PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended			9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended								3 Months Ended
	Sep. 30, 2012	Jun. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012 Pension	Sep. 30, 2011 Pension	Sep. 30, 2012 Pension	Sep. 30, 2011 Pension	Jun. 30, 2012 Liability for deferred pension	Jun. 30, 2012 Liability for deferred income taxes	Jun. 30, 2012 Cumulative other comprehensive loss	Sep. 30, 2012 Registered and Non registered Pension Plans	Sep. 30, 2012 Non-Qualified Pension Plans, Defined Benefit	Sep. 30, 2012 Qualified Pension Plans, Defined Benefit	Dec. 31, 2011 Qualified Pension Plans, Defined Benefit	Sep. 30, 2012 Other Postretirement Benefits	Sep. 30, 2011 Westwood Shipping Lines and hardwoods operations Pension
Defined Benefit Plan Disclosure [Line Items]
Recognized gain for plan amendment	$ 0		$ 0	$ (103)	$ 0
Loss due to curtailment and special termination benefits						0	13	0	14									11
Increase in fair value of pension assets		15
Pension plan adjustment for net funded status										(23)	9	14
Expected contribution to benefit plans during 2012													$ 87	$ 20	$ 0	$ 60	$ 42