BUSINESS SEGMENTS - Additional Financial Information (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Segment Reporting, Other Significant Reconciling Item [Line Items]
Depreciation, depletion and amortization	$ 493	$ 458	$ 444
Net pension and postretirement cost (credit)(1)	0	96	76
Charges for restructuring, closures and impairments(2)	44	377	26
Equity in income (loss) of equity affiliates and unconsolidated entities	(2)	11	2
Capital expenditures	391	283	281
Investments in and advances to equity affiliates and unconsolidated entities	188	190	192
Total assets(3)(4)	13,457	14,577	12,592
Operating segments | Timberlands
Segment Reporting, Other Significant Reconciling Item [Line Items]
Depreciation, depletion and amortization	207	166	142
Net pension and postretirement cost (credit)(1)	10	10	8
Charges for restructuring, closures and impairments(2)	1	2	2
Equity in income (loss) of equity affiliates and unconsolidated entities	0	0	0
Capital expenditures	74	73	60
Investments in and advances to equity affiliates and unconsolidated entities	0	0	0
Total assets(3)(4)	7,327	7,578	4,697
Operating segments | Wood Products
Segment Reporting, Other Significant Reconciling Item [Line Items]
Depreciation, depletion and amortization	119	123	133
Net pension and postretirement cost (credit)(1)	24	28	25
Charges for restructuring, closures and impairments(2)	2	13	6
Equity in income (loss) of equity affiliates and unconsolidated entities	0	0	0
Capital expenditures	190	113	56
Investments in and advances to equity affiliates and unconsolidated entities	0	0	0
Total assets(3)(4)	1,430	1,326	1,319
Operating segments | Cellulose Fibers
Segment Reporting, Other Significant Reconciling Item [Line Items]
Depreciation, depletion and amortization	155	156	150
Net pension and postretirement cost (credit)(1)	11	18	14
Charges for restructuring, closures and impairments(2)	0	0	0
Equity in income (loss) of equity affiliates and unconsolidated entities	(1)	3	5
Capital expenditures	123	92	160
Investments in and advances to equity affiliates and unconsolidated entities	188	190	191
Total assets(3)(4)	2,214	2,299	2,386
Unallocated Items
Segment Reporting, Other Significant Reconciling Item [Line Items]
Depreciation, depletion and amortization	12	13	19
Net pension and postretirement cost (credit)(1)	(45)	40	29
Charges for restructuring, closures and impairments(2)	41	362	18
Equity in income (loss) of equity affiliates and unconsolidated entities	(1)	8	(3)
Capital expenditures	4	5	5
Investments in and advances to equity affiliates and unconsolidated entities	0	0	1
Total assets(3)(4)	$ 2,486	$ 3,374	$ 4,190