The cash inflow associated with the sale of equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3179-108585

Name:	us-gaap_ProceedsFromSaleOfEquityMethodInvestments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Subsequent Events (Details) - USD ($) $ in Millions	Feb. 14, 2022	Dec. 31, 2021
Subsequent Event
Subsequent Event [Line Items]
Proceeds from Sale of Equity Method Investments	$ 50
Resolute Forest Products Inc. [Member]
Subsequent Event [Line Items]
Noncontrolling Interest, Ownership Percentage by Parent		50.00%
Resolute Forest Products Inc. [Member] \| Subsequent Event
Subsequent Event [Line Items]
Noncontrolling Interest, Ownership Percentage by Parent	50.00%