PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2014
Defined Benefit Plan Disclosure [Line Items]
Increase in fair value of pension assets	$ 53
Increase in projected benefit obligation	19
Net effect increase in the funded status	34
Registered Canadian Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Expected contribution to benefit plans during 2014			53
Non Registered Canadian Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Expected contribution to benefit plans during 2014			3
U.S. Non-Qualified Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Expected contribution to benefit plans during 2014			20
U.S. and Canadian Other Postretirement Plans
Defined Benefit Plan Disclosure [Line Items]
Ratably amortize a total pretax gain throughout 2014					(177)
Recognized gain for plan amendment	(45)	0	(90)	0
Expected contribution to benefit plans during 2014			35
U.S. Qualified Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Expected contribution to benefit plans during 2014			$ 0