Total investments in (A) an entity in which the entity has significant influence, but does not have control, (B) subsidiaries that are not required to be consolidated and are accounted for using the equity and or cost method, and (C) an entity in which the reporting entity shares control of the entity with another party or group. Includes long-term advances receivable from a party that is affiliated with the reporting entity by means of direct or indirect ownership.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.12)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Amount of distribution received from equity method investee for return of investment, classified as investing activities. Excludes distribution for return on investment, classified as operating activities.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 21D
-URI http://asc.fasb.org/extlink&oid=98514028&loc=SL94080555-108585

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The cash inflow from the capital received in cash from a partner in a partnership during the period.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3255-108585

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Contributed Acres of Timberlands to Venture

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Guaranteed Annual Return (minimum)

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The ownership interest (percentage) in the venture.

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RELATED PARTIES Additional Information (Details) $ in Millions		3 Months Ended		6 Months Ended
	Apr. 01, 2016 USD ($) a	Jun. 30, 2017 USD ($)	Jun. 30, 2016 USD ($)	Jun. 30, 2017 USD ($)	Jun. 30, 2016 USD ($)	Dec. 31, 2016 USD ($)
Schedule of Equity Method Investments [Line Items]
Investments in and advances to joint ventures		$ 33		$ 33		$ 56
Distributions received from joint ventures, return of capital				23	$ 27
Proceeds from contribution of timberlands to related party				0	440
Equity earnings from joint ventures (Note 7)		0	$ 7		$ 12
Real Estate Development Ventures
Schedule of Equity Method Investments [Line Items]
Distributions received from joint ventures, return of capital			$ 23
Equity earnings from joint ventures (Note 7)		$ 0		$ 0
Twin Creeks Venture
Schedule of Equity Method Investments [Line Items]
Contributed acres of timberlands to venture \| a	260,000
Agreed-upon value of acres contributed	$ 560
Proceeds from contribution of timberlands to related party	$ 440
Ownership interest				21.00%
Guaranteed annual return				3.00%
Percentage of profit in excess of guaranteed annual return				75.00%