| San Jacinto River Superfund Site [Member]
Loss Contingencies [Line Items]
Accrual for environmental loss contingencies	10.0
Loss contingency, damages sought, value	$ 10.0