LONGVIEW TIMBER PURCHASE - Additional Information (Details) (USD $)	3 Months Ended		9 Months Ended			3 Months Ended
	Sep. 30, 2013	Jun. 30, 2013	Sep. 30, 2013	Sep. 30, 2012	Jul. 23, 2013 Rate acre	Sep. 30, 2013 Common shares	Jun. 30, 2013 Common shares	Jun. 30, 2013 6.375 percent Mandatory Convertible Preference Shares, Series A Rate	Sep. 30, 2013 6.375 percent Mandatory Convertible Preference Shares, Series A	Dec. 31, 2012 6.375 percent Mandatory Convertible Preference Shares, Series A	Jun. 30, 2013 Minimum 6.375 percent Mandatory Convertible Preference Shares, Series A	Jun. 30, 2013 Maximum 6.375 percent Mandatory Convertible Preference Shares, Series A
Business Acquisition [Line Items]
Acquisition of Longview Timber LLC, effective date of acquisition	Jul. 23, 2013
Acquisition of Longview Timber LLC, equity interests purchased					100.00%
Acquisition of Longview Timber LLC, net of cash acquired	$ 1,580,000,000		$ 1,581,000,000	$ 0
Acquisition of Longview Timber LLC, debt assumed	1,070,000,000		1,070,000,000	0
Acquisition of Longview Timber LLC, aggregate purchase price	2,650,000,000
Acquisition of Longview Timber LLC, timberlands acquired, acres					645,000
New shares issued						4,000,000	29,000,000	13,800,000
New shares issued, date						Jul. 08, 2013	Jun. 24, 2013	Jun. 24, 2013
Valuation date closing stock price						$ 27.75	$ 27.75
Net proceeds from issuance of common shares(2) (Note 14)			897,000,000	0		116,000,000	781,000,000
Preference shares, par value								$ 1.00	$ 1.00	$ 1.00
Preference shares, liquidation preference								$ 50.00
Net proceeds from issuance of preference shares(2) (Note 14)			669,000,000	0				669,000,000
Preference shares, dividend rate								6.375%
Preference shares, shares that will be issued upon conversion											1.5015	1.8018
Fees related to bridge loan		$ 11,000,000