CHARGES FOR INTEGRATION AND RESTRUCTURING, CLOSURES AND ASSET IMPAIRMENTS Items Included in Our Integration and Restructuring, Closure and Asset Impairment Charges (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Charges related to integration and restructuring
Termination benefits			$ 8
Impairments of long-lived assets			153	$ 23
Total charges for integration and restructuring, closures and impairments	$ 14	$ 16	178	141
Plum Creek
Charges related to integration and restructuring
Termination benefits	0	4	6	52
Acceleration of share-based compensation and pension related benefits related to qualifying terminations	0	0	0	26
Professional services	5	6	10	45
Other integration and restructuring costs	1	4	4	9
Total integration and restructuring charges related to our merger with Plum Creek	6	14	20	132
Other
Charges related to integration and restructuring
Termination benefits	0	1	2	4
Other closures and restructuring costs	2	1	3	3
Total charges for integration and restructuring, closures and impairments	2	2	5	7
Continuing Operations [Member]
Charges related to integration and restructuring
Impairments of long-lived assets	$ 6	$ 0	$ 153	$ 2

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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Costs incurred to effect a business combination which have been expensed during the period. Such costs could include business integration costs, systems integration and conversion costs, and severance and other employee-related costs.

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A fee charged for services from professionals such as doctors, lawyers and accountants. The term is often expanded to include other professions, for example, pharmacists charging to maintain a medicinal profile of a client or customer.

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