CHARGES FOR PRODUCT REMEDIATION (Details) - USD ($)	3 Months Ended			12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Product Liability Contingency [Line Items]
Product Remediation Accrual	$ 98,000,000			$ 98,000,000	$ 0
Charges for product remediation (Note 18)				$ 290,000,000	$ 0	$ 0
Wood Products
Product Liability Contingency [Line Items]
Affected homes				2,400
Product Remediation Accrual, Payments				$ 192,000,000
Product Remediation Accrual	98,000,000			98,000,000
Charges for product remediation (Note 18)	$ 50,000,000	$ 190,000,000	$ 50,000,000	$ 290,000,000