PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS (Plan Assumptions) (Detail)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Pension Plans Defined Benefit [Member]
DefinedBenefitPlanWeightedAverageAssumptionsUsedInCalculatingBenefitObligationAbstract
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate	4.11%	3.88%
DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease	3.36%	3.37%
DefinedBenefitPlanWeightedAverageAssumptionsUsedInCalculatingNetPeriodicBenefitCostAbstract
DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate	3.88%	4.62%
DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets	7.93%	8.01%
DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease	3.37%	3.36%
Other Postretirement Benefit Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan Year That Rate Reaches Ultimate Trend Rate Net Periodic	2019	2015
DefinedBenefitPlanWeightedAverageAssumptionsUsedInCalculatingBenefitObligationAbstract
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate	4.25%	3.75%
DefinedBenefitPlanAssumedHealthCareCostTrendRatesAbstract
DefinedBenefitPlanHealthCareCostTrendRateAssumedForNextFiscalYear	5.70%	5.50%
DefinedBenefitPlanUltimateHealthCareCostTrendRate	5.40%	4.59%
DefinedBenefitPlanWeightedAverageAssumptionsUsedInCalculatingNetPeriodicBenefitCostAbstract
DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate	3.75%	4.47%
Defined Benefit Plan Assumed Health Care Cost Trend Rates Net Periodic [Abstract]
Defined Benefit Plan Health Care Cost Trend Rate Assumed for Next Fiscal Year Net Periodic	5.50%	8.00%
Defined Benefit Plan Ultimate Health Care Cost Trend Rate Net Periodic	4.59%	5.00%